Monster Party

This page contains notes for the game Monster Party.

Unused Controller Code#

Located at 0x100D5 is a controller-checking routine that runs when the game starts at the (Stage 1 title card):

AD 68 04:    lda P2InputNow ; ($0468)
85 10:       sta $10
AD 67 04:    lda P1InputNow ; ($0467)
18:          clc 
65 10:       adc $10  ; Combine P1+P2 input
C9 CF:       cmp #$CF ; Check if it matches CF (UDLRAB)
D0 00:       bne #$00 ; Branch if not equal. Cheat code should follow, but...

 ...                  ; Too bad! There's nothing here. Code was removed and branch skips over nothing.

A9 80:       lda #$80 ; Branches to here, the next opcode.