21 in 1
Type | multi | Mapper | 940 | Original mapper | 0 | PCB marks | 12-28-C K-3069 | Tags: | | Uploaded: | 2022-08-20 02:17:02 |
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Elements:
Chip signature:
MASKROM_1M_DIP28+MASKROM_1M_DIP28+74174+74153+7432
PCB top:
PCB bottom:
Shell top:
Shell bottom:
Screenshoots:
Extra info:
fedcba9876543210
A~[1.........xyzccm]
|||||+- mirr: 0=V, 1=H
||||+-- CHR A13
|||+--- CHR A14
||+---- PRG A14 (only when x=0)
|+----- CHR A15, PRG A15
+------ CHR A16, PRG A16, PRG mode
All bits cleared on power & reset
x $8000 $c000
0 xyz xyz
1 xy0 xy1
adv isl: 1111101111111000
combat: 1111101111011101
--
//mykazzo dumping script
for (int i = 0; i < 4; ++i) {
cpu_write(0x8000 | shi(i, 2, 5) | shi(i, 1, 4) | shi(i, 0, 3), new byte[] {0});
cpuRead(0x8000, 0xBFFF);
}
for (int i = 0; i < 2; ++i) {
cpu_write(0x8000 | shi(1, 0, 5) | shi(i, 0, 4), new byte[] { 0 });
cpuRead(0x8000, 0xFFFF);
}
for (int i = 0; i < 16; ++i) {
cpu_write(0x8000 | shi(i, 3, 5) | shi(i, 2, 4) | shi(i, 1, 2) | shi(i, 0, 1), new byte[] {0});
ppuRead(0x0000, 0x1FFF);
}
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