2233 lines
92 KiB
C
2233 lines
92 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* SVGA renderers.
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*
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* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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*
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* Copyright 2008-2019 Sarah Walker.
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* Copyright 2016-2019 Miran Grca.
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*/
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <wchar.h>
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#include <86box/86box.h>
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#include <86box/device.h>
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#include <86box/mem.h>
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#include <86box/timer.h>
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#include <86box/video.h>
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#include <86box/vid_svga.h>
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#include <86box/vid_svga_render.h>
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#include <86box/vid_svga_render_remap.h>
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uint32_t
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svga_lookup_lut_ram(svga_t* svga, uint32_t val)
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{
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if (!svga->lut_map)
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return val;
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uint8_t r = getcolr(svga->pallook[getcolr(val)]);
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uint8_t g = getcolg(svga->pallook[getcolg(val)]);
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uint8_t b = getcolb(svga->pallook[getcolb(val)]);
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return makecol32(r, g, b) | (val & 0xFF000000);
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}
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#define lookup_lut(val) svga_lookup_lut_ram(svga, val)
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void
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svga_render_null(svga_t *svga)
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{
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if ((svga->displine + svga->y_add) < 0)
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return;
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if (svga->firstline_draw == 2000)
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svga->firstline_draw = svga->displine;
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svga->lastline_draw = svga->displine;
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}
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void
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svga_render_blank(svga_t *svga)
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{
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if ((svga->displine + svga->y_add) < 0 || (svga->displine + svga->y_add) >= 2048)
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return;
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if (svga->firstline_draw == 2000)
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svga->firstline_draw = svga->displine;
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svga->lastline_draw = svga->displine;
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uint32_t char_width = 0;
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switch (svga->seqregs[1] & 9) {
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case 0:
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char_width = 9;
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break;
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case 1:
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char_width = 8;
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break;
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case 8:
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char_width = 18;
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break;
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case 9:
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char_width = 16;
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break;
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default:
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break;
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}
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uint32_t *line_ptr = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
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int32_t line_width = (uint32_t) (svga->hdisp + svga->scrollcache) * char_width * sizeof(uint32_t);
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if (svga->x_add < 0) {
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line_ptr = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][0];
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line_width -= svga->x_add;
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}
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if (((svga->hdisp + svga->scrollcache) > 0) && (line_width >= 0))
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memset(line_ptr, 0, line_width);
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}
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void
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svga_render_overscan_left(svga_t *svga)
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{
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if ((svga->displine + svga->y_add) < 0)
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return;
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if (svga->scrblank || (svga->hdisp <= 0))
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return;
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uint32_t *line_ptr = svga->monitor->target_buffer->line[svga->displine + svga->y_add];
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if (svga->x_add >= 0) for (int i = 0; i < svga->x_add; i++)
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*line_ptr++ = svga->overscan_color;
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}
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void
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svga_render_overscan_right(svga_t *svga)
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{
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int right;
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if ((svga->displine + svga->y_add) < 0)
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return;
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if (svga->scrblank || (svga->hdisp <= 0))
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return;
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uint32_t *line_ptr = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add + svga->hdisp];
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right = overscan_x - svga->left_overscan;
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for (int i = 0; i < right; i++)
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*line_ptr++ = svga->overscan_color;
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}
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void
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svga_render_text_40(svga_t *svga)
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{
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uint32_t *p;
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int xx;
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int drawcursor;
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int xinc;
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uint8_t chr;
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uint8_t attr;
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uint8_t dat;
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uint32_t charaddr;
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int fg;
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int bg;
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uint32_t addr = 0;
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if (svga->render_override) {
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svga->render_override(svga->priv_parent);
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return;
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}
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if ((svga->displine + svga->y_add) < 0)
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return;
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if (svga->firstline_draw == 2000)
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svga->firstline_draw = svga->displine;
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svga->lastline_draw = svga->displine;
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if (svga->fullchange) {
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p = &svga->monitor->target_buffer->line[(svga->displine + svga->y_add) & 2047][(svga->x_add) & 2047];
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xinc = (svga->seqregs[1] & 1) ? 16 : 18;
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for (int x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
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if (!svga->force_old_addr)
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addr = svga->remap_func(svga, svga->memaddr) & svga->vram_display_mask;
