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Merge pull request #5679 from starfrost013/bugfixes

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Fix Toshiba T3100E CGA 320*200 mode
This commit is contained in:
Miran Grča
2025-06-11 01:59:54 +02:00
committed by GitHub
parent b87a0b780e 46c5710261
commit 1159464fdd
1 changed files with 1 additions and 1 deletions
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src/video/vid_cga_toshiba_t3100e.c
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@@ -407,7 +407,7 @@ t3100e_cgaline4(t3100e_t *t3100e)
uint32_t ink1 = 0;
uint16_t addr;
uint16_t memaddr = (t3100e->cga.crtc[CGA_CRTC_START_ADDR_HIGH] | (t3100e->cga.crtc[CGA_CRTC_CURSOR_END] << 8)) & 0x7fff;
uint16_t memaddr = (t3100e->cga.crtc[CGA_CRTC_START_ADDR_LOW] | (t3100e->cga.crtc[CGA_CRTC_START_ADDR_HIGH] << 8)) & 0x7fff;
if (t3100e->cga.crtc[CGA_CRTC_MAX_SCANLINE_ADDR] == 3) /* 320*400 undocumented */
{
addr = ((t3100e->displine) & 1) * 0x2000 + ((t3100e->displine >> 1) & 1) * 0x4000 + (t3100e->displine >> 2) * 80 + ((memaddr & ~1) << 1);