f6612fb33b
A lot of clean ups from waltje; Start of a directory structure for the code, thanks to waltje.
876 lines
40 KiB
C
876 lines
40 KiB
C
/* Copyright holders: Sarah Walker
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see COPYING for more details
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*/
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#include <stdio.h>
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#include "../ibm.h"
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#include "../mem.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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int invert_display = 0;
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uint32_t svga_color_transform(uint32_t color)
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{
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uint32_t temp = 0;
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if (invert_display)
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{
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temp |= (0xff - (color & 0xff));
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temp |= (0xff00 - (color & 0xff00));
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temp |= (0xff0000 - (color & 0xff0000));
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}
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else
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{
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temp = color;
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}
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return temp;
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}
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void svga_render_blank(svga_t *svga)
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{
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int x, xx;
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = y_add >> 1;
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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; x++)
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{
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switch (svga->seqregs[1] & 9)
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{
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case 0:
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for (xx = 0; xx < 9; xx++) ((uint32_t *)buffer32->line[svga->displine + y_add])[(x * 9) + xx + 32 + x_add] = svga_color_transform(0);
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break;
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case 1:
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for (xx = 0; xx < 8; xx++) ((uint32_t *)buffer32->line[svga->displine + y_add])[(x * 8) + xx + 32 + x_add] = svga_color_transform(0);
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break;
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case 8:
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for (xx = 0; xx < 18; xx++) ((uint32_t *)buffer32->line[svga->displine + y_add])[(x * 18) + xx + 32 + x_add] = svga_color_transform(0);
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break;
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case 9:
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for (xx = 0; xx < 16; xx++) ((uint32_t *)buffer32->line[svga->displine + y_add])[(x * 16) + xx + 32 + x_add] = svga_color_transform(0);
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break;
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}
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}
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}
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void svga_render_text_40(svga_t *svga)
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{
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = y_add >> 1;
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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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{
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uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[32 + x_add];
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int x, xx;
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int drawcursor;
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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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int xinc = (svga->seqregs[1] & 1) ? 16 : 18;
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for (x = 0; x < svga->hdisp; x += xinc)
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{
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drawcursor = ((svga->ma == svga->ca) && svga->con && svga->cursoron);
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chr = svga->vram[svga->ma << 1];
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attr = svga->vram[(svga->ma << 1) + 1];
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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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{
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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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}
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else
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{
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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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{
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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->sc << 2)];
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if (svga->seqregs[1] & 1)
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{
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for (xx = 0; xx < 16; xx += 2)
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p[xx] = p[xx + 1] = (dat & (0x80 >> (xx >> 1))) ? svga_color_transform(fg) : svga_color_transform(bg);
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}
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else
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{
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for (xx = 0; xx < 16; xx += 2)
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p[xx] = p[xx + 1] = (dat & (0x80 >> (xx >> 1))) ? svga_color_transform(fg) : svga_color_transform(bg);
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if ((chr & ~0x1F) != 0xC0 || !(svga->attrregs[0x10] & 4))
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p[16] = p[17] = svga_color_transform(bg);
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else
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p[16] = p[17] = (dat & 1) ? svga_color_transform(fg) : svga_color_transform(bg);
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}
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svga->ma += 4;
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svga->ma = svga_mask_addr(svga->ma, svga);