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drawcursor = ((svga->memaddr == svga->cursoraddr) && svga->cursorvisible && svga->cursoron);
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if (svga->force_old_addr) {
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chr = svga->vram[(svga->memaddr << 1) & svga->vram_display_mask];
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attr = svga->vram[((svga->memaddr << 1) + 1) & svga->vram_display_mask];
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} else {
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chr = svga->vram[addr];
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attr = svga->vram[addr + 1];
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}
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if (attr & 8)
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charaddr = svga->charsetb + (chr * 128);
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else
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charaddr = svga->charseta + (chr * 128);
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15] & svga->dac_mask];
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fg = svga->pallook[svga->egapal[attr >> 4] & svga->dac_mask];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15] & svga->dac_mask];
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bg = svga->pallook[svga->egapal[attr >> 4] & svga->dac_mask];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(attr >> 4) & 7] & svga->dac_mask];
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if (svga->blink & 16)
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fg = bg;
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}
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}
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dat = svga->vram[charaddr + (svga->scanline << 2)];
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if (svga->seqregs[1] & 1) {
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for (xx = 0; xx < 16; xx += 2)
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p[xx] = p[xx + 1] = (dat & (0x80 >> (xx >> 1))) ? fg : bg;
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} else {
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for (xx = 0; xx < 16; xx += 2)
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p[xx] = p[xx + 1] = (dat & (0x80 >> (xx >> 1))) ? fg : bg;
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if ((chr & ~0x1f) != 0xc0 || !(svga->attrregs[0x10] & 4))
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p[16] = p[17] = bg;
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else
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p[16] = p[17] = (dat & 1) ? fg : bg;
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}
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svga->memaddr += 4;
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p += xinc;
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}
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svga->memaddr &= svga->vram_display_mask;
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}
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}
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void
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svga_render_text_80(svga_t *svga)
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{
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uint32_t *p;
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int xx;
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int drawcursor;
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int xinc;
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uint8_t chr;
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uint8_t attr;
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uint8_t dat;
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uint32_t charaddr;
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int fg;
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int bg;
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uint32_t addr = 0;
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if (svga->render_override) {
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svga->render_override(svga->priv_parent);
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return;
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}
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if ((svga->displine + svga->y_add) < 0)
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return;
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if (svga->firstline_draw == 2000)
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svga->firstline_draw = svga->displine;
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svga->lastline_draw = svga->displine;
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if (svga->fullchange) {
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p = &svga->monitor->target_buffer->line[(svga->displine + svga->y_add) & 2047][(svga->x_add) & 2047];
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xinc = (svga->seqregs[1] & 1) ? 8 : 9;
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static uint32_t col = 0x00000000;
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for (int x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
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if (!svga->force_old_addr)
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addr = svga->remap_func(svga, svga->memaddr) & svga->vram_display_mask;
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drawcursor = ((svga->memaddr == svga->cursoraddr) && svga->cursorvisible && svga->cursoron);
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if (svga->force_old_addr) {
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chr = svga->vram[(svga->memaddr << 1) & svga->vram_display_mask];
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attr = svga->vram[((svga->memaddr << 1) + 1) & svga->vram_display_mask];
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} else {
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chr = svga->vram[addr];
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attr = svga->vram[addr + 1];
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}
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if (attr & 8)
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charaddr = svga->charsetb + (chr * 128);
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else
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charaddr = svga->charseta + (chr * 128);
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if (drawcursor) {
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bg = attr & 15;
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fg = attr >> 4;
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} else {
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fg = attr & 15;
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bg = attr >> 4;
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = (attr >> 4) & 7;
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if (svga->blink & 16)
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fg = bg;
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}
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}
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dat = svga->vram[charaddr + (svga->scanline << 2)];
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if (svga->attrregs[0x10] & 0x40) {
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if (svga->seqregs[1] & 1) {
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for (xx = 0; xx < 8; xx++) {
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uint32_t col16 = (dat & (0x80 >> xx)) ? fg : bg;
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if ((x + xx - svga->scrollcache) & 1) {
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col |= col16;
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if ((x + xx - 1) >= 0)
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p[xx - 1] = svga->pallook[col & svga->dac_mask];
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if ((x + xx) >= 0)
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p[xx] = svga->pallook[col & svga->dac_mask];
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} else
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col = col16 << 4;
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}
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} else {
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for (xx = 0; xx < 9; xx++) {
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uint32_t col16;
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if (xx < 8)
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col16 = (dat & (0x80 >> xx)) ? fg : bg;
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else if ((chr & ~0x1F) != 0xC0 || !(svga->attrregs[0x10] & 4))
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col16 = bg;
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else
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col16 = (dat & 1) ? fg : bg;
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if ((x + xx - svga->scrollcache) & 1) {
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col |= col16;
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if ((x + xx - 1) >= 0)
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p[xx - 1] = svga->pallook[col & svga->dac_mask];
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if ((x + xx) >= 0)
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p[xx] = svga->pallook[col & svga->dac_mask];
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} else
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col = col16 << 4;
