SMROM: Difference between revisions
From NESdev Wiki
Jump to navigationJump to search
(Created page with ''''SMROM''' (NES-SL1ROM and HVC-SL1ROM) is one of the less common boards within the SxROM set. Like other SxROM boards, SL1ROM uses the Nintendo MMC1 ASIC. It should…') |
m (oops) |
||
| Line 1: | Line 1: | ||
'''SMROM''' ( | '''SMROM''' (HVC-SMROM) is one of the less common boards within the [[SxROM]] set. Like other SxROM boards, SMROM uses the [[MMC1|Nintendo MMC1]] ASIC. | ||
It should be noted that only Japanese HVC-SMROM boards have ever been produced, so this board has no 72-pin "NES-SMROM" counterpart. | It should be noted that only Japanese HVC-SMROM boards have ever been produced, so this board has no 72-pin "NES-SMROM" counterpart. | ||
Revision as of 13:01, 2 November 2010
SMROM (HVC-SMROM) is one of the less common boards within the SxROM set. Like other SxROM boards, SMROM uses the Nintendo MMC1 ASIC. It should be noted that only Japanese HVC-SMROM boards have ever been produced, so this board has no 72-pin "NES-SMROM" counterpart.
Overview
- PRG ROM size: 2x128 KB (DIP-32 custom pinout ?)
- PRG ROM bank size: 16 KB or 32 KB
- PRG RAM: None
- CHR capacity: 8 KB RAM
- CHR bank size: 8 KB or 4 KB
- Nametable mirroring: Controlled by mapper
- Subject to bus conflicts: No
Hardware
This particular board uses two 128 KB PRG ROM chips instead of just one 256 KB chip. Aside of this, this board is functionally identical to SGROM.
