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System ROM shadowing doesn't depend from the selected register. It actually depends on the Video RAM

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Also seems like the System ROM is RO. RW causes it to hang
This commit is contained in:
tiseno100
2020-09-10 19:55:11 +03:00
committed by GitHub
parent 7a075e35e3
commit 54c569e5be
1 changed files with 2 additions and 2 deletions
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4
src/chipset/intel_82335.c
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@@ -100,9 +100,9 @@ intel_82335_write(uint16_t addr, uint16_t val, void *priv)
if (!extended_granuality_enabled)
{
mem_set_mem_state_both(0xa0000, 0x20000, (dev->reg_22 & (0x04 << 8)) ? enabled_shadow : disabled_shadow);
mem_set_mem_state_both(0xa0000, 0x20000, (dev->reg_22 & (0x04 << 8)) ? determine_video_ram_write_access : disabled_shadow);
mem_set_mem_state_both(0xc0000, 0x20000, (dev->reg_22 & (0x02 << 8)) ? enabled_shadow : disabled_shadow);
mem_set_mem_state_both(0xe0000, 0x20000, (dev->reg_22 & 0x01) ? determine_video_ram_write_access : disabled_shadow);
mem_set_mem_state_both(0xe0000, 0x20000, (dev->reg_22 & 0x01) ? ro_shadow : disabled_shadow);
}
break;