MVS cartridge: Difference between revisions
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(Created page with "MVS cartridges are made of two boards: *The PROG board which holds the P (68k code) and V (samples) ROMs. *The CHA board which holds the C (sprite g...") |
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MVS cartridges are made of two boards: | MVS cartridges are made of two boards: | ||
*The PROG board which holds the [[P ROM|P]] (68k code) and [[V ROM|V]] (samples) ROMs. | *The [[PROG board]] which holds the [[P ROM|P]] (68k code) and [[V ROM|V]] (samples) ROMs. | ||
*The CHA board which holds the [[C ROM|C]] (sprite graphics), [[V ROM|V]] (z80 code) and [[S ROM|S]] (fix graphics) ROMs. | *The [[CHA board]] which holds the [[C ROM|C]] (sprite graphics), [[V ROM|V]] (z80 code) and [[S ROM|S]] (fix graphics) ROMs. | ||
Unlike [[AES cartridge]]s, the graphics data aren't pre-decoded by a [[NEO-ZMC2]] chip. The complete graphics data bus is exposed to the cartridge edge, it is then decoded by the NEO-ZMC2 (or [[PRO-CT0]]) chip included on the [[MVS hardware|board]]. | Unlike [[AES cartridge]]s, the graphics data aren't pre-decoded by a [[NEO-ZMC2]] chip. The complete graphics data bus is exposed to the cartridge edge, it is then decoded by the NEO-ZMC2 (or [[PRO-CT0]]) chip included on the [[MVS hardware|board]]. | ||
Revision as of 16:16, 13 December 2011
MVS cartridges are made of two boards:
- The PROG board which holds the P (68k code) and V (samples) ROMs.
- The CHA board which holds the C (sprite graphics), V (z80 code) and S (fix graphics) ROMs.
Unlike AES cartridges, the graphics data aren't pre-decoded by a NEO-ZMC2 chip. The complete graphics data bus is exposed to the cartridge edge, it is then decoded by the NEO-ZMC2 (or PRO-CT0) chip included on the board.
Since NEO-ZMC2 isn't present, NEO-ZMC is used to direct the ADPCM-A and ADPCM-B data requests to one V ROM.
The cartridge connector has 2*2*60 (240) pins. See pinouts.