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p += xinc;
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}
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}
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}
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void svga_render_text_40_12(svga_t *svga)
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{
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = (enable_overscan) ? 12 : 0;
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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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{
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uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[32 + x_add];
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int x, xx;
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int drawcursor;
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uint8_t chr, attr;
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uint16_t dat;
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uint32_t charaddr;
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int fg, bg;
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int xinc = 24;
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for (x = 0; x < svga->hdisp; x += xinc)
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{
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drawcursor = ((svga->ma == svga->ca) && svga->con && svga->cursoron);
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chr = svga->vram[svga->ma << 1];
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attr = svga->vram[(svga->ma << 1) + 1];
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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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{
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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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}
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else
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{
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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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{
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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 = *(uint16_t *) &(svga->vram[charaddr + (svga->sc << 2) - 1]);
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for (xx = 0; xx < 24; xx += 2)
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p[xx] = p[xx + 1] = (dat & (0x800 >> (xx >> 1))) ? svga_color_transform(fg) : svga_color_transform(bg);
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svga->ma += 4;
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svga->ma = svga_mask_addr(svga->ma, svga);
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p += xinc;
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}
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}
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}
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void svga_render_text_80(svga_t *svga)
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{
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = y_add >> 1;
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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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{
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uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[32 + x_add];
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int x, xx;
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int drawcursor;
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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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int xinc = (svga->seqregs[1] & 1) ? 8 : 9;
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for (x = 0; x < svga->hdisp; x += xinc)
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{
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drawcursor = ((svga->ma == svga->ca) && svga->con && svga->cursoron);
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chr = svga->vram[svga->ma << 1];
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attr = svga->vram[(svga->ma << 1) + 1];
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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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{
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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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}
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else
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{
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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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{
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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->sc << 2)];
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if (svga->seqregs[1] & 1)
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{
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for (xx = 0; xx < 8; xx++)
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p[xx] = (dat & (0x80 >> xx)) ? svga_color_transform(fg) : svga_color_transform(bg);
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}
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else
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{
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for (xx = 0; xx < 8; xx++)
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p[xx] = (dat & (0x80 >> xx)) ? svga_color_transform(fg) : svga_color_transform(bg);
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if ((chr & ~0x1F) != 0xC0 || !(svga->attrregs[0x10] & 4))
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p[8] = svga_color_transform(bg);
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else
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p[8] = (dat & 1) ? svga_color_transform(fg) : svga_color_transform(bg);
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}
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svga->ma += 4;
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svga->ma = svga_mask_addr(svga->ma, svga);
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p += xinc;
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}
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}
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}
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void svga_render_text_80_12(svga_t *svga)
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{
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = (enable_overscan) ? 12 : 0;
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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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{