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}
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}
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} else {
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if (svga->seqregs[1] & 1) {
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for (xx = 0; xx < 8; xx++) {
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col = (col << 4) | ((dat & (0x80 >> xx)) ? fg : bg);
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p[xx] = svga->pallook[svga->egapal[col & 0x0f] & svga->dac_mask];
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}
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} else {
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for (xx = 0; xx < 8; xx++) {
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col = (col << 4) | ((dat & (0x80 >> xx)) ? fg : bg);
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p[xx] = svga->pallook[svga->egapal[col & 0x0f] & svga->dac_mask];
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}
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if ((chr & ~0x1F) != 0xC0 || !(svga->attrregs[0x10] & 4))
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col = (col << 4) | bg;
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else
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col = (col << 4) | ((dat & 1) ? fg : bg);
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p[8] = svga->pallook[svga->egapal[col & 0x0f] & svga->dac_mask];
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}
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}
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svga->memaddr += 4;
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p += xinc;
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}
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svga->memaddr &= svga->vram_display_mask;
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}
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}
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/*Not available on most generic cards.*/
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void
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svga_render_text_80_ksc5601(svga_t *svga)
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{
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uint32_t *p;
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int xx;
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int drawcursor;
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int xinc;
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uint8_t chr;
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uint8_t attr;
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uint8_t dat;
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uint8_t nextchr;
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uint32_t charaddr;
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int fg;
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int bg;
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if ((svga->displine + svga->y_add) < 0)
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return;
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if (svga->firstline_draw == 2000)
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svga->firstline_draw = svga->displine;
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svga->lastline_draw = svga->displine;
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if (svga->fullchange) {
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p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
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xinc = (svga->seqregs[1] & 1) ? 8 : 9;
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for (int x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
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uint32_t addr = svga->remap_func(svga, svga->memaddr) & svga->vram_display_mask;
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drawcursor = ((svga->memaddr == svga->cursoraddr) && svga->cursorvisible && svga->cursoron);
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chr = svga->vram[addr];
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nextchr = svga->vram[addr + 8];
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attr = svga->vram[addr + 1];
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15] & svga->dac_mask];
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fg = svga->pallook[svga->egapal[attr >> 4] & svga->dac_mask];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15] & svga->dac_mask];
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bg = svga->pallook[svga->egapal[attr >> 4] & svga->dac_mask];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(attr >> 4) & 7] & svga->dac_mask];
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if (svga->blink & 16)
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fg = bg;
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}
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}
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if ((x + xinc) < svga->hdisp && (chr & (nextchr | svga->ksc5601_sbyte_mask) & 0x80)) {
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if ((chr == svga->ksc5601_udc_area_msb[0] || chr == svga->ksc5601_udc_area_msb[1]) && (nextchr > 0xa0 && nextchr < 0xff))
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dat = fontdatksc5601_user[(chr == svga->ksc5601_udc_area_msb[1] ? 96 : 0) + (nextchr & 0x7F) - 0x20].chr[svga->scanline];
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else if (nextchr & 0x80) {
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if (svga->ksc5601_swap_mode == 1 && (nextchr > 0xa0 && nextchr < 0xff)) {
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if (chr >= 0x80 && chr < 0x99)
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chr += 0x30;
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else if (chr >= 0xB0 && chr < 0xC9)
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chr -= 0x30;
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}
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dat = fontdatksc5601[((chr & 0x7F) << 7) | (nextchr & 0x7F)].chr[svga->scanline];
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} else
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dat = 0xff;
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} else {
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if (attr & 8)
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charaddr = svga->charsetb + (chr * 128);
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else
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charaddr = svga->charseta + (chr * 128);
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if ((svga->ksc5601_english_font_type >> 8) == 1)
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dat = fontdatksc5601[((svga->ksc5601_english_font_type & 0x7F) << 7) | (chr >> 1)].chr[((chr & 1) << 4) | svga->scanline];
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else
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dat = svga->vram[charaddr + (svga->scanline << 2)];
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}
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if (svga->seqregs[1] & 1) {
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for (xx = 0; xx < 8; xx++)
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p[xx] = (dat & (0x80 >> xx)) ? fg : bg;
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} else {
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for (xx = 0; xx < 8; xx++)
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p[xx] = (dat & (0x80 >> xx)) ? fg : bg;
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if (((chr & ~0x1f) != 0xc0) || !(svga->attrregs[0x10] & 4))
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p[8] = bg;
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else
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p[8] = (dat & 1) ? fg : bg;
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}
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svga->memaddr += 4;
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p += xinc;
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if ((x + xinc) < svga->hdisp && (chr & (nextchr | svga->ksc5601_sbyte_mask) & 0x80)) {
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attr = svga->vram[((svga->memaddr << 1) + 1) & svga->vram_display_mask];
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15] & svga->dac_mask];
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fg = svga->pallook[svga->egapal[attr >> 4] & svga->dac_mask];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15] & svga->dac_mask];
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bg = svga->pallook[svga->egapal[attr >> 4] & svga->dac_mask];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(attr >> 4) & 7] & svga->dac_mask];
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if (svga->blink & 16)
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fg = bg;
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}
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}
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if ((chr == svga->ksc5601_udc_area_msb[0] || chr == svga->ksc5601_udc_area_msb[1]) && (nextchr > 0xa0 && nextchr < 0xff))
|
|
dat = fontdatksc5601_user[(chr == svga->ksc5601_udc_area_msb[1] ? 96 : 0) + (nextchr & 0x7F) - 0x20].chr[svga->scanline + 16];
|
|
else if (nextchr & 0x80)
|
|
dat = fontdatksc5601[((chr & 0x7f) << 7) | (nextchr & 0x7F)].chr[svga->scanline + 16];
|
|
else
|
|
dat = 0xff;
|
|
|
|
if (svga->seqregs[1] & 1) {
|
|
for (xx = 0; xx < 8; xx++)
|
|
p[xx] = (dat & (0x80 >> xx)) ? fg : bg;
