1067 lines
31 KiB
C
1067 lines
31 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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* Version: @(#)vid_svga_render.c 1.0.14 2019/11/19
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*
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* Authors: Sarah Walker, <http://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 <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.h"
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#include "../mem.h"
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#include "../timer.h"
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#include "video.h"
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#include "vid_svga.h"
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#include "vid_svga_render.h"
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void
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svga_render_blank(svga_t *svga)
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{
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int x, xx;
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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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for (x = 0; x < (svga->hdisp + svga->scrollcache); x++) {
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switch (svga->seqregs[1] & 9) {
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case 0:
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for (xx = 0; xx < 9; xx++)
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buffer32->line[svga->displine + svga->y_add][svga->x_add + (x * 9) + xx] = 0x00000000;
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break;
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case 1:
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for (xx = 0; xx < 8; xx++)
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buffer32->line[svga->displine + svga->y_add][svga->x_add + (x * 8) + xx] = 0x00000000;
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break;
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case 8:
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for (xx = 0; xx < 18; xx++)
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buffer32->line[svga->displine + svga->y_add][svga->x_add + (x * 18) + xx] = 0x00000000;
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break;
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case 9:
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for (xx = 0; xx < 16; xx++)
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buffer32->line[svga->displine + svga->y_add][svga->x_add + (x * 16) + xx] = 0x00000000;
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break;
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}
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}
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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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int i;
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if (svga->scrblank || (svga->hdisp == 0))
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return;
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for (i = 0; i < svga->x_add; i++)
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buffer32->line[svga->displine + svga->y_add][i] = 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 i, right;
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if (svga->scrblank || (svga->hdisp == 0))
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return;
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right = (overscan_x >> 1);
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for (i = 0; i < right; i++)
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buffer32->line[svga->displine + svga->y_add][svga->x_add + svga->hdisp + i] = 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 x, xx;
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int drawcursor, xinc;
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uint8_t chr, attr, dat;
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uint32_t charaddr;
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int fg, 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 = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
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xinc = (svga->seqregs[1] & 1) ? 16 : 18;
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for (x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
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drawcursor = ((svga->ma == svga->ca) && svga->con && svga->cursoron);
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chr = svga->vram[(svga->ma << 1) & svga->vram_display_mask];
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attr = svga->vram[((svga->ma << 1) + 1) & svga->vram_display_mask];
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if (attr & 8) charaddr = svga->charsetb + (chr * 128);
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else charaddr = svga->charseta + (chr * 128);
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15]];
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fg = svga->pallook[svga->egapal[attr >> 4]];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15]];
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bg = svga->pallook[svga->egapal[attr >> 4]];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(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->sc << 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->ma += 4;
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p += xinc;
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}
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svga->ma &= 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 x, xx;