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uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[32 + x_add];
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int x, xx;
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int drawcursor;
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uint8_t chr, attr;
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uint16_t dat;
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uint32_t charaddr;
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int fg, bg;
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int xinc = 12;
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for (x = 0; x < svga->hdisp; x += xinc)
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{
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drawcursor = ((svga->ma == (svga->ca + 8)) && svga->con && svga->cursoron);
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chr = svga->vram[svga->ma << 1];
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attr = svga->vram[(svga->ma << 1) + 1];
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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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{
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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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}
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else
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{
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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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{
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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->sc << 2)] << 4;
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dat |= ((svga->vram[charaddr + (svga->sc << 2) + 1]) >> 4);
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for (xx = 0; xx < 12; xx++)
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p[xx] = (dat & (0x800 >> xx)) ? svga_color_transform(fg) : svga_color_transform(bg);
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svga->ma += 4;
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svga->ma = svga_mask_addr(svga->ma, svga);
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p += xinc;
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}
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}
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}
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void svga_render_2bpp_lowres(svga_t *svga)
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{
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int changed_offset;
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = y_add >> 1;
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if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
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changed_offset = (svga->ma << 1) >> 12;
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else
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changed_offset = ((svga->ma << 1) + 0x8000) >> 12;
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if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange)
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{
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int x;
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int offset = ((8 - svga->scrollcache) << 1) + 16;
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uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + 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; x += 16)
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{
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uint8_t dat[2];
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if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
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{
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dat[0] = svga->vram[(svga->ma << 1) + 0x8000];
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dat[1] = svga->vram[(svga->ma << 1) + 0x8001];
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}
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else
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{
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dat[0] = svga->vram[(svga->ma << 1)];
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dat[1] = svga->vram[(svga->ma << 1) + 1];
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}
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svga->ma += 4;
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svga->ma = svga_mask_addr(svga->ma, svga);
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p[0] = p[1] = svga_color_transform(svga->pallook[svga->egapal[(dat[0] >> 6) & 3] & svga->dac_mask]);
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p[2] = p[3] = svga_color_transform(svga->pallook[svga->egapal[(dat[0] >> 4) & 3] & svga->dac_mask]);
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p[4] = p[5] = svga_color_transform(svga->pallook[svga->egapal[(dat[0] >> 2) & 3] & svga->dac_mask]);
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p[6] = p[7] = svga_color_transform(svga->pallook[svga->egapal[dat[0] & 3] & svga->dac_mask]);
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p[8] = p[9] = svga_color_transform(svga->pallook[svga->egapal[(dat[1] >> 6) & 3] & svga->dac_mask]);
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p[10] = p[11] = svga_color_transform(svga->pallook[svga->egapal[(dat[1] >> 4) & 3] & svga->dac_mask]);
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p[12] = p[13] = svga_color_transform(svga->pallook[svga->egapal[(dat[1] >> 2) & 3] & svga->dac_mask]);
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p[14] = p[15] = svga_color_transform(svga->pallook[svga->egapal[dat[1] & 3] & svga->dac_mask]);
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p += 16;
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}
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}
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}
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void svga_render_2bpp_highres(svga_t *svga)
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{
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int changed_offset;
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = y_add >> 1;
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if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
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changed_offset = ((svga->ma << 1) | 0x8000) >> 12;
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else
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changed_offset = (svga->ma << 1) >> 12;
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if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset + 1] || svga->fullchange)
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{
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int x;
