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S3: Make sure to absolutely restore everything to the original state on reset, even the contents of vram and changedvram, fixes #4768.

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OBattler
2024-08-30 06:01:52 +02:00
parent 54ab778d4a
commit fe4ad0d4e1
1 changed files with 13 additions and 1 deletions
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14
src/video/vid_s3.c
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@@ -9441,12 +9441,18 @@ s3_disable_handlers(s3_t *s3)
{
s3_io_remove(s3);
mem_mapping_set_addr(&s3->linear_mapping, 0, 0);
mem_mapping_disable(&s3->linear_mapping);
mem_mapping_set_addr(&s3->mmio_mapping, 0, 0);
mem_mapping_disable(&s3->mmio_mapping);
mem_mapping_set_addr(&s3->new_mmio_mapping, 0, 0);
mem_mapping_disable(&s3->new_mmio_mapping);
mem_mapping_set_addr(&s3->svga.mapping, 0xa0000, 0x20000);
mem_mapping_disable(&s3->svga.mapping);
if (s3->pci)
if (s3->pci) {
mem_mapping_set_addr(&s3->bios_rom.mapping, 0xc0000, 0x8000);
mem_mapping_disable(&s3->bios_rom.mapping);
}
/* Save all the mappings and the timers because they are part of linked lists. */
reset_state->linear_mapping = s3->linear_mapping;
@@ -9457,6 +9463,11 @@ s3_disable_handlers(s3_t *s3)
reset_state->svga.timer = s3->svga.timer;
reset_state->svga.timer8514 = s3->svga.timer8514;
memset(s3->svga.vram, 0x00, s3->svga.vram_max + 8);
memset(s3->svga.changedvram, 0x00, (s3->svga.vram_max >> 12) + 1);
pci_clear_irq(s3->pci_slot, PCI_INTA, &s3->irq_state);
}
static void
@@ -9471,6 +9482,7 @@ s3_reset(void *priv)
reset_state->pci_slot = s3->pci_slot;
*s3 = *reset_state;
s3_io_set(s3);
}
}