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Merge pull request #5530 from 86Box/tc1995

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Stall fix for the mach8/32 (April 30th, 2025)
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Miran Grča
2025-04-30 23:17:30 +02:00
committed by GitHub
parent 139150aa4f 8c736c7b9a
commit 0d5e8696af
1 changed files with 3 additions and 0 deletions
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3
src/video/vid_ati_mach8.c
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@@ -4264,10 +4264,13 @@ mach_accel_in_fifo(mach_t *mach, svga_t *svga, ibm8514_t *dev, uint16_t port, in
if (dev->force_busy) {
temp |= 0x0200; /*Hardware busy*/
if (mach->accel.cmd_type >= 0) {
mono_src = (mach->accel.dp_config >> 5) & 3;
switch (mach->accel.cmd_type) {
case 2:
if (dev->accel.sy >= mach->accel.height)
dev->force_busy = 0;
else if (mono_src == 2)
dev->force_busy = 0;
break;
case 5:
if (dev->accel.sx >= mach->accel.width)