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int offset = (8 - svga->scrollcache) + 24;
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uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + 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; x += 8)
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{
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uint8_t dat[2];
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if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
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{
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dat[0] = svga->vram[(svga->ma << 1) + 0x8000];
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dat[1] = svga->vram[(svga->ma << 1) + 0x8001];
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}
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else
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{
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dat[0] = svga->vram[(svga->ma << 1)];
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dat[1] = svga->vram[(svga->ma << 1) + 1];
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}
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svga->ma += 4;
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svga->ma = svga_mask_addr(svga->ma, svga);
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p[0] = svga_color_transform(svga->pallook[svga->egapal[(dat[0] >> 6) & 3] & svga->dac_mask]);
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p[1] = svga_color_transform(svga->pallook[svga->egapal[(dat[0] >> 4) & 3] & svga->dac_mask]);
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p[2] = svga_color_transform(svga->pallook[svga->egapal[(dat[0] >> 2) & 3] & svga->dac_mask]);
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p[3] = svga_color_transform(svga->pallook[svga->egapal[dat[0] & 3] & svga->dac_mask]);
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p[4] = svga_color_transform(svga->pallook[svga->egapal[(dat[1] >> 6) & 3] & svga->dac_mask]);
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p[5] = svga_color_transform(svga->pallook[svga->egapal[(dat[1] >> 4) & 3] & svga->dac_mask]);
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p[6] = svga_color_transform(svga->pallook[svga->egapal[(dat[1] >> 2) & 3] & svga->dac_mask]);
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p[7] = svga_color_transform(svga->pallook[svga->egapal[dat[1] & 3] & svga->dac_mask]);
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p += 8;
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}
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}
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}
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void svga_render_4bpp_lowres(svga_t *svga)
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{
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int y_add = (enable_overscan) ? 16 : 0;
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int x_add = y_add >> 1;
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if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = ((8 - svga->scrollcache) << 1) + 16;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 16)
|
|
{
|
|
uint8_t edat[4];
|
|
uint8_t dat;
|
|
|
|
*(uint32_t *)(&edat[0]) = *(uint32_t *)(&svga->vram[svga->ma]);
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
|
|
dat = edatlookup[edat[0] >> 6][edat[1] >> 6] | (edatlookup[edat[2] >> 6][edat[3] >> 6] << 2);
|
|
p[0] = p[1] = svga_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[2] = p[3] = svga_color_transform(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[4] = p[5] = svga_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[6] = p[7] = svga_color_transform(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[8] = p[9] = svga_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[10] = p[11] = svga_color_transform(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[12] = p[13] = svga_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[14] = p[15] = svga_color_transform(svga->pallook[svga->egapal[dat & svga->plane_mask] & svga->dac_mask]);
|
|
|
|
p += 16;
|
|
}
|
|
}
|
|
}
|
|
|
|
void svga_render_4bpp_highres(svga_t *svga)
|
|
{
|
|
int changed_offset;
|
|
int changed_offset2;
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
|
|
changed_offset = svga_mask_addr(svga->ma | 0x8000, svga) >> 12;
|
|
else
|
|
changed_offset = svga->ma >> 12;
|
|
|
|
if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
|
|
changed_offset2 = svga_mask_addr((svga->ma | 0x8000) + 4096, svga) >> 12;
|
|
else
|
|
changed_offset2 = svga_mask_addr(svga->ma + 4096, svga) >> 12;
|
|
|
|
if (svga->changedvram[changed_offset] || svga->changedvram[changed_offset2] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - svga->scrollcache) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 8)
|
|
{
|
|
uint8_t edat[4];
|
|
uint8_t dat;
|
|
|
|
if (svga->sc & 1 && !(svga->crtc[0x17] & 1))
|
|
*(uint32_t *)(&edat[0]) = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma | 0x8000, svga)]);
|
|
else
|
|
*(uint32_t *)(&edat[0]) = *(uint32_t *)(&svga->vram[svga->ma]);
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
|
|
dat = edatlookup[edat[0] >> 6][edat[1] >> 6] | (edatlookup[edat[2] >> 6][edat[3] >> 6] << 2);
|
|
p[0] = svga_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[1] = svga_color_transform(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_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[3] = svga_color_transform(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_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[5] = svga_color_transform(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_color_transform(svga->pallook[svga->egapal[(dat >> 4) & svga->plane_mask] & svga->dac_mask]);
|
|
p[7] = svga_color_transform(svga->pallook[svga->egapal[dat & svga->plane_mask] & svga->dac_mask]);
|
|
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
void svga_render_8bpp_lowres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - (svga->scrollcache & 6)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 8)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga->ma]);
|
|
|
|
p[0] = p[1] = svga_color_transform(svga->pallook[dat & svga->dac_mask]);
|
|
p[2] = p[3] = svga_color_transform(svga->pallook[(dat >> 8) & svga->dac_mask]);
|
|
p[4] = p[5] = svga_color_transform(svga->pallook[(dat >> 16) & svga->dac_mask]);
|
|
p[6] = p[7] = svga_color_transform(svga->pallook[(dat >> 24) & svga->dac_mask]);
|
|
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
void svga_render_8bpp_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 8)
|
|
{
|
|
uint32_t dat;
|
|
dat = *(uint32_t *)(&svga->vram[svga->ma]);
|
|
p[0] = svga_color_transform(svga->pallook[dat & svga->dac_mask]);
|
|
p[1] = svga_color_transform(svga->pallook[(dat >> 8) & svga->dac_mask]);
|
|
p[2] = svga_color_transform(svga->pallook[(dat >> 16) & svga->dac_mask]);
|
|
p[3] = svga_color_transform(svga->pallook[(dat >> 24) & svga->dac_mask]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + 4, svga)]);
