4cade/src/prelaunch/monster.mash.a

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;license:MIT
;(c) 2020, 2022 by qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/MONSTER.MASH",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $A16
jsr $800 ; load DOS
+READ_RAM2_NO_WRITE
lda MachineStatus
and #CHEATS_ENABLED
beq +
lda #<callback
sta $BD07
lda #>callback
sta $BD08
+
jsr DisableAccelerator
+READ_ROM_NO_WRITE
jmp $B700
callback
pla
pla
jsr $BD5A
jsr $BD09
lda $BEA3
cmp #5
bne +
lda $407
cmp #$21
bne +
lda $408
bne +
lda #$a5
sta $6625 ; patch - don't decrease lives
+
clc
rts
!if * > $1C0 {
!error "code is too large, ends at ", *
}