220 in 1
Type | multi | Mapper | ? | Original mapper | 0 | PCB marks | 910307 0380 | Tags: | | Uploaded: | 2018-11-11 12:16:52 |
| |
Elements:
Chip signature:
27F080+27F080+6264A+74273+74153+74139+7474+7402
PCB top:
PCB bottom:
Shell top:
No photo
Shell bottom:
No photo
Screenshoots:
No photo
Extra info:
http://forums.nesdev.com/viewtopic.php?f=9&t=18019
$8001 $8000 (mask: $8001)
[......wP] [PmvPPPPp]
|| ||||||||
|+----+||+++++- 16K/32K PRG bank (p ignored in 16k mode)
| |+------- PRG mode (0=32K,1=16K)
| +-------- mirroring (0=V,1=H)
+--------------- 1=CHR-RAM is write protected
On power up & reset, both registers are cleared
board <- {
mappernum = 255,
cpu_rom = { size_base = 2097152, size_max = 2097152, banksize = 0x4000 },
ppu_rom = { size_base = 0, size_max = 0, banksize = 0 },
ppu_ramfind = false, vram_mirrorfind = false
};
function cpu_dump(d, pagesize, banksize) {
for (local i = 0; i < (1 << 7); ++i) {
cpu_write(d, 0x8000, (i & 0x1F) | (1 << 5) | ((((i >> 5) & 1) << 7)));
cpu_write(d, 0x8001, (i >> 6) & 1);
cpu_read(d, 0x8000, banksize);
}
}
function ppu_dump(d, pagesize, banksize) {
}
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