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Added ATI Korean VGA emulation. Patch from Greatpsycho.

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This commit is contained in:
SarahW 2018-03-11 15:46:24 +00:00
commit 2567c30353
8 changed files with 371 additions and 41 deletions
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8
src/vid_svga.c
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@ -372,7 +372,7 @@ void svga_recalctimings(svga_t *svga)
svga->render = svga_render_blank;
if (!svga->scrblank && svga->attr_palette_enable)
{
if (!(svga->gdcreg[6] & 1)) /*Text mode*/
if (!(svga->gdcreg[6] & 1) && !(svga->attrregs[0x10] & 1)) /*Text mode*/
{
if (svga->seqregs[1] & 8) /*40 column*/
{
@ -680,7 +680,7 @@ void svga_poll(void *p)
svga->video_res_x = wx;
svga->video_res_y = wy + 1;
// pclog("%i %i %i\n", svga->video_res_x, svga->video_res_y, svga->lowres);
if (!(svga->gdcreg[6] & 1)) /*Text mode*/
if (!(svga->gdcreg[6] & 1) && !(svga->attrregs[0x10] & 1)) /*Text mode*/
{
svga->video_res_x /= (svga->seqregs[1] & 1) ? 8 : 9;
svga->video_res_y /= (svga->crtc[9] & 31) + 1;
@ -690,7 +690,9 @@ void svga_poll(void *p)
{
if (svga->crtc[9] & 0x80)
svga->video_res_y /= 2;
if (!(svga->crtc[0x17] & 1))
if (!(svga->crtc[0x17] & 2))
svga->video_res_y *= 4;
else if (!(svga->crtc[0x17] & 1))
svga->video_res_y *= 2;
svga->video_res_y /= (svga->crtc[9] & 31) + 1;
if (svga->lowres)