mirror of https://github.com/a2-4am/4cade.git
49 lines
1.0 KiB
Plaintext
49 lines
1.0 KiB
Plaintext
;license:MIT
|
|
;(c) 2022 by qkumba
|
|
|
|
!cpu 6502
|
|
!to "build/DEMO/SPARE.CHANGE#060200",plain
|
|
*=$200
|
|
|
|
!source "src/constants.a" ; no code in these
|
|
!source "src/macros.a"
|
|
|
|
+READ_RAM2_WRITE_RAM2
|
|
jsr EnableAccelerator
|
|
+LOAD_FILE_KEEP_DIR spare_change, spare_change_dir_e-spare_change_dir_b
|
|
lda #>(callback - 1)
|
|
sta $277A
|
|
lda #<(callback - 1)
|
|
sta $277D
|
|
jmp $2700 ; decompress
|
|
|
|
callback
|
|
lda #$4C
|
|
sta $182F
|
|
jsr $2000
|
|
lda #$44
|
|
sta $7A34
|
|
ldx #3-1
|
|
- lda patch,x
|
|
sta $7F6F,x
|
|
sta $8E1C,x
|
|
dex
|
|
bpl -
|
|
+DISABLE_ACCEL