4cade/src/prelaunch/jovian.attack.a

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;license:MIT
;(c) 2022 by qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/JOVIAN.ATTACK",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #<callback
sta $404D
lda #>callback
sta $404E
jmp $4000 ; decompress
callback
+READ_RAM2_NO_WRITE
lda MachineStatus
and #CHEATS_ENABLED
beq +
lda #$a5
sta $11D2 ; patch - don't decrease lives
+
jsr DisableAccelerator
+READ_ROM_NO_WRITE
jmp $46E
!if * > $1C0 {
!error "code is too large, ends at ", *
}