|
|
p[4] = svga_color_transform(svga->pallook[dat & svga->dac_mask]);
|
|
p[5] = svga_color_transform(svga->pallook[(dat >> 8) & svga->dac_mask]);
|
|
p[6] = svga_color_transform(svga->pallook[(dat >> 16) & svga->dac_mask]);
|
|
p[7] = svga_color_transform(svga->pallook[(dat >> 24) & svga->dac_mask]);
|
|
|
|
svga->ma += 8;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
p += 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
void svga_render_15bpp_lowres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - (svga->scrollcache & 6)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 4)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1), svga)]);
|
|
|
|
p[x] = svga_color_transform(video_15to32[dat & 0xffff]);
|
|
p[x + 1] = svga_color_transform(video_15to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 4, svga)]);
|
|
|
|
p[x] = svga_color_transform(video_15to32[dat & 0xffff]);
|
|
p[x + 1] = svga_color_transform(video_15to32[dat >> 16]);
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
|
|
void svga_render_15bpp_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 8)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1), svga)]);
|
|
p[x] = svga_color_transform(video_15to32[dat & 0xffff]);
|
|
p[x + 1] = svga_color_transform(video_15to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 4, svga)]);
|
|
p[x + 2] = svga_color_transform(video_15to32[dat & 0xffff]);
|
|
p[x + 3] = svga_color_transform(video_15to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 8, svga)]);
|
|
p[x + 4] = svga_color_transform(video_15to32[dat & 0xffff]);
|
|
p[x + 5] = svga_color_transform(video_15to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 12, svga)]);
|
|
p[x + 6] = svga_color_transform(video_15to32[dat & 0xffff]);
|
|
p[x + 7] = svga_color_transform(video_15to32[dat >> 16]);
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
|
|
void svga_render_16bpp_lowres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - (svga->scrollcache & 6)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 4)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1), svga)]);
|
|
|
|
p[x] = svga_color_transform(video_16to32[dat & 0xffff]);
|
|
p[x + 1] = svga_color_transform(video_16to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 4, svga)]);
|
|
|
|
p[x] = svga_color_transform(video_16to32[dat & 0xffff]);
|
|
p[x + 1] = svga_color_transform(video_16to32[dat >> 16]);
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
|
|
void svga_render_16bpp_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 8)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1), svga)]);
|
|
p[x] = svga_color_transform(video_16to32[dat & 0xffff]);
|
|
p[x + 1] = svga_color_transform(video_16to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 4, svga)]);
|
|
p[x + 2] = svga_color_transform(video_16to32[dat & 0xffff]);
|
|
p[x + 3] = svga_color_transform(video_16to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 8, svga)]);
|
|
p[x + 4] = svga_color_transform(video_16to32[dat & 0xffff]);
|
|
p[x + 5] = svga_color_transform(video_16to32[dat >> 16]);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 1) + 12, svga)]);
|
|
p[x + 6] = svga_color_transform(video_16to32[dat & 0xffff]);
|
|
p[x + 7] = svga_color_transform(video_16to32[dat >> 16]);
|
|
}
|
|
svga->ma += x << 1;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
|
|
void svga_render_24bpp_lowres(svga_t *svga)
|
|
{
|
|
int x, offset;
|
|
uint32_t fg;
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
offset = (8 - (svga->scrollcache & 6)) + 24;
|
|
|
|
for (x = 0; x <= svga->hdisp; x++)
|
|
{
|
|
fg = svga->vram[svga->ma] | (svga->vram[svga_mask_addr(svga->ma + 1, svga)] << 8) | (svga->vram[svga_mask_addr(svga->ma + 2, svga)] << 16);
|
|
svga->ma += 3;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
((uint32_t *)buffer32->line[svga->displine + y_add])[(x << 1) + offset + x_add] = ((uint32_t *)buffer32->line[svga->displine + y_add])[(x << 1) + 1 + offset + x_add] = svga_color_transform(fg);
|
|
}
|
|
}
|
|
}
|
|
|
|
void svga_render_24bpp_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x += 4)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga->ma]);
|
|
p[x] = svga_color_transform(dat & 0xffffff);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + 3, svga)]);
|
|
p[x + 1] = svga_color_transform(dat & 0xffffff);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + 6, svga)]);
|
|
p[x + 2] = svga_color_transform(dat & 0xffffff);
|
|
|
|
dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + 9, svga)]);
|
|
p[x + 3] = svga_color_transform(dat & 0xffffff);
|
|
|
|
svga->ma += 12;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
}
|
|
|
|
void svga_render_32bpp_lowres(svga_t *svga)
|
|
{
|
|
int x, offset;
|
|
uint32_t fg;
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->fullchange)
|
|
{
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
offset = (8 - (svga->scrollcache & 6)) + 24;
|
|
|
|
for (x = 0; x <= svga->hdisp; x++)
|
|
{
|
|
fg = svga->vram[svga->ma] | (svga->vram[svga_mask_addr(svga->ma + 1, svga)] << 8) | (svga->vram[svga_mask_addr(svga->ma + 2, svga)] << 16);
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
((uint32_t *)buffer32->line[svga->displine + y_add])[(x << 1) + offset + x_add] = ((uint32_t *)buffer32->line[svga->displine + y_add])[(x << 1) + 1 + offset + x_add] = svga_color_transform(fg);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*72%
|
|
91%*/
|
|
void svga_render_32bpp_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 2, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x++)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 2), svga)]);
|
|
p[x] = svga_color_transform(dat & 0xffffff);
|
|
}
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
|
|
void svga_render_ABGR8888_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 2, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x++)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 2), svga)]);
|
|
p[x] = svga_color_transform(((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16));
|
|
}
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|
|
|
|
void svga_render_RGBA8888_highres(svga_t *svga)
|
|
{
|
|
int y_add = (enable_overscan) ? 16 : 0;
|
|
int x_add = y_add >> 1;
|
|
|
|
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 1, svga)] || svga->changedvram[svga_mask_changedaddr((svga->ma >> 12) + 2, svga)] || svga->fullchange)
|
|
{
|
|
int x;
|
|
int offset = (8 - ((svga->scrollcache & 6) >> 1)) + 24;
|
|
uint32_t *p = &((uint32_t *)buffer32->line[svga->displine + y_add])[offset + x_add];
|
|
|
|
if (svga->firstline_draw == 2000)
|
|
svga->firstline_draw = svga->displine;
|
|
svga->lastline_draw = svga->displine;
|
|
|
|
for (x = 0; x <= svga->hdisp; x++)
|
|
{
|
|
uint32_t dat = *(uint32_t *)(&svga->vram[svga_mask_addr(svga->ma + (x << 2), svga)]);
|
|
p[x] = svga_color_transform(dat >> 8);
|
|
}
|
|
svga->ma += 4;
|
|
svga->ma = svga_mask_addr(svga->ma, svga);
|
|
}
|
|
}
|