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int drawcursor, xinc;
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uint8_t chr, attr, dat;
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uint32_t charaddr;
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int fg, 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 = &buffer32->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 (x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
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drawcursor = ((svga->ma == svga->ca) && svga->con && svga->cursoron);
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chr = svga->vram[(svga->ma << 1) & svga->vram_display_mask];
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attr = svga->vram[((svga->ma << 1) + 1) & svga->vram_display_mask];
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if (attr & 8) charaddr = svga->charsetb + (chr * 128);
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else charaddr = svga->charseta + (chr * 128);
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15]];
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fg = svga->pallook[svga->egapal[attr >> 4]];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15]];
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bg = svga->pallook[svga->egapal[attr >> 4]];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(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->sc << 2)];
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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->ma += 4;
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p += xinc;
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}
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svga->ma &= 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_ksc5601(svga_t *svga)
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{
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uint32_t *p;
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int x, xx;
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int drawcursor, xinc;
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uint8_t chr, attr, dat, nextchr;
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uint32_t charaddr;
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int fg, 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 = &buffer32->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 (x = 0; x < (svga->hdisp + svga->scrollcache); x += xinc) {
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drawcursor = ((svga->ma == svga->ca) && svga->con && svga->cursoron);
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chr = svga->vram[(svga->ma << 1) & svga->vram_display_mask];
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nextchr = svga->vram[((svga->ma + 4) << 1) & svga->vram_display_mask];
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attr = svga->vram[((svga->ma << 1) + 1) & svga->vram_display_mask];
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15]];
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fg = svga->pallook[svga->egapal[attr >> 4]];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15]];
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bg = svga->pallook[svga->egapal[attr >> 4]];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(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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if ((x + xinc) < svga->hdisp && (chr & (nextchr | svga->ksc5601_sbyte_mask) & 0x80)) {
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if (((chr == 0xc9) || (chr == 0xfe)) && ((nextchr > 0xa0) && (nextchr < 0xff)))
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dat = fontdatksc5601_user[((chr == 0xfe) ? 96 : 0) + (nextchr & 0x7F) - 0x20].chr[svga->sc];
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else if (nextchr & 0x80)
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dat = fontdatksc5601[((chr & 0x7F) << 7) | (nextchr & 0x7F)].chr[svga->sc];
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else
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dat = 0xff;
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} else {
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if (attr & 8) charaddr = svga->charsetb + (chr * 128);
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else charaddr = svga->charseta + (chr * 128);
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dat = svga->vram[charaddr + (svga->sc << 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->ma += 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->ma << 1) + 1) & svga->vram_display_mask];
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if (drawcursor) {
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bg = svga->pallook[svga->egapal[attr & 15]];
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fg = svga->pallook[svga->egapal[attr >> 4]];
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} else {
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fg = svga->pallook[svga->egapal[attr & 15]];
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bg = svga->pallook[svga->egapal[attr >> 4]];
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if (attr & 0x80 && svga->attrregs[0x10] & 8) {
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bg = svga->pallook[svga->egapal[(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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if (((chr == 0xc9) || (chr == 0xfe)) && ((nextchr > 0xa0) && (nextchr < 0xff)))
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dat = fontdatksc5601_user[(chr == 0xfe ? 96 : 0) + (nextchr & 0x7F) - 0x20].chr[svga->sc + 16];
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else if(nextchr & 0x80)
