4cade/src/prelaunch/mario.bros.a

29 lines
543 B
Plaintext
Executable File

;license:MIT
;(c) 2019-2020, 2022 by qkumba/Frank M.
!cpu 6502
!to "build/PRELAUNCH.INDEXED/MB",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $822E
jsr $4900 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a9
sta $4299
+
lda #1
sta $402F ; reset vector patch
+DISABLE_ACCEL
jmp $4000
!if * > $1C0 {
!error "code is too large, ends at ", *
}