|
|
} else {
|
|
for (xx = 0; xx < 8; xx++)
|
|
p[xx] = (dat & (0x80 >> xx)) ? fg : bg;
|
|
if (((chr & ~0x1f) != 0xc0) || !(svga->attrregs[0x10] & 4))
|
|
p[8] = bg;
|
|
else
|
|
p[8] = (dat & 1) ? fg : bg;
|
|
}
|
|
|
|
svga->memaddr += 4;
|
|
p += xinc;
|
|
x += xinc;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_2bpp_s3_lowres(svga_t *svga)
|
|
{
|
|
int changed_offset;
|
|
int x;
|
|
uint8_t dat[2];
|
|
uint32_t addr;
|
|
uint32_t *p;
|
|
uint32_t changed_addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
changed_offset = ((svga->memaddr << 1) + (svga->scanline & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
|
|
|
|
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 16) {
|
|
addr = svga->memaddr;
|
|
|
|
if (!(svga->crtc[0x17] & 0x40)) {
|
|
addr = (addr << 1) & svga->vram_mask;
|
|
addr &= ~7;
|
|
|
|
if ((svga->crtc[0x17] & 0x20) && (svga->memaddr & 0x20000))
|
|
addr |= 4;
|
|
|
|
if (!(svga->crtc[0x17] & 0x20) && (svga->memaddr & 0x8000))
|
|
addr |= 4;
|
|
}
|
|
|
|
if (!(svga->crtc[0x17] & 0x01))
|
|
addr = (addr & ~0x8000) | ((svga->scanline & 1) ? 0x8000 : 0);
|
|
|
|
if (!(svga->crtc[0x17] & 0x02))
|
|
addr = (addr & ~0x10000) | ((svga->scanline & 2) ? 0x10000 : 0);
|
|
|
|
dat[0] = svga->vram[addr];
|
|
dat[1] = svga->vram[addr | 0x1];
|
|
if (svga->seqregs[1] & 4)
|
|
svga->memaddr += 2;
|
|
else
|
|
svga->memaddr += 4;
|
|
svga->memaddr &= svga->vram_mask;
|
|
p[0] = p[1] = svga->pallook[svga->egapal[(dat[0] >> 6) & 3] & svga->dac_mask];
|
|
p[2] = p[3] = svga->pallook[svga->egapal[(dat[0] >> 4) & 3] & svga->dac_mask];
|
|
p[4] = p[5] = svga->pallook[svga->egapal[(dat[0] >> 2) & 3] & svga->dac_mask];
|
|
p[6] = p[7] = svga->pallook[svga->egapal[dat[0] & 3] & svga->dac_mask];
|
|
p[8] = p[9] = svga->pallook[svga->egapal[(dat[1] >> 6) & 3] & svga->dac_mask];
|
|
p[10] = p[11] = svga->pallook[svga->egapal[(dat[1] >> 4) & 3] & svga->dac_mask];
|
|
p[12] = p[13] = svga->pallook[svga->egapal[(dat[1] >> 2) & 3] & svga->dac_mask];
|
|
p[14] = p[15] = svga->pallook[svga->egapal[dat[1] & 3] & svga->dac_mask];
|
|
p += 16;
|
|
}
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 16) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
dat[0] = svga->vram[addr];
|
|
dat[1] = svga->vram[addr | 0x1];
|
|
if (svga->seqregs[1] & 4)
|
|
svga->memaddr += 2;
|
|
else
|
|
svga->memaddr += 4;
|
|
|
|
svga->memaddr &= svga->vram_mask;
|
|
|
|
p[0] = p[1] = svga->pallook[svga->egapal[(dat[0] >> 6) & 3] & svga->dac_mask];
|
|
p[2] = p[3] = svga->pallook[svga->egapal[(dat[0] >> 4) & 3] & svga->dac_mask];
|
|
p[4] = p[5] = svga->pallook[svga->egapal[(dat[0] >> 2) & 3] & svga->dac_mask];
|
|
p[6] = p[7] = svga->pallook[svga->egapal[dat[0] & 3] & svga->dac_mask];
|
|
p[8] = p[9] = svga->pallook[svga->egapal[(dat[1] >> 6) & 3] & svga->dac_mask];
|
|
p[10] = p[11] = svga->pallook[svga->egapal[(dat[1] >> 4) & 3] & svga->dac_mask];
|
|
p[12] = p[13] = svga->pallook[svga->egapal[(dat[1] >> 2) & 3] & svga->dac_mask];
|
|
p[14] = p[15] = svga->pallook[svga->egapal[dat[1] & 3] & svga->dac_mask];
|
|
|
|
p += 16;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_2bpp_s3_highres(svga_t *svga)
|
|
{
|
|
int changed_offset;
|
|
int x;
|
|
uint8_t dat[2];
|
|
uint32_t addr;
|
|
uint32_t *p;
|
|
uint32_t changed_addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
changed_offset = ((svga->memaddr << 1) + (svga->scanline & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
|
|
|
|
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
addr = svga->memaddr;
|
|
|
|
if (!(svga->crtc[0x17] & 0x40)) {
|
|
addr = (addr << 1) & svga->vram_mask;
|
|
addr &= ~7;
|
|
|
|
if ((svga->crtc[0x17] & 0x20) && (svga->memaddr & 0x20000))
|
|
addr |= 4;
|
|
|
|
if (!(svga->crtc[0x17] & 0x20) && (svga->memaddr & 0x8000))
|
|
addr |= 4;
|
|
}
|
|
|
|
if (!(svga->crtc[0x17] & 0x01))
|
|
addr = (addr & ~0x8000) | ((svga->scanline & 1) ? 0x8000 : 0);
|
|
|
|
if (!(svga->crtc[0x17] & 0x02))
|
|
addr = (addr & ~0x10000) | ((svga->scanline & 2) ? 0x10000 : 0);
|
|
|
|
dat[0] = svga->vram[addr];
|
|
dat[1] = svga->vram[addr | 0x1];
|
|
if (svga->seqregs[1] & 4)
|
|
svga->memaddr += 2;
|
|
else
|
|
svga->memaddr += 4;
|
|
svga->memaddr &= svga->vram_mask;
|
|
p[0] = svga->pallook[svga->egapal[(dat[0] >> 6) & 3] & svga->dac_mask];
|
|
p[1] = svga->pallook[svga->egapal[(dat[0] >> 4) & 3] & svga->dac_mask];
|
|
p[2] = svga->pallook[svga->egapal[(dat[0] >> 2) & 3] & svga->dac_mask];
|
|
p[3] = svga->pallook[svga->egapal[dat[0] & 3] & svga->dac_mask];
|
|
p[4] = svga->pallook[svga->egapal[(dat[1] >> 6) & 3] & svga->dac_mask];
|
|
p[5] = svga->pallook[svga->egapal[(dat[1] >> 4) & 3] & svga->dac_mask];
|
|
p[6] = svga->pallook[svga->egapal[(dat[1] >> 2) & 3] & svga->dac_mask];
|
|
p[7] = svga->pallook[svga->egapal[dat[1] & 3] & svga->dac_mask];
|
|
p += 8;
|
|
}
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
dat[0] = svga->vram[addr];
|
|
dat[1] = svga->vram[addr | 0x1];
|
|
if (svga->seqregs[1] & 4)
|
|
svga->memaddr += 2;
|
|
else
|
|
svga->memaddr += 4;
|
|
|
|
svga->memaddr &= svga->vram_mask;
|
|
|
|
p[0] = svga->pallook[svga->egapal[(dat[0] >> 6) & 3] & svga->dac_mask];
|
|
p[1] = svga->pallook[svga->egapal[(dat[0] >> 4) & 3] & svga->dac_mask];
|
|
p[2] = svga->pallook[svga->egapal[(dat[0] >> 2) & 3] & svga->dac_mask];
|
|
p[3] = svga->pallook[svga->egapal[dat[0] & 3] & svga->dac_mask];
|
|
p[4] = svga->pallook[svga->egapal[(dat[1] >> 6) & 3] & svga->dac_mask];
|
|
p[5] = svga->pallook[svga->egapal[(dat[1] >> 4) & 3] & svga->dac_mask];
|
|
p[6] = svga->pallook[svga->egapal[(dat[1] >> 2) & 3] & svga->dac_mask];
|
|
p[7] = svga->pallook[svga->egapal[dat[1] & 3] & svga->dac_mask];
|
|
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_2bpp_headland_highres(svga_t *svga)
|
|
{
|
|
int oddeven;
|
|
uint32_t addr;
|
|
uint32_t *p;
|
|
uint8_t edat[4];
|
|
uint8_t dat;
|
|
uint32_t changed_addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (int x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
oddeven = 0;
|
|
|
|
if (svga->seqregs[1] & 4) {
|
|
oddeven = (addr & 4) ? 1 : 0;
|
|
edat[0] = svga->vram[addr | oddeven];
|
|
edat[2] = svga->vram[addr | oddeven | 0x2];
|
|
edat[1] = edat[3] = 0;
|
|
} else {
|
|
*(uint32_t *) (&edat[0]) = *(uint32_t *) (&svga->vram[addr]);
|
|
}
|
|
svga->memaddr += 4;
|
|
svga->memaddr &= svga->vram_mask;
|
|
|
|
dat = edatlookup[edat[0] >> 6][edat[1] >> 6] | (edatlookup[edat[2] >> 6][edat[3] >> 6] << 2);
|
|
p[0] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask];
|
|
p[1] = svga->pallook[svga->egapal[dat & svga->plane_mask] & svga->dac_mask];
|
|
dat = edatlookup[(edat[0] >> 4) & 3][(edat[1] >> 4) & 3] | (edatlookup[(edat[2] >> 4) & 3][(edat[3] >> 4) & 3] << 2);
|
|
p[2] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask];
|
|
p[3] = svga->pallook[svga->egapal[dat & svga->plane_mask] & svga->dac_mask];
|
|
dat = edatlookup[(edat[0] >> 2) & 3][(edat[1] >> 2) & 3] | (edatlookup[(edat[2] >> 2) & 3][(edat[3] >> 2) & 3] << 2);
|
|
p[4] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask];
|
|
p[5] = svga->pallook[svga->egapal[dat & svga->plane_mask] & svga->dac_mask];
|
|
dat = edatlookup[edat[0] & 3][edat[1] & 3] | (edatlookup[edat[2] & 3][edat[3] & 3] << 2);
|
|
p[6] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask];
|
|
p[7] = svga->pallook[svga->egapal[dat & svga->plane_mask] & svga->dac_mask];
|
|
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
svga_render_indexed_gfx(svga_t *svga, bool highres, bool combine8bits)
|
|
{
|
|
int x;
|
|
uint32_t addr;
|
|
uint32_t *p;
|
|
uint32_t changed_offset;
|
|
|
|
const bool blinked = !!(svga->blink & 0x10);
|
|
const bool attrblink = (!svga->disable_blink) && ((svga->attrregs[0x10] & 0x08) != 0);
|
|
|
|
/*
|
|
The following is likely how it works on an IBM VGA - that is, it works with its BIOS.
|
|
But on some cards, certain modes are broken.
|
|
- S3 Trio: mode 13h (320x200x8), incbypow2 given as 2 treated as 0
|
|
- ET4000/W32i: mode 2Eh (640x480x8), incevery given as 2 treated as 1
|
|
*/
|
|
const bool forcepacked = combine8bits && (svga->force_old_addr || svga->packed_chain4);
|
|
|
|
/*
|
|
SVGA cards with a high-resolution 8bpp mode may actually bypass the VGA shifter logic.
|
|
- HT-216 (+ other Video7 chipsets?) has 0x3C4.0xC8 bit 4 which, when set to 1, loads
|
|
bytes directly, bypassing the shifters.
|
|
*/
|
|
const bool highres8bpp = (combine8bits && highres) || svga->force_shifter_bypass;
|
|
|
|
const bool dwordload = ((svga->seqregs[0x01] & 0x10) != 0);
|
|
const bool wordload = ((svga->seqregs[0x01] & 0x04) != 0) && !dwordload;
|
|
const bool wordincr = ((svga->crtc[0x17] & 0x08) != 0);
|
|
const bool dwordincr = ((svga->crtc[0x14] & 0x20) != 0) && !wordincr;
|
|
const bool dwordshift = ((svga->crtc[0x14] & 0x40) != 0);
|
|
const bool wordshift = ((svga->crtc[0x17] & 0x40) == 0) && !dwordshift;
|
|
const uint32_t incbypow2 = forcepacked ? 0 : (dwordshift ? 2 : wordshift ? 1 : 0);
|
|
const uint32_t incevery = forcepacked ? 1 : (dwordincr ? 4 : wordincr ? 2 : 1);
|
|
const uint32_t loadevery = forcepacked ? 1 : (dwordload ? 4 : wordload ? 2 : 1);
|
|
|
|
const bool shift4bit = ((svga->gdcreg[0x05] & 0x40) == 0x40) || highres8bpp;
|
|
const bool shift2bit = (((svga->gdcreg[0x05] & 0x60) == 0x20) && !shift4bit);
|
|
|
|
const int dwshift = highres ? 0 : 1;
|
|
const int dotwidth = 1 << dwshift;
|
|
const int charwidth = dotwidth * ((combine8bits && !svga->packed_4bpp) ? 4 : 8);
|
|
const uint32_t planemask = 0x11111111 * (uint32_t) (svga->plane_mask);
|
|
const uint32_t blinkmask = (attrblink ? 0x88888888 : 0x0);
|
|
const uint32_t blinkval = (attrblink && blinked ? 0x88888888 : 0x0);
|
|
|
|
/*
|
|
This is actually a 8x 3-bit lookup table,
|
|
preshifted by 2 bits to allow shifting by multiples of 4 bits.