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dat = fontdatksc5601[((chr & 0x7f) << 7) | (nextchr & 0x7F)].chr[svga->sc + 16];
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else
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dat = 0xff;
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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->ma += 4;
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p += xinc;
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x += xinc;
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}
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}
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svga->ma &= svga->vram_display_mask;
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}
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}
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void
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svga_render_2bpp_lowres(svga_t *svga)
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{
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int changed_offset, x;
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uint8_t dat[2];
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uint32_t addr, *p;
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if ((svga->displine + svga->y_add) < 0)
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return;
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changed_offset = ((svga->ma << 1) + (svga->sc & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
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if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
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p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
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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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for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 16) {
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addr = svga->ma;
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if (!(svga->crtc[0x17] & 0x40)) {
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addr = (addr << 1) & svga->vram_mask;
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addr &= ~7;
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if ((svga->crtc[0x17] & 0x20) && (svga->ma & 0x20000))
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addr |= 4;
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if (!(svga->crtc[0x17] & 0x20) && (svga->ma & 0x8000))
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addr |= 4;
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}
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if (!(svga->crtc[0x17] & 0x01))
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addr = (addr & ~0x8000) | ((svga->sc & 1) ? 0x8000 : 0);
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if (!(svga->crtc[0x17] & 0x02))
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addr = (addr & ~0x10000) | ((svga->sc & 2) ? 0x10000 : 0);
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dat[0] = svga->vram[addr];
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dat[1] = svga->vram[addr | 0x1];
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if (svga->seqregs[1] & 4)
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svga->ma += 2;
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else
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svga->ma += 4;
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svga->ma &= svga->vram_mask;
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p[0] = p[1] = svga->pallook[svga->egapal[(dat[0] >> 6) & 3]];
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p[2] = p[3] = svga->pallook[svga->egapal[(dat[0] >> 4) & 3]];
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p[4] = p[5] = svga->pallook[svga->egapal[(dat[0] >> 2) & 3]];
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p[6] = p[7] = svga->pallook[svga->egapal[dat[0] & 3]];
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p[8] = p[9] = svga->pallook[svga->egapal[(dat[1] >> 6) & 3]];
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p[10] = p[11] = svga->pallook[svga->egapal[(dat[1] >> 4) & 3]];
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p[12] = p[13] = svga->pallook[svga->egapal[(dat[1] >> 2) & 3]];
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p[14] = p[15] = svga->pallook[svga->egapal[dat[1] & 3]];
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p += 16;
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}
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}
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}
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void
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svga_render_2bpp_highres(svga_t *svga)
|
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{
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int changed_offset, x;
|
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uint8_t dat[2];
|
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uint32_t addr, *p;
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if ((svga->displine + svga->y_add) < 0)
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return;
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changed_offset = ((svga->ma << 1) + (svga->sc & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
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if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
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p = &buffer32->line[svga->displine + svga->y_add][svga->x_add];
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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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for (x = 0; x <= (svga->hdisp + svga->scrollcache); x += 8) {
