4cade/src/prelaunch/mars.cars.a

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712 B
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;license:MIT
;(c) 2020 by qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/MARS.CARS",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$4C
sta $51CD
jsr $800 ; decompress
+DISABLE_ACCEL
jsr $1100
+ENABLE_ACCEL
lda #$60
sta $BE5A
jsr $BE24 ; decompress more
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$ad
sta $70A0 ; patch - don't decrease lives
sta $74E0 ; patch - don't increase lives
+
+DISABLE_ACCEL
jmp $7000
!if * > $1C0 {
!error "code is too large, ends at ", *
}