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PS55DA2: Fix video switcher

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Fix an issue that the screen is resized repeatedly when booting OS/2.
This commit is contained in:
Akamaki
2025-03-28 01:30:00 +09:00
parent 209b29a239
commit da855e02b4
1 changed files with 4 additions and 3 deletions
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7
src/video/vid_ps55da2.c
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@@ -1242,7 +1242,8 @@ da2_out(uint16_t addr, uint16_t val, void *p)
case LC_VERTICAL_SYNC_START:
case LC_V_DISPLAY_ENABLE_END:
case LC_START_VERTICAL_BLANK:
case LC_END_VERTICAL_BLANK:
case LC_START_H_DISPLAY_ENAB:
case LC_START_V_DISPLAY_ENAB:
case LC_VIEWPORT_PRIORITY:
da2->fullchange = changeframecount;
da2_recalctimings(da2);
@@ -2158,10 +2159,12 @@ da2_updatevidselector_tick(void *priv)
if (da2->ioctl[LS_MODE] & 0x02) {
/* VGA passthrough mode */
da2->override = 1;
timer_disable(&da2->timer);
svga_set_override(da2->mb_vga, 0);
da2_log("DA2 selector: VGA\n");
} else {
svga_set_override(da2->mb_vga, 1);
timer_enable(&da2->timer);
da2->override = 0;
da2_log("DA2 selector: DA2\n");
}
@@ -2310,12 +2313,10 @@ da2_mapping_update(da2_t *da2)
io_sethandler(0x03d0, 0x000b, da2_in_ISR, NULL, NULL, da2_out_ISR, NULL, NULL, da2);
mem_mapping_enable(&da2->cmapping);
mem_mapping_enable(&da2->mmio.mapping);
timer_enable(&da2->timer);
timer_enable(&da2->bitblt.timer);
} else {
da2_log("DA2 disable registers\n");
timer_disable(&da2->bitblt.timer);
timer_disable(&da2->timer);
mem_mapping_disable(&da2->cmapping);
mem_mapping_disable(&da2->mmio.mapping);
io_removehandler(0x03c0, 0x000a, da2_inb, da2_inw, NULL, da2_outb, da2_outw, NULL, da2);