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addr = svga->ma;
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if (!(svga->crtc[0x17] & 0x40)) {
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addr = (addr << 1) & svga->vram_mask;
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addr &= ~7;
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if ((svga->crtc[0x17] & 0x20) && (svga->ma & 0x20000))
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addr |= 4;
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if (!(svga->crtc[0x17] & 0x20) && (svga->ma & 0x8000))
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addr |= 4;
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}
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if (!(svga->crtc[0x17] & 0x01))
|
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addr = (addr & ~0x8000) | ((svga->sc & 1) ? 0x8000 : 0);
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if (!(svga->crtc[0x17] & 0x02))
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addr = (addr & ~0x10000) | ((svga->sc & 2) ? 0x10000 : 0);
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dat[0] = svga->vram[addr];
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dat[1] = svga->vram[addr | 0x1];
|
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if (svga->seqregs[1] & 4)
|
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svga->ma += 2;
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else
|
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svga->ma += 4;
|
|
|
|
svga->ma &= svga->vram_mask;
|
|
|
|
p[0] = svga->pallook[svga->egapal[(dat[0] >> 6) & 3]];
|
|
p[1] = svga->pallook[svga->egapal[(dat[0] >> 4) & 3]];
|
|
p[2] = svga->pallook[svga->egapal[(dat[0] >> 2) & 3]];
|
|
p[3] = svga->pallook[svga->egapal[dat[0] & 3]];
|
|
p[4] = svga->pallook[svga->egapal[(dat[1] >> 6) & 3]];
|
|
p[5] = svga->pallook[svga->egapal[(dat[1] >> 4) & 3]];
|
|
p[6] = svga->pallook[svga->egapal[(dat[1] >> 2) & 3]];
|
|
p[7] = svga->pallook[svga->egapal[dat[1] & 3]];
|
|
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_4bpp_lowres(svga_t *svga)
|
|
{
|
|
int x, oddeven;
|
|
uint32_t addr, *p;
|
|
uint8_t edat[4];
|
|
uint8_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma;
|
|
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->ma & 0x20000))
|
|
addr |= 4;
|
|
if (!(svga->crtc[0x17] & 0x20) && (svga->ma & 0x8000))
|
|
addr |= 4;
|
|
}
|
|
|
|
if (!(svga->crtc[0x17] & 0x01))
|
|
addr = (addr & ~0x8000) | ((svga->sc & 1) ? 0x8000 : 0);
|
|
if (!(svga->crtc[0x17] & 0x02))
|
|
addr = (addr & ~0x10000) | ((svga->sc & 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->ma += 2;
|
|
} else {
|
|
*(uint32_t *)(&edat[0]) = *(uint32_t *)(&svga->vram[addr]);
|
|
svga->ma += 4;
|
|
}
|
|
svga->ma &= svga->vram_mask;
|
|
|
|
dat = edatlookup[edat[0] >> 6][edat[1] >> 6] | (edatlookup[edat[2] >> 6][edat[3] >> 6] << 2);
|
|
p[0] = p[1] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[2] = p[3] = 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[4] = p[5] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[6] = p[7] = 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[8] = p[9] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[10] = p[11] = 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[12] = p[13] = svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask]];
|
|
p[14] = p[15] = svga->pallook[svga->egapal[dat & svga->plane_mask]];
|
|
|
|
p += 16;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_4bpp_highres(svga_t *svga)
|
|
{
|
|
int changed_offset, x;
|
|
int oddeven;
|
|
uint32_t addr, *p;
|
|
uint8_t edat[4];
|
|
uint8_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
changed_offset = (svga->ma + (svga->sc & ~svga->crtc[0x17] & 3) * 0x8000) >> 12;
|
|
|
|
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma;
|
|
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->ma & 0x20000))
|
|
addr |= 4;
|
|
if (!(svga->crtc[0x17] & 0x20) && (svga->ma & 0x8000))
|
|
addr |= 4;
|
|
}
|
|
|
|
if (!(svga->crtc[0x17] & 0x01))
|
|
addr = (addr & ~0x8000) | ((svga->sc & 1) ? 0x8000 : 0);
|
|
if (!(svga->crtc[0x17] & 0x02))
|
|
addr = (addr & ~0x10000) | ((svga->sc & 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->ma += 2;
|
|
} else {
|
|
*(uint32_t *)(&edat[0]) = *(uint32_t *)(&svga->vram[addr]);
|
|
svga->ma += 4;
|
|
}
|
|
svga->ma &= 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_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma & 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->ma += 4;
|
|
p += 8;
|
|
}
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_8bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma & svga->vram_display_mask]);
|
|
p[0] = svga->map8[dat & 0xff];
|
|
p[1] = svga->map8[(dat >> 8) & 0xff];
|
|
p[2] = svga->map8[(dat >> 16) & 0xff];
|
|
p[3] = svga->map8[(dat >> 24) & 0xff];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + 4) & svga->vram_display_mask]);
|
|
p[4] = svga->map8[dat & 0xff];
|
|
p[5] = svga->map8[(dat >> 8) & 0xff];
|
|
p[6] = svga->map8[(dat >> 16) & 0xff];
|
|
p[7] = svga->map8[(dat >> 24) & 0xff];
|
|
|
|
svga->ma += 8;
|
|
p += 8;
|
|
}
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_15bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 1)) & svga->vram_display_mask]);
|
|
|
|
p[(x << 1)] = p[(x << 1) + 1] = video_15to32[dat & 0xffff];
|
|
|
|
p[(x << 1) + 2] = p[(x << 1) + 3] = video_15to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 4) & svga->vram_display_mask]);
|
|
|
|
p[(x << 1) + 4] = p[(x << 1) + 5] = video_15to32[dat & 0xffff];
|
|
|
|
p[(x << 1) + 6] = p[(x << 1) + 7] = video_15to32[dat >> 16];
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_15bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 1)) & svga->vram_display_mask]);
|
