mirror of https://github.com/a2-4am/4cade.git
41 lines
775 B
Plaintext
Executable File
41 lines
775 B
Plaintext
Executable File
;license:MIT
|
|
;(c) 2019 by qkumba/Frank M.
|
|
|
|
!cpu 6502
|
|
!to "build/PRELAUNCH.INDEXED/BU",plain
|
|
*=$106
|
|
|
|
!source "src/prelaunch/common.a"
|
|
|
|
+ENABLE_ACCEL
|
|
lda #$60
|
|
sta $3ec9
|
|
sta $3f09
|
|
jsr $3e97
|
|
+DISABLE_ACCEL
|
|
lda #$b1
|
|
sta $646b
|
|
jsr $6400
|
|
+ENABLE_ACCEL
|
|
jsr $811
|
|
+GET_MACHINE_STATUS
|
|
and #CHEATS_ENABLED
|
|
beq +
|
|
lda #$24
|
|
sta $a433
|
|
sta $96ea
|
|
sta $94d1
|
|
sta $9768
|
|
+
|
|
lda #0
|
|
sta $A30A
|
|
lda #1
|
|
sta $A30F ; reset vector patch
|
|
|
|
+DISABLE_ACCEL
|
|
jmp $a300
|
|
|
|
!if * > $1C0 {
|
|
!error "code is too large, ends at ", *
|
|
}
|