|
|
|
|
Anyway, when we perform a planar-to-chunky conversion,
|
|
we keep the pixel values in a scrambled order.
|
|
This lookup table unscrambles them.
|
|
|
|
WARNING: Octal values are used here!
|
|
*/
|
|
const uint32_t shift_values = (shift4bit
|
|
? ((067452301) << 2)
|
|
: shift2bit
|
|
? ((026370415) << 2)
|
|
: ((002461357) << 2));
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr)
|
|
changed_offset = (svga->memaddr + (svga->scanline & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
|
|
else
|
|
changed_offset = svga->remap_func(svga, svga->memaddr) >> 12;
|
|
|
|
if (!(svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange))
|
|
return;
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->render_line_offset) {
|
|
if (svga->render_line_offset > 0) {
|
|
memset(p, svga->overscan_color, (size_t) charwidth * svga->render_line_offset * sizeof(uint32_t));
|
|
p += charwidth * svga->render_line_offset;
|
|
}
|
|
}
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
uint32_t incr_counter = 0;
|
|
uint32_t load_counter = 0;
|
|
uint32_t edat = 0;
|
|
static uint32_t col = 0;
|
|
static uint32_t col2 = 0;
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += charwidth) {
|
|
if (load_counter == 0) {
|
|
/* Find our address */
|
|
if (svga->force_old_addr) {
|
|
addr = ((svga->memaddr & ~0x3) << incbypow2);
|
|
|
|
if (incbypow2 == 2) {
|
|
if (svga->memaddr & (4 << 15))
|
|
addr |= 0x8;
|
|
if (svga->memaddr & (4 << 14))
|
|
addr |= 0x4;
|
|
} else if (incbypow2 == 1) {
|
|
if ((svga->crtc[0x17] & 0x20)) {
|
|
if (svga->memaddr & (4 << 15))
|
|
addr |= 0x4;
|
|
} else {
|
|
if (svga->memaddr & (4 << 13))
|
|
addr |= 0x4;
|
|
}
|
|
} else {
|
|
/* Nothing */
|
|
}
|
|
|
|
if (!(svga->crtc[0x17] & 0x01))
|
|
addr = (addr & ~0x8000) | ((svga->scanline & 1) ? 0x8000 : 0);
|
|
if (!(svga->crtc[0x17] & 0x02))
|
|
addr = (addr & ~0x10000) | ((svga->scanline & 2) ? 0x10000 : 0);
|
|
} else if (svga->remap_required)
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
else
|
|
addr = svga->memaddr;
|
|
|
|
addr &= svga->vram_display_mask;
|
|
|
|
/* Load VRAM */
|
|
edat = *(uint32_t *) &svga->vram[addr];
|
|
|
|
/*
|
|
EGA and VGA actually use 4bpp planar as its native format.
|
|
But 4bpp chunky is generally easier to deal with on a modern CPU.
|
|
shift4bit is the native format for this renderer (4bpp chunky).
|
|
*/
|
|
if (svga->ati_4color || !shift4bit) {
|
|
if (shift2bit && !svga->ati_4color) {
|
|
/* Group 2x 2bpp values into 4bpp values */
|
|
edat = (edat & 0xCCCC3333) | ((edat << 14) & 0x33330000) | ((edat >> 14) & 0x0000CCCC);
|
|
} else {
|
|
/* Group 4x 1bpp values into 4bpp values */
|
|
edat = (edat & 0xAA55AA55) | ((edat << 7) & 0x55005500) | ((edat >> 7) & 0x00AA00AA);
|
|
edat = (edat & 0xCCCC3333) | ((edat << 14) & 0x33330000) | ((edat >> 14) & 0x0000CCCC);
|
|
}
|
|
}
|
|
} else {
|
|
/*
|
|
According to the 82C451 VGA clone chipset datasheet, all 4 planes chain in a ring.
|
|
So, rotate them all around.
|
|
Planar version: edat = (edat >> 8) | (edat << 24);
|
|
Here's the chunky version...
|
|
*/
|
|
edat = ((edat >> 1) & 0x77777777) | ((edat << 3) & 0x88888888);
|
|
}
|
|
load_counter += 1;
|
|
if (load_counter >= loadevery)
|
|
load_counter = 0;
|
|
|
|
incr_counter += 1;
|
|
if (incr_counter >= incevery) {
|
|
incr_counter = 0;
|
|
svga->memaddr += 4;
|
|
/* DISCREPANCY TODO FIXME 2/4bpp used vram_mask, 8bpp used vram_display_mask --GM */
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
|
|
uint32_t current_shift = shift_values;
|
|
uint32_t out_edat = edat;
|
|
/*
|
|
Apply blink
|
|
FIXME: Confirm blink behaviour on real hardware
|
|
|
|
The VGA 4bpp graphics blink logic was a pain to work out.
|
|
|
|
If plane 3 is enabled in the attribute controller, then:
|
|
- if bit 3 is 0, then we force the output of it to be 1.
|
|
- if bit 3 is 1, then the output blinks.
|
|
This can be tested with Lotus 1-2-3 release 2.3 with the WYSIWYG addon.
|
|
|
|
If plane 3 is disabled in the attribute controller, then the output blinks.
|
|
This can be tested with QBASIC SCREEN 10 - anything using color #2 should
|
|
blink and nothing else.
|
|
|
|
If you can simplify the following and have it still work, give yourself a medal.
|
|
*/
|
|
out_edat = ((out_edat & planemask & ~blinkmask) | ((out_edat | ~planemask) & blinkmask & blinkval)) ^ blinkmask;
|
|
|
|
for (int i = 0; i < (8 + (svga->ati_4color ? 8 : 0)); i += (svga->ati_4color ? 4 : 2)) {
|
|
/*
|
|
c0 denotes the first 4bpp pixel shifted, while c1 denotes the second.
|
|
For 8bpp modes, the first 4bpp pixel is the upper 4 bits.