|
p[x] = video_15to32[dat & 0xffff];
|
|
p[x + 1] = video_15to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[x + 2] = video_15to32[dat & 0xffff];
|
|
p[x + 3] = video_15to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 8) & svga->vram_display_mask]);
|
|
p[x + 4] = video_15to32[dat & 0xffff];
|
|
p[x + 5] = video_15to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 12) & svga->vram_display_mask]);
|
|
p[x + 6] = video_15to32[dat & 0xffff];
|
|
p[x + 7] = video_15to32[dat >> 16];
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma &= 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->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 1)) & svga->vram_display_mask]);
|
|
p[(x << 1)] = p[(x << 1) + 1] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
|
|
dat >>= 16;
|
|
p[(x << 1) + 2] = p[(x << 1) + 3] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[(x << 1) + 4] = p[(x << 1) + 5] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
|
|
dat >>= 16;
|
|
p[(x << 1) + 6] = p[(x << 1) + 7] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma &= 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->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 1)) & svga->vram_display_mask]);
|
|
p[x] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
dat >>= 16;
|
|
p[x + 1] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[x + 2] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
dat >>= 16;
|
|
p[x + 3] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 8) & svga->vram_display_mask]);
|
|
p[x + 4] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
dat >>= 16;
|
|
p[x + 5] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 12) & svga->vram_display_mask]);
|
|
p[x + 6] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
dat >>= 16;
|
|
p[x + 7] = (dat & 0x00008000) ? svga->pallook[dat & 0xff] : video_15to32[dat & 0xffff];
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_16bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 1)) & svga->vram_display_mask]);
|
|
p[(x << 1)] = p[(x << 1) + 1] = video_16to32[dat & 0xffff];
|
|
p[(x << 1) + 2] = p[(x << 1) + 3] = video_16to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[(x << 1) + 4] = p[(x << 1) + 5] = video_16to32[dat & 0xffff];
|
|
p[(x << 1) + 6] = p[(x << 1) + 7] = video_16to32[dat >> 16];
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_16bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 1)) & svga->vram_display_mask]);
|
|
p[x] = video_16to32[dat & 0xffff];
|
|
p[x + 1] = video_16to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 4) & svga->vram_display_mask]);
|
|
p[x + 2] = video_16to32[dat & 0xffff];
|
|
p[x + 3] = video_16to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 8) & svga->vram_display_mask]);
|
|
p[x + 4] = video_16to32[dat & 0xffff];
|
|
p[x + 5] = video_16to32[dat >> 16];
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + (x << 1) + 12) & svga->vram_display_mask]);
|
|
p[x + 6] = video_16to32[dat & 0xffff];
|
|
p[x + 7] = video_16to32[dat >> 16];
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_24bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t fg;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 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->ma] | (svga->vram[svga->ma + 1] << 8) | (svga->vram[svga->ma + 2] << 16);
|
|
svga->ma += 3;
|
|
svga->ma &= svga->vram_display_mask;
|
|
buffer32->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] =
|
|
buffer32->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = fg;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_24bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
|
|
p = &buffer32->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->ma & svga->vram_display_mask]);
|
|
p[x] = dat & 0xffffff;
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + 3) & svga->vram_display_mask]);
|
|
p[x + 1] = dat & 0xffffff;
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + 6) & svga->vram_display_mask]);
|
|
p[x + 2] = dat & 0xffffff;
|
|
|
|
dat = *(uint32_t *)(&svga->vram[(svga->ma + 9) & svga->vram_display_mask]);
|
|
p[x + 3] = dat & 0xffffff;
|
|
|
|
svga->ma += 12;
|
|
}
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_32bpp_lowres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t fg;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 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->ma] | (svga->vram[svga->ma + 1] << 8) | (svga->vram[svga->ma + 2] << 16);
|
|
svga->ma += 4;
|
|
svga->ma &= svga->vram_display_mask;
|
|
buffer32->line[svga->displine + svga->y_add][(x << 1) + svga->x_add] =
|
|
buffer32->line[svga->displine + svga->y_add][(x << 1) + 1 + svga->x_add] = fg;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_32bpp_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->changedvram[(svga->ma >> 12) + 2] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 2)) & svga->vram_display_mask]);
|
|
p[x] = dat & 0xffffff;
|
|
}
|
|
svga->ma += 4;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_ABGR8888_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->changedvram[(svga->ma >> 12) + 2] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 2)) & svga->vram_display_mask]);
|
|
p[x] = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16);
|
|
}
|
|
svga->ma += 4;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
svga_render_RGBA8888_highres(svga_t *svga)
|
|
{
|
|
int x;
|
|
uint32_t *p;
|
|
uint32_t dat;
|
|
|
|
if ((svga->displine + svga->y_add) < 0)
|
|
return;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->changedvram[(svga->ma >> 12) + 2] || svga->fullchange) {
|
|
p = &buffer32->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->ma + (x << 2)) & svga->vram_display_mask]);
|
|
p[x] = dat >> 8;
|
|
}
|
|
svga->ma += 4;
|
|
svga->ma &= svga->vram_display_mask;
|
|
}
|
|
}
|