Rockman 6 in 1
Elements:
Chip signature:
27C160+DIL40+27C160+6264A+7432
PCB top:
PCB bottom:
Shell top:
Shell bottom:
Screenshoots:
Extra info:
PRG-ROM: 2 MB
CHR-ROM: 512 kB
CHR-RAM: 8 kB
Mapper: DIL40
PRG-ROM & CHR-ROM blobs pinouts matches EXACTLY 27160 (with ommited D8-D15 and unused upper address lines)
CHR-RAM blob matches 6264
Last four writes to $6000-$7fff are stored inside the mapper:
| 1st | 2nt | 3rd | 4th | prg chr
Bootup 10000000 00111110 00011010 10111110 80 3e 1a be
Rockman I 00000000 00100000 00100000 11110000 00 20 20 f0 128 0
Rockman II 00000000 01000000 00100000 11100000 00 40 20 e0 256 0
Rockman III 00000000 01100000 00011110 11100000 00 60 1e e0 256 128
Rockman IV 00000000 10000000 00100000 11000000 00 80 20 c0 512 0
Rockman V 00000000 00000000 00001111 11100000 00 00 0f e0 256 256
Rockman VI 00000000 11000000 00100000 11000000 00 c0 20 c0 512 0
|||||||| |||||||| |||||| ||||||||
|||||||| |||||||| |||||| ||++++++- inverted PRG-AND (A18..A13)
|||||||| |||||||| |||||| |+------- 1=lock reg
|||||||| |||||||| |||||| +-------- 1=changes make effect
|||||||| |||||||| ||++++---------- CHR-A mask ($F=256k, $E=128k, $D=64k, $C=32k,
|||||||| |||||||| || $B=16k, $A=8k, $9=4k, $8=2k, $7..$0=1k)
|||||||| |||||||| |+-------------- CHR-A18
|||||||| |||||||| +--------------- 0=CHR-ROM / 1=CHR-RAM
|||||||| ++++++++------------------- PRG-OR (A20..A13)
++++++++---------------------------- CHR-OR (A17..A10)
PRG:
000000: difs 000000, Rockman 5 - Blues no Wana! (J).nes
040000: difs 000184, Rockman (J).nes
060000: difs 114132, Rockman (J).nes
080000: difs 000197, Rockman 2 - Dr Wily no Nazo (J).nes
0c0000: difs 000064, Rockman 3 - Dr Wily no Saigo! (J).nes
100000: difs 000032, Rockman 4 - Aratanaru Yabou!! (J).nes
180000: difs 000021, Rockman 6 - Shijou Saidai no Tatakai!! (J).nes
...
CHR:
000000: difs 000000, Rockman 5 - Blues no Wana! (J).nes
040000: difs 000000, Rockman 3 - Dr Wily no Saigo! (J).nes
060000: difs 126075, Rockman 3 - Dr Wily no Saigo! (J).nes
...
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