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

Implemented the SMRAM register for the 430FX.

Browse Source
This commit is contained in:
OBattler
2017-10-17 19:01:10 +02:00
parent 6bde353f0b
commit 9f6bab40c1
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/machine/machine_at_430fx.c
View File

@@ -133,6 +133,10 @@ static void i430fx_write(int func, int addr, uint8_t val, void *priv)
i430fx_map(0xec000, 0x04000, val >> 4);
pclog("i430fx_write : PAM6 write %02X\n", val);
break;
case 0x72: /*SMRAM*/
if ((card_i430fx[0x72] ^ val) & 0x48)
i430fx_map(0xa0000, 0x20000, ((val & 0x48) == 0x48) ? 3 : 0);
break;
}
card_i430fx[addr] = val;
@@ -185,6 +189,7 @@ static void i430fx_reset(void)
static void i430fx_pci_reset(void)
{
i430fx_write(0, 0x59, 0x00, NULL);
i430fx_write(0, 0x72, 0x02, NULL);
}