4cade/src/prelaunch/bubble.head.a

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793 B
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;license:MIT
;(c) 2022 by qkumba
!cpu 6502
!to "build/PRELAUNCH.INDEXED/BUBBLE.HEAD",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $19FD
jsr $199B ; decompress
+READ_RAM2_NO_WRITE
lda MachineStatus
and #CHEATS_ENABLED
beq +
lda #$ad
sta $642F ; patch - don't decrease lives
sta $78D8 ; patch - don't increase lives
sta $71E8 ; patch - don't decrease bombs
+
+NEW_RESET_VECTOR $80
lda #$80
sta $6001
asl
sta $6006
jsr DisableAccelerator
+READ_ROM_NO_WRITE
jmp $6000
!if * > $1C0 {
!error "code is too large, ends at ", *
}