2021-07-15 23:57:21 +00:00
|
|
|
;license:MIT
|
|
|
|
;(c) 2021 by qkumba
|
|
|
|
|
|
|
|
!cpu 6502
|
2021-10-16 01:34:39 +00:00
|
|
|
!to "build/PRELAUNCH.INDEXED/TRACK.ATTACK",plain
|
2021-07-15 23:57:21 +00:00
|
|
|
*=$106
|
|
|
|
|
|
|
|
!source "src/prelaunch/common.a"
|
|
|
|
|
|
|
|
+ENABLE_ACCEL
|
|
|
|
lda #$60
|
|
|
|
sta $9C9
|
|
|
|
jsr $800 ; load "DOS"
|
|
|
|
lda #<callback
|
|
|
|
sta $BF08
|
|
|
|
lda #>callback
|
|
|
|
sta $BF09
|
|
|
|
jmp $BF00 ; decompress
|
|
|
|
|
|
|
|
callback
|
|
|
|
pha
|
|
|
|
txa
|
|
|
|
pha
|
|
|
|
+ENABLE_ACCEL
|
|
|
|
pla
|
|
|
|
tax
|
|
|
|
pla
|
|
|
|
jsr $400
|
2022-05-19 04:42:49 +00:00
|
|
|
+READ_RAM2_NO_WRITE
|
|
|
|
lda MachineStatus
|
|
|
|
and #CHEATS_ENABLED
|
|
|
|
beq +
|
|
|
|
lda $9FC
|
|
|
|
cmp #$C6
|
|
|
|
bne +
|
|
|
|
lda #$A5
|
|
|
|
sta $9FC
|
|
|
|
sta $10E4
|
|
|
|
+
|
|
|
|
jsr DisableAccelerator
|
|
|
|
+READ_ROM_NO_WRITE
|
2021-07-15 23:57:21 +00:00
|
|
|
jmp $800
|
|
|
|
|
|
|
|
!if * > $1C0 {
|
|
|
|
!error "code is too large, ends at ", *
|
|
|
|
}
|