Yet another sh1t
Download patches (Menu + Conversion)
All Credit for NROM to MMC3 conversion patches goes to infidelity
Registers of the Menu (Mapper 52) :
$6000-7FFF
D7.... ....D0
ABCD EFGH
A (D7) : LATCH [0:En 1:Dis]
B (D6) : CHR Size [0:256 1:128]
C (D5) : CHR bit 1 [CHR A18]
D (D4) : CHR bit 0 [CHR A17]
E (D3) : PRG Size [0:256 1:128]
F (D2) : PRG bit 2 + CHR bit 2 [PRG A19 + CHR A19]
G (D1) : PRG bit 1 [PRG A18]
H (D0) : PRG bit 0 [PRG A17]
All of the games must be MMC3 (Mapper4) :
ROM1 --> Super Mario Bros. 3 (E) [!].nes --> PRG1 + CHR1 --> 256 + 256 --> 1000 0000 --> 80 [Menu]
ROM2 --> Super Mario Bros. 2 (J).nes --> PRG2 + CHR2 --> 128 + 128 --> 1110 1010 --> EA
ROM3 --> Mario's Time Machine! (U) [!].nes --> PRG3 + CHR3 --> 128 + 128 --> 1111 1011 --> FB
ROM4 --> Mario Bros. (E) [!].nes --> PRG4 + CHR4 --> 128 + 128 --> 1100 1100 --> CC
ROM5 --> Super Mario Bros. (W) [b1].nes --> PRG5 + CHR5 --> 128 + 128 --> 1101 1101 --> DD
ROM6 --> Super Mario Bros. 2 (E) [!].nes --> PRG6 + CHR6 --> 128 + 128 --> 1110 1110 --> EE
ROM7 --> Mario is Missing! (E) [!].nes --> PRG7 + CHR7 --> 128 + 128 --> 1111 1111 --> FF
Designing the hardware is a little bit of challenge, anyone want to suggest anything?
Download patches (Menu + Conversion)
All Credit for NROM to MMC3 conversion patches goes to infidelity
Registers of the Menu (Mapper 52) :
$6000-7FFF
D7.... ....D0
ABCD EFGH
A (D7) : LATCH [0:En 1:Dis]
B (D6) : CHR Size [0:256 1:128]
C (D5) : CHR bit 1 [CHR A18]
D (D4) : CHR bit 0 [CHR A17]
E (D3) : PRG Size [0:256 1:128]
F (D2) : PRG bit 2 + CHR bit 2 [PRG A19 + CHR A19]
G (D1) : PRG bit 1 [PRG A18]
H (D0) : PRG bit 0 [PRG A17]
All of the games must be MMC3 (Mapper4) :
ROM1 --> Super Mario Bros. 3 (E) [!].nes --> PRG1 + CHR1 --> 256 + 256 --> 1000 0000 --> 80 [Menu]
ROM2 --> Super Mario Bros. 2 (J).nes --> PRG2 + CHR2 --> 128 + 128 --> 1110 1010 --> EA
ROM3 --> Mario's Time Machine! (U) [!].nes --> PRG3 + CHR3 --> 128 + 128 --> 1111 1011 --> FB
ROM4 --> Mario Bros. (E) [!].nes --> PRG4 + CHR4 --> 128 + 128 --> 1100 1100 --> CC
ROM5 --> Super Mario Bros. (W) [b1].nes --> PRG5 + CHR5 --> 128 + 128 --> 1101 1101 --> DD
ROM6 --> Super Mario Bros. 2 (E) [!].nes --> PRG6 + CHR6 --> 128 + 128 --> 1110 1110 --> EE
ROM7 --> Mario is Missing! (E) [!].nes --> PRG7 + CHR7 --> 128 + 128 --> 1111 1111 --> FF
Designing the hardware is a little bit of challenge, anyone want to suggest anything?