Code Library

People have been hacking SMW for many years now and it's no surprise some routines are common among different hackers. There's no need to recreate the wheel for every patch. Here are some common subroutines. Block Routines

Shatter.

    LDA #$02
    STA $9C
    JSL $00BEB0
    PHB
    LDA #$02
    PHA
    PLB
    LDA #$00 ;01 for rainbow
    JSL $028663
    PLB

Sprite Routines

Block Shatter. This code then the normal block shatter code.

    LDA $0A ;\
    AND #$F0 ;| Update the position
    STA $9A ;| of the block
    LDA $0B ;| so it doesn't shatter
    STA $9B ;| where the players at
    LDA $0C ;|
    AND #$F0 ;|
    STA $98 ;|
    LDA $0D ;|
    STA $99 ;/