|
|
*/
|
|
uint32_t c0 = (out_edat >> (current_shift & 0x1C)) & 0xF;
|
|
current_shift >>= 3;
|
|
uint32_t c1 = (out_edat >> (current_shift & 0x1C)) & 0xF;
|
|
current_shift >>= 3;
|
|
|
|
if (svga->ati_4color) {
|
|
uint32_t q[4];
|
|
q[0] = svga->pallook[svga->egapal[(c0 & 0x0c) >> 2]];
|
|
q[1] = svga->pallook[svga->egapal[c0 & 0x03]];
|
|
q[2] = svga->pallook[svga->egapal[(c1 & 0x0c) >> 2]];
|
|
q[3] = svga->pallook[svga->egapal[c1 & 0x03]];
|
|
|
|
const int outoffs = i << dwshift;
|
|
for (int ch = 0; ch < 4; ch++) {
|
|
for (int subx = 0; subx < dotwidth; subx++)
|
|
p[outoffs + subx + (dotwidth * ch)] = q[ch];
|
|
}
|
|
} else if (combine8bits) {
|
|
if (svga->packed_4bpp) {
|
|
uint32_t p0;
|
|
uint32_t p1;
|
|
if (svga->half_pixel) {
|
|
col &= 0xf0;
|
|
col |= (c0 >> 4) & 0xff;
|
|
col2 = (c0 << 4) & 0xff;
|
|
col2 |= (c1 >> 4) & 0xff;
|
|
p0 = svga->map8[col & svga->dac_mask];
|
|
p1 = svga->map8[col2 & svga->dac_mask];
|
|
col = (c1 << 4) & 0xff;
|
|
} else {
|
|
p0 = svga->map8[c0 & svga->dac_mask];
|
|
p1 = svga->map8[c1 & svga->dac_mask];
|
|
col = p1;
|
|
}
|
|
const int outoffs = i << dwshift;
|
|
for (int subx = 0; subx < dotwidth; subx++)
|
|
p[outoffs + subx] = p0;
|
|
for (int subx = 0; subx < dotwidth; subx++)
|
|
p[outoffs + subx + dotwidth] = p1;
|
|
} else {
|
|
uint32_t ccombined = (c0 << 4) | c1;
|
|
uint32_t p0;
|
|
if (svga->half_pixel) {
|
|
col &= 0xf0;
|
|
col |= (ccombined >> 4) & 0xff;
|
|
p0 = svga->map8[col & svga->dac_mask];
|
|
col = (ccombined << 4) & 0xff;
|
|
} else {
|
|
p0 = svga->map8[ccombined & svga->dac_mask];
|
|
col = p0;
|
|
}
|
|
const int outoffs = (i >> 1) << dwshift;
|
|
for (int subx = 0; subx < dotwidth; subx++)
|
|
p[outoffs + subx] = p0;
|
|
}
|
|
} else {
|
|
uint32_t p0 = svga->pallook[svga->egapal[c0] & svga->dac_mask];
|
|
uint32_t p1 = svga->pallook[svga->egapal[c1] & svga->dac_mask];
|
|
const int outoffs = i << dwshift;
|
|
for (int subx = 0; subx < dotwidth; subx++)
|
|
p[outoffs + subx] = p0;
|
|
for (int subx = 0; subx < dotwidth; subx++)
|
|
p[outoffs + subx + dotwidth] = p1;
|
|
if ((x + i - svga->scrollcache) & 0x01)
|
|
/* The lower 4 bits are undefined at this point. */
|
|
col = c1 << 4;
|
|
else
|
|
col = (c0 << 4) | c1;
|
|
}
|
|
}
|
|
|
|
if (svga->ati_4color)
|
|
p += (charwidth << 1);
|
|
// p += charwidth;
|
|
else
|
|
p += charwidth;
|
|
}
|
|
|
|
if (svga->render_line_offset < 0) {
|
|
uint32_t *orig_line = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
memmove(orig_line, orig_line + (charwidth * -svga->render_line_offset), (svga->hdisp) * 4);
|
|
memset((orig_line + svga->hdisp) - (charwidth * -svga->render_line_offset), svga->overscan_color, (size_t) charwidth * -svga->render_line_offset * 4);
|
|
}
|
|
}
|
|
|
|
/*
|
|
Remap these to the paletted renderer
|
|
(*, highres, combine8bits)
|
|
*/
|
|
void svga_render_2bpp_lowres(svga_t *svga) { svga_render_indexed_gfx(svga, false, false); }
|
|
void svga_render_2bpp_highres(svga_t *svga) { svga_render_indexed_gfx(svga, true, false); }
|
|
void svga_render_4bpp_lowres(svga_t *svga) { svga_render_indexed_gfx(svga, false, false); }
|
|
void svga_render_4bpp_highres(svga_t *svga) { svga_render_indexed_gfx(svga, true, false); }
|
|
void svga_render_8bpp_lowres(svga_t *svga) { svga_render_indexed_gfx(svga, false, true); }
|
|
void svga_render_8bpp_highres(svga_t *svga) { svga_render_indexed_gfx(svga, true, true); }
|
|
|
|
void
|
|
svga_render_4bpp_tseng_highres(svga_t *svga)
|
|
{
|
|
int changed_offset;
|
|
int x;
|
|
int oddeven;
|
|
uint32_t addr;
|
|
uint32_t *p;
|
|
uint8_t edat[4];
|
|
uint8_t dat;
|
|
uint32_t changed_addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
changed_offset = (svga->memaddr + (svga->scanline & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
|
|
|
|
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
addr = svga->memaddr;
|
|
oddeven = 0;
|
|
|
|
if (!(svga->crtc[0x17] & 0x40)) {
|
|
addr = (addr << 1) & svga->vram_mask;
|
|
|
|
if (svga->seqregs[1] & 4)
|
|
oddeven = (addr & 4) ? 1 : 0;
|
|
|
|
addr &= ~7;
|
|
|
|
if ((svga->crtc[0x17] & 0x20) && (svga->memaddr & 0x20000))
|
|
addr |= 4;
|
|
if (!(svga->crtc[0x17] & 0x20) && (svga->memaddr & 0x8000))
|
|
addr |= 4;
|
|
}
|
|
|
|
if (!(svga->crtc[0x17] & 0x01))
|
|
addr = (addr & ~0x8000) | ((svga->scanline & 1) ? 0x8000 : 0);
|
|
if (!(svga->crtc[0x17] & 0x02))
|
|
addr = (addr & ~0x10000) | ((svga->scanline & 2) ? 0x10000 : 0);
|
|
|
|
if (svga->seqregs[1] & 4) {
|
|
edat[0] = svga->vram[addr | oddeven];
|
|
edat[2] = svga->vram[addr | oddeven | 0x2];
|
|
edat[1] = edat[3] = 0;
|
|
svga->memaddr += 2;
|
|
} else {
|
|
*(uint32_t *) (&edat[0]) = *(uint32_t *) (&svga->vram[addr]);
|
|
svga->memaddr += 4;
|
|
}
|
|
svga->memaddr &= svga->vram_mask;
|
|
|
|
dat = edatlookup[edat[0] >> 6][edat[1] >> 6] | (edatlookup[edat[2] >> 6][edat[3] >> 6] << 2);
|
|
p[0] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[1] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
dat = edatlookup[(edat[0] >> 4) & 3][(edat[1] >> 4) & 3] | (edatlookup[(edat[2] >> 4) & 3][(edat[3] >> 4) & 3] << 2);
|
|
p[2] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[3] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
dat = edatlookup[(edat[0] >> 2) & 3][(edat[1] >> 2) & 3] | (edatlookup[(edat[2] >> 2) & 3][(edat[3] >> 2) & 3] << 2);
|
|
p[4] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[5] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
dat = edatlookup[edat[0] & 3][edat[1] & 3] | (edatlookup[edat[2] & 3][edat[3] & 3] << 2);
|
|
p[6] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[7] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
|
|
p += 8;
|
|
}
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
oddeven = 0;
|
|
|
|
if (svga->seqregs[1] & 4) {
|
|
oddeven = (addr & 4) ? 1 : 0;
|
|
edat[0] = svga->vram[addr | oddeven];
|
|
edat[2] = svga->vram[addr | oddeven | 0x2];
|
|
edat[1] = edat[3] = 0;
|
|
svga->memaddr += 2;
|
|
} else {
|
|
*(uint32_t *) (&edat[0]) = *(uint32_t *) (&svga->vram[addr]);
|
|
svga->memaddr += 4;
|
|
}
|
|
svga->memaddr &= svga->vram_mask;
|
|
|
|
dat = edatlookup[edat[0] >> 6][edat[1] >> 6] | (edatlookup[edat[2] >> 6][edat[3] >> 6] << 2);
|
|
p[0] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[1] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
dat = edatlookup[(edat[0] >> 4) & 3][(edat[1] >> 4) & 3] | (edatlookup[(edat[2] >> 4) & 3][(edat[3] >> 4) & 3] << 2);
|
|
p[2] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[3] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
dat = edatlookup[(edat[0] >> 2) & 3][(edat[1] >> 2) & 3] | (edatlookup[(edat[2] >> 2) & 3][(edat[3] >> 2) & 3] << 2);
|
|
p[4] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[5] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
dat = edatlookup[edat[0] & 3][edat[1] & 3] | (edatlookup[edat[2] & 3][edat[3] & 3] << 2);
|
|
p[6] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[7] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_8bpp_clone_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
p[4] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[5] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[6] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[7] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 8;
|
|
p += 8;
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
p[4] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[5] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[6] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[7] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 8;
|
|
p += 8;
|
|
}
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 4) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 4;
|
|
p += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: Integrate more of this into the generic paletted renderer --GM
|
|
#if 0
|
|
void
|
|
svga_render_8bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
|
|
p[0] = p[1] = svga->map8[dat & 0xff];
|
|
p[2] = p[3] = svga->map8[(dat >> 8) & 0xff];
|
|
p[4] = p[5] = svga->map8[(dat >> 16) & 0xff];
|
|
p[6] = p[7] = svga->map8[(dat >> 24) & 0xff];
|
|
|
|
svga->memaddr += 4;
|
|
p += 8;
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
p[0] = p[1] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[2] = p[3] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[4] = p[5] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[6] = p[7] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 4;
|
|
p += 8;
|
|
}
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
p[0] = p[1] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[2] = p[3] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[4] = p[5] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[6] = p[7] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 4;
|
|
p += 8;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_8bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
p[4] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[5] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[6] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[7] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 8;
|
|
p += 8;
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
p[4] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[5] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[6] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[7] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 8;
|
|
p += 8;
|
|
}
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 4) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & svga->dac_mask & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & svga->dac_mask & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 4;
|
|
p += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void
|
|
svga_render_8bpp_tseng_lowres(svga_t *svga)
|
|
{
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange || svga->render_line_offset) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (svga->render_line_offset) {
|
|
if (svga->render_line_offset > 0) {
|
|
memset(p, svga->overscan_color, 8 * svga->render_line_offset * sizeof(uint32_t));
|
|
p += 8 * svga->render_line_offset;
|
|
}
|
|
}
|
|
|
|
for (int x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[0] = p[1] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[2] = p[3] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[4] = p[5] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[6] = p[7] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 4;
|
|
p += 8;
|
|
}
|
|
if (svga->render_line_offset < 0) {
|
|
uint32_t *orig_line = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
memmove(orig_line, orig_line + (8 * -svga->render_line_offset), (svga->hdisp) * 4);
|
|
memset((orig_line + svga->hdisp) - (8 * -svga->render_line_offset), svga->overscan_color, 8 * -svga->render_line_offset * 4);
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_8bpp_tseng_highres(svga_t *svga)
|
|
{
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange || svga->render_line_offset) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (svga->render_line_offset) {
|
|
if (svga->render_line_offset > 0) {
|
|
memset(p, svga->overscan_color, 8 * svga->render_line_offset * sizeof(uint32_t));
|
|
p += 8 * svga->render_line_offset;
|
|
}
|
|
}
|
|
|
|
for (int x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[0] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[1] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[2] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[3] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[4] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[5] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[6] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
dat >>= 8;
|
|
if (svga->attrregs[0x10] & 0x80)
|
|
dat = (dat & ~0xf0) | ((svga->attrregs[0x14] & 0x0f) << 4);
|
|
p[7] = svga->map8[dat & svga->dac_mask & 0xff];
|
|
|
|
svga->memaddr += 8;
|
|
p += 8;
|
|
}
|
|
|
|
if (svga->render_line_offset < 0) {
|
|
uint32_t *orig_line = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
memmove(orig_line, orig_line + (8 * -svga->render_line_offset), (svga->hdisp) * 4);
|
|
memset((orig_line + svga->hdisp) - (8 * -svga->render_line_offset), svga->overscan_color, 8 * -svga->render_line_offset * 4);
|
|
}
|
|
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_15bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
|
|
p[x << 1] = p[(x << 1) + 1] = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
p[(x << 1) + 2] = p[(x << 1) + 3] = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
|
|
p[(x << 1) + 4] = p[(x << 1) + 5] = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
p[(x << 1) + 6] = p[(x << 1) + 7] = svga->conv_16to32(svga, dat >> 16, 15);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 2) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
svga->memaddr += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_15bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
p[x] = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
p[x + 1] = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[x + 2] = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
p[x + 3] = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 8) & svga->vram_display_mask]);
|
|
p[x + 4] = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
p[x + 5] = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 12) & svga->vram_display_mask]);
|
|
p[x + 6] = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
p[x + 7] = svga->conv_16to32(svga, dat >> 16, 15);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 8) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 12) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 2) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 15);
|
|
svga->memaddr += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_15bpp_mix_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
p[x << 1] = p[(x << 1) + 1] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
|
|
dat >>= 16;
|
|
p[(x << 1) + 2] = p[(x << 1) + 3] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[(x << 1) + 4] = p[(x << 1) + 5] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
|
|
dat >>= 16;
|
|
p[(x << 1) + 6] = p[(x << 1) + 7] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_15bpp_mix_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
p[x] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
dat >>= 16;
|
|
p[x + 1] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[x + 2] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
dat >>= 16;
|
|
p[x + 3] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 8) & svga->vram_display_mask]);
|
|
p[x + 4] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
dat >>= 16;
|
|
p[x + 5] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 12) & svga->vram_display_mask]);
|
|
p[x + 6] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
dat >>= 16;
|
|
p[x + 7] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : svga->conv_16to32(svga, dat & 0xffff, 15);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_16bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
p[x << 1] = p[(x << 1) + 1] = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
p[(x << 1) + 2] = p[(x << 1) + 3] = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[(x << 1) + 4] = p[(x << 1) + 5] = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
p[(x << 1) + 6] = p[(x << 1) + 7] = svga->conv_16to32(svga, dat >> 16, 16);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 2) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
}
|
|
svga->memaddr += 4;
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_16bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
uint32_t dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
p[x] = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
p[x + 1] = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[x + 2] = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
p[x + 3] = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 8) & svga->vram_display_mask]);
|
|
p[x + 4] = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
p[x + 5] = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 12) & svga->vram_display_mask]);
|
|
p[x + 6] = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
p[x + 7] = svga->conv_16to32(svga, dat >> 16, 16);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1)) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 4) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 8) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 1) + 12) & svga->vram_display_mask]);
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
}
|
|
svga->memaddr += x << 1;
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 2) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
|
|
*p++ = svga->conv_16to32(svga, dat & 0xffff, 16);
|
|
*p++ = svga->conv_16to32(svga, dat >> 16, 16);
|
|
|
|
svga->memaddr += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_24bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
uint32_t dat0;
|
|
uint32_t dat1;
|
|
uint32_t dat2;
|
|
uint32_t fg;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
fg = svga->vram[svga->memaddr] | (svga->vram[svga->memaddr + 1] << 8) | (svga->vram[svga->memaddr + 2] << 16);
|
|
svga->memaddr += 3;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = lookup_lut(fg);
|
|
}
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat0 = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
dat1 = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
dat2 = *(uint32_t *) (&svga->vram[(svga->memaddr + 8) & svga->vram_display_mask]);
|
|
|
|
p[0] = p[1] = lookup_lut(dat0 & 0xffffff);
|
|
p[2] = p[3] = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8));
|
|
p[4] = p[5] = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16));
|
|
p[6] = p[7] = lookup_lut(dat2 >> 8);
|
|
|
|
svga->memaddr += 12;
|
|
}
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat0 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
addr = svga->remap_func(svga, svga->memaddr + 4);
|
|
dat1 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
addr = svga->remap_func(svga, svga->memaddr + 8);
|
|
dat2 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
|
|
p[0] = p[1] = lookup_lut(dat0 & 0xffffff);
|
|
p[2] = p[3] = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8));
|
|
p[4] = p[5] = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16));
|
|
p[6] = p[7] = lookup_lut(dat2 >> 8);
|
|
|
|
svga->memaddr += 12;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_24bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t changed_addr;
|
|
uint8_t addr;
|
|
uint32_t dat0;
|
|
uint32_t dat1;
|
|
uint32_t dat2;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
p[x] = lookup_lut(dat & 0xffffff);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 3) & svga->vram_display_mask]);
|
|
p[x + 1] = lookup_lut(dat & 0xffffff);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 6) & svga->vram_display_mask]);
|
|
p[x + 2] = lookup_lut(dat & 0xffffff);
|
|
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + 9) & svga->vram_display_mask]);
|
|
p[x + 3] = lookup_lut(dat & 0xffffff);
|
|
|
|
svga->memaddr += 12;
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
dat0 = *(uint32_t *) (&svga->vram[svga->memaddr & svga->vram_display_mask]);
|
|
dat1 = *(uint32_t *) (&svga->vram[(svga->memaddr + 4) & svga->vram_display_mask]);
|
|
dat2 = *(uint32_t *) (&svga->vram[(svga->memaddr + 8) & svga->vram_display_mask]);
|
|
|
|
*p++ = lookup_lut(dat0 & 0xffffff);
|
|
*p++ = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8));
|
|
*p++ = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16));
|
|
*p++ = lookup_lut(dat2 >> 8);
|
|
|
|
svga->memaddr += 12;
|
|
}
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 4) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat0 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
addr = svga->remap_func(svga, svga->memaddr + 4);
|
|
dat1 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
addr = svga->remap_func(svga, svga->memaddr + 8);
|
|
dat2 = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
|
|
*p++ = lookup_lut(dat0 & 0xffffff);
|
|
*p++ = lookup_lut((dat0 >> 24) | ((dat1 & 0xffff) << 8));
|
|
*p++ = lookup_lut((dat1 >> 16) | ((dat2 & 0xff) << 16));
|
|
*p++ = lookup_lut(dat2 >> 8);
|
|
|
|
svga->memaddr += 12;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_32bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->fullchange) {
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat = svga->vram[svga->memaddr] | (svga->vram[svga->memaddr + 1] << 8) | (svga->vram[svga->memaddr + 2] << 16);
|
|
svga->memaddr += 4;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] = svga->monitor->target_buffer->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = lookup_lut(dat);
|
|
}
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 2)) & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(dat & 0xffffff);
|
|
*p++ = lookup_lut(dat & 0xffffff);
|
|
}
|
|
svga->memaddr += (x * 4);
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(dat & 0xffffff);
|
|
*p++ = lookup_lut(dat & 0xffffff);
|
|
svga->memaddr += 4;
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_32bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->force_old_addr) {
|
|
if (svga->changedvram[svga->memaddr >> 12] || svga->changedvram[(svga->memaddr >> 12) + 1] || svga->changedvram[(svga->memaddr >> 12) + 2] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 2)) & svga->vram_display_mask]);
|
|
p[x] = lookup_lut(dat & 0xffffff);
|
|
}
|
|
svga->memaddr += 4;
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
} else {
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 2)) & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(dat & 0xffffff);
|
|
}
|
|
svga->memaddr += (x * 4);
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(dat & 0xffffff);
|
|
|
|
svga->memaddr += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_ABGR8888_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 2)) & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16));
|
|
}
|
|
svga->memaddr += x * 4;
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16));
|
|
|
|
svga->memaddr += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
void
|
|
svga_render_RGBA8888_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
uint32_t changed_addr;
|
|
uint32_t addr;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
changed_addr = svga->remap_func(svga, svga->memaddr);
|
|
|
|
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
|
|
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
if (!svga->remap_required) {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
dat = *(uint32_t *) (&svga->vram[(svga->memaddr + (x << 2)) & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(dat >> 8);
|
|
}
|
|
svga->memaddr += (x * 4);
|
|
} else {
|
|
for (x = 0; x <= (svga->hdisp + svga->scrollcache); x++) {
|
|
addr = svga->remap_func(svga, svga->memaddr);
|
|
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
|
|
*p++ = lookup_lut(dat >> 8);
|
|
|
|
svga->memaddr += 4;
|
|
}
|
|
}
|
|
svga->memaddr &= svga->vram_display_mask;
|
|
}
|
|
}
|