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Applied all the mainline PCem PCI commits;

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Applied patch from James-F that makes the Sound Blaster filters more accurate.
This commit is contained in:
OBattler
2017-06-02 01:38:25 +02:00
parent fde78d13f8
commit ab847fdecd
20 changed files with 649 additions and 204 deletions
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24
src/i440fx.c
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@@ -52,20 +52,38 @@ void i440fx_write(int func, int addr, uint8_t val, void *priv)
if (func)
return;
if ((addr >= 0x10) && (addr < 0x4f))
return;
switch (addr)
{
case 0x00: case 0x01: case 0x02: case 0x03:
case 0x08: case 0x09: case 0x0a: case 0x0b:
case 0x0e:
case 0x0c: case 0x0e:
return;
case 0x04: /*Command register*/
val &= 0x02;
val |= 0x04;
break;
case 0x05:
val = 0;
break;
case 0x06: /*Status*/
val = 0;
break;
case 0x07:
val &= 0x80;
val |= 0x02;
break;
case 0x59: /*PAM0*/
if ((card_i440fx[0x59] ^ val) & 0xf0)
{
i440fx_map(0xf0000, 0x10000, val >> 4);
shadowbios = (val & 0x10);
}
// pclog("i440fx_write : PAM0 write %02X\n", val);
break;
case 0x5a: /*PAM1*/
if ((card_i440fx[0x5a] ^ val) & 0x0f)
@@ -96,14 +114,12 @@ void i440fx_write(int func, int addr, uint8_t val, void *priv)
i440fx_map(0xe0000, 0x04000, val & 0xf);
if ((card_i440fx[0x5e] ^ val) & 0xf0)
i440fx_map(0xe4000, 0x04000, val >> 4);
// pclog("i440fx_write : PAM5 write %02X\n", val);
break;
case 0x5f: /*PAM6*/
if ((card_i440fx[0x5f] ^ val) & 0x0f)
i440fx_map(0xe8000, 0x04000, val & 0xf);
if ((card_i440fx[0x5f] ^ val) & 0xf0)
i440fx_map(0xec000, 0x04000, val >> 4);
// pclog("i440fx_write : PAM6 write %02X\n", val);
break;
}