80486DX2-66/86Box-fork
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Sanitized the VIA southbridge code a bit.

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This commit is contained in:
OBattler
2020-01-14 19:06:34 +01:00
committed by GitHub
parent d9461a3fce
commit 33ab403635
1 changed files with 3 additions and 3 deletions
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6
src/via_vt82c586b.c
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@@ -368,7 +368,7 @@ via_vt82c586b_write(int func, int addr, uint8_t val, void *priv)
switch(func) { switch(func) {
case 0: /* PCI-ISA bridge */ case 0: /* PCI-ISA bridge */
/* Read-only addresses */ /* Read-only addresses */
if ((addr < 4) || (addr == 5) || (addr == 6) || ((addr >= 8) && (addr < 0x40)) || if ((addr < 4) || (addr == 5) || ((addr >= 8) && (addr < 0x40)) ||
(addr == 0x49) || (addr == 0x4b) || ((addr >= 0x51) && (addr < 0x54)) || ((addr >= 0x5d) && (addr < 0x60)) || (addr == 0x49) || (addr == 0x4b) || ((addr >= 0x51) && (addr < 0x54)) || ((addr >= 0x5d) && (addr < 0x60)) ||
((addr >= 0x68) && (addr < 0x6a)) || (addr >= 0x73)) ((addr >= 0x68) && (addr < 0x6a)) || (addr >= 0x73))
return; return;
@@ -423,7 +423,7 @@ via_vt82c586b_write(int func, int addr, uint8_t val, void *priv)
break; break;
case 0x60: case 0x62: case 0x64: case 0x66: case 0x60: case 0x62: case 0x64: case 0x66:
case 0x68: case 0x6a: case 0x6c: case 0x6e: case 0x6a: case 0x6c: case 0x6e:
c = (addr & 0x0e) >> 1; c = (addr & 0x0e) >> 1;
dma[c].ab = (dma[c].ab & 0xffffff0f) | (val & 0xf0); dma[c].ab = (dma[c].ab & 0xffffff0f) | (val & 0xf0);
dma[c].ac = (dma[c].ac & 0xffffff0f) | (val & 0xf0); dma[c].ac = (dma[c].ac & 0xffffff0f) | (val & 0xf0);
@@ -433,7 +433,7 @@ via_vt82c586b_write(int func, int addr, uint8_t val, void *priv)
dma_e &= ~(1 << c); dma_e &= ~(1 << c);
break; break;
case 0x61: case 0x63: case 0x65: case 0x67: case 0x61: case 0x63: case 0x65: case 0x67:
case 0x69: case 0x6b: case 0x6d: case 0x6f: case 0x6b: case 0x6d: case 0x6f:
c = (addr & 0x0e) >> 1; c = (addr & 0x0e) >> 1;
dma[c].ab = (dma[c].ab & 0xffff00ff) | (val << 8); dma[c].ab = (dma[c].ab & 0xffff00ff) | (val << 8);
dma[c].ac = (dma[c].ac & 0xffff00ff) | (val << 8); dma[c].ac = (dma[c].ac & 0xffff00ff) | (val << 8);