diff options
Diffstat (limited to 'src/mess/machine/nes_mmc3_clones.c')
-rw-r--r-- | src/mess/machine/nes_mmc3_clones.c | 27 |
1 files changed, 13 insertions, 14 deletions
diff --git a/src/mess/machine/nes_mmc3_clones.c b/src/mess/machine/nes_mmc3_clones.c index 9b57cfb9816..13a788d586b 100644 --- a/src/mess/machine/nes_mmc3_clones.c +++ b/src/mess/machine/nes_mmc3_clones.c @@ -167,7 +167,7 @@ nes_sachen_shero_device::nes_sachen_shero_device(const machine_config &mconfig, } //nes_a9746_device::nes_a9746_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) -// : nes_txrom_device(mconfig, NES_A9746, "NES Cart A-9746 PCB", tag, owner, clock, "nes_bmc_a9746", __FILE__) +// : nes_txrom_device(mconfig, NES_A9746, "NES Cart A-9746 PCB", tag, owner, clock, "nes_bmc_a9746", __FILE__) //{ //} @@ -2498,16 +2498,16 @@ WRITE8_MEMBER(nes_pjoy84_device::write_m) #ifdef UNUSED_FUNCTION /*------------------------------------------------- - + UNL-A9746 - - + + MMC3 clone - - + + Preliminary emulation based on Cah4e3's code No dump is available (yet) for this. - + -------------------------------------------------*/ void nes_a9746_device::device_start() @@ -2519,7 +2519,7 @@ void nes_a9746_device::device_start() void nes_a9746_device::pcb_reset() { m_chr_source = m_vrom_chunks ? CHRROM : CHRRAM; - + m_reg[0] = 0; m_reg[1] = 0; m_reg[2] = 0; @@ -2529,7 +2529,7 @@ void nes_a9746_device::pcb_reset() void nes_a9746_device::update_banks(UINT8 value) { UINT8 bank = BITSWAP8(value & 0x3c,7,6,0,1,2,3,4,5); - + switch (m_reg[0]) { case 0x26: prg8_89(bank); break; @@ -2537,7 +2537,7 @@ void nes_a9746_device::update_banks(UINT8 value) case 0x24: prg8_cd(bank); break; case 0x23: prg8_ef(bank); break; } - + switch (m_reg[1]) { case 0x08: case 0x0a: case 0x0c: case 0x0e: @@ -2559,7 +2559,7 @@ void nes_a9746_device::update_banks(UINT8 value) WRITE8_MEMBER(nes_a9746_device::write_h) { LOG_MMC(("unl_a9746 write_h, offset: %04x, data: %02x\n", offset, data)); - + switch (offset & 0x6003) { case 0x0000: @@ -2573,18 +2573,17 @@ WRITE8_MEMBER(nes_a9746_device::write_h) m_reg[0] = data; m_reg[1] = 0; break; - + case 0x0003: case 0x2000: case 0x2001: case 0x2002: case 0x2003: break; - + default: txrom_write(space, offset, data, mem_mask); break; } } #endif - |