$FE25/65061:   Read / Set Top of Memory

Jump from $FF99:

FE25: 90 06     BCC $FE2D

Jump from $F2B2, $F468:

FE27: AE 83 02  LDX $0283     ; Pointer: Top of Memory for Operating System
FE2A: AC 84 02  LDY $0284     ; Pointer: Top of Memory for Operating System

Jump from $FE25, $F480, $FD8D:

FE2D: 8E 83 02  STX $0283     ; Pointer: Top of Memory for Operating System
FE30: 8C 84 02  STY $0284     ; Pointer: Top of Memory for Operating System
FE33: 60        RTS

    Previous Page / Next Page