80486DX2-66/86Box-fork
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Deduplicate some code

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This commit is contained in:
Melissa Goad
2016-12-20 20:47:42 -06:00
parent 32d4f0e478
commit a1ff1912d8
1 changed files with 17 additions and 78 deletions
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95
src/vid_nv_riva128.c
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@@ -26,6 +26,9 @@ typedef struct riva128_t
uint8_t card_id;
int is_nv3t;
uint16_t vendor_id;
uint16_t device_id;
uint32_t linear_base, linear_size;
uint16_t rma_addr;
@@ -291,22 +294,6 @@ static uint8_t riva128_pmc_read(uint32_t addr, void *p)
case 0x000001: ret = 0x01; break;
case 0x000002: ret = 0x03; break;
case 0x000003: ret = 0x00; break;
case 0x000100: ret = riva128->pmc.intr & 0xff; break;
case 0x000101: ret = (riva128->pmc.intr >> 8) & 0xff; break;
case 0x000102: ret = (riva128->pmc.intr >> 16) & 0xff; break;
case 0x000103: ret = (riva128->pmc.intr >> 24) & 0xff; break;
case 0x000140: ret = riva128->pmc.intr & 0xff; break;
case 0x000141: ret = (riva128->pmc.intr_en >> 8) & 0xff; break;
case 0x000142: ret = (riva128->pmc.intr_en >> 16) & 0xff; break;
case 0x000143: ret = (riva128->pmc.intr_en >> 24) & 0xff; break;
case 0x000160: ret = riva128->pmc.intr_line & 0xff; break;
case 0x000161: ret = (riva128->pmc.intr_line >> 8) & 0xff; break;
case 0x000162: ret = (riva128->pmc.intr_line >> 16) & 0xff; break;
case 0x000163: ret = (riva128->pmc.intr_line >> 24) & 0xff; break;
case 0x000200: ret = riva128->pmc.enable & 0xff; break;
case 0x000201: ret = (riva128->pmc.enable >> 8) & 0xff; break;
case 0x000202: ret = (riva128->pmc.enable >> 16) & 0xff; break;
case 0x000203: ret = (riva128->pmc.enable >> 24) & 0xff; break;
}
else if(riva128->card_id == 0x04) switch(addr)
{
@@ -314,6 +301,9 @@ static uint8_t riva128_pmc_read(uint32_t addr, void *p)
case 0x000001: ret = 0x40; break;
case 0x000002: ret = 0x00; break;
case 0x000003: ret = 0x00; break;
}
switch(addr)
{
case 0x000100: ret = riva128->pmc.intr & 0xff; break;
case 0x000101: ret = (riva128->pmc.intr >> 8) & 0xff; break;
case 0x000102: ret = (riva128->pmc.intr >> 16) & 0xff; break;
@@ -1460,68 +1450,11 @@ static uint8_t riva128_pci_read(int func, int addr, void *p)
//pclog("RIVA 128 PCI read %02X %04X:%08X\n", addr, CS, cpu_state.pc);
switch (addr)
{
case 0x00: ret = 0xd2; break; /*'nVidia'*/
case 0x01: ret = 0x12; break;
case 0x00: ret = riva128->vendor_id & 0xff; break;
case 0x01: ret = riva128->vendor_id >> 8; break;
case 0x02: ret = 0x18; break; /*'RIVA 128'*/
case 0x03: ret = 0x00; break;
case 0x04: ret = riva128->pci_regs[0x04] & 0x37; break;
case 0x05: ret = riva128->pci_regs[0x05] & 0x01; break;
case 0x06: ret = 0x20; break;
case 0x07: ret = riva128->pci_regs[0x07] & 0x73; break;
case 0x08: ret = 0x01; break; /*Revision ID*/
case 0x09: ret = 0; break; /*Programming interface*/
case 0x0a: ret = 0x00; break; /*Supports VGA interface*/
case 0x0b: ret = 0x03; /*output = 3; */break;
case 0x0e: ret = 0x00; break; /*Header type*/
case 0x13:
case 0x17:
ret = riva128->pci_regs[addr];
break;
case 0x2c: case 0x2d: case 0x2e: case 0x2f:
ret = riva128->pci_regs[addr];
//if(CS == 0x0028) output = 3;
break;
case 0x30: return riva128->pci_regs[0x30] & 0x01; /*BIOS ROM address*/
case 0x31: return 0x00;
case 0x32: return riva128->pci_regs[0x32];
case 0x33: return riva128->pci_regs[0x33];
case 0x34: ret = 0x00; break;
case 0x3c: ret = riva128->pci_regs[0x3c]; break;
case 0x3d: ret = 0x01; break; /*INTA*/
case 0x3e: ret = 0x03; break;
case 0x3f: ret = 0x01; break;
}
// pclog("%02X\n", ret);
return ret;
}
static uint8_t rivatnt_pci_read(int func, int addr, void *p)
{
riva128_t *riva128 = (riva128_t *)p;
svga_t *svga = &riva128->svga;
uint8_t ret = 0;
//pclog("RIVA 128 PCI read %02X %04X:%08X\n", addr, CS, cpu_state.pc);
switch (addr)
{
case 0x00: ret = 0xde; break; /*'nVidia'*/
case 0x01: ret = 0x10; break;
case 0x02: ret = 0x20; break; /*'RIVA TNT'*/
case 0x03: ret = 0x00; break;
case 0x02: ret = riva128->device_id & 0xff; break;
case 0x03: ret = riva128->device_id >> 8; break;
case 0x04: ret = riva128->pci_regs[0x04] & 0x37; break;
case 0x05: ret = riva128->pci_regs[0x05] & 0x01; break;
@@ -1872,6 +1805,9 @@ static void *riva128_init()
riva128->card_id = 0x03;
riva128->is_nv3t = 0;
riva128->vendor_id = 0x12d2;
riva128->device_id = 0x0018;
riva128->memory_size = device_get_config_int("memory");
svga_init(&riva128->svga, riva128, riva128->memory_size << 20,
@@ -2070,6 +2006,9 @@ static void *rivatnt_init()
riva128->card_id = 0x04;
riva128->is_nv3t = 0;
riva128->vendor_id = 0x10de;
riva128->device_id = 0x0020;
riva128->memory_size = device_get_config_int("memory");
svga_init(&riva128->svga, riva128, riva128->memory_size << 20,
@@ -2126,7 +2065,7 @@ static void *rivatnt_init()
riva128->pfifo.intr = 0;
riva128->pgraph.intr = 0;
pci_add(rivatnt_pci_read, rivatnt_pci_write, riva128);
pci_add(riva128_pci_read, rivatnt_pci_write, riva128);
return riva128;
}