Pinouts
MVS Cartridges
Signal names:
- A1~A19: 68k address bus
- D0~D15: 68k data bus
- R/W: 68k R/W
- AS: 68k /AS
- ROMOEL: $000000-$0FFFFF odd byte read
- ROMOEU: $000000-$0FFFFF even byte read
- ROMOE: $000000-$0FFFFF read
- PORTOEL: $200000-$2FFFFF odd byte read
- PORTOEU: $200000-$2FFFFF even byte read
- PORTWEL: $200000-$2FFFFF odd byte write
- PORTWEU: $200000-$2FFFFF even byte write
- PORTADRS: $200000-$2FFFFF any access
- SDPAD0~SDPAD7, SDRAD0~SDRAD7: V ROM(s) data bus(ses) ?
- CR0~CR31: C ROMs data bus
- SDA0~SDA15: ?
- P0~P23: C ROM and S ROM address bus (multiplexed)
- PCK1B: Clock to latch C ROM address from P0~P23
- PCK2B: Clock to latch S ROM address from P0~P15
- CA4: C ROM A4
- 2H1: S ROM A3
- FIXD0~FIXD7: S ROM data bus
| CHA bottom | CHA top | PROG bottom | PROG top |
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AES Cartridges
Joypad ports
