80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

Disabled register EE reads and writes on the VLSI VL82C480 chipset.

Browse Source
This commit is contained in:
OBattler
2023-07-06 20:33:23 +02:00
parent 979bd75acb
commit 8c94de0be1
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
src/chipset/vl82c480.c
View File

@@ -121,10 +121,13 @@ vl82c480_write(uint16_t addr, uint8_t val, void *priv)
} }
break; break;
/* TODO: This is actually Fast A20 disable. */
#if 0
case 0xee: case 0xee:
if (mem_a20_alt) if (mem_a20_alt)
outb(0x92, inb(0x92) & ~2); outb(0x92, inb(0x92) & ~2);
break; break;
#endif
default: default:
break; break;
@@ -146,10 +149,13 @@ vl82c480_read(uint16_t addr, void *priv)
ret = dev->regs[dev->idx]; ret = dev->regs[dev->idx];
break; break;
/* TODO: This is actually Fast A20 enable. */
#if 0
case 0xee: case 0xee:
if (!mem_a20_alt) if (!mem_a20_alt)
outb(0x92, inb(0x92) | 2); outb(0x92, inb(0x92) | 2);
break; break;
#endif
case 0xef: case 0xef:
softresetx86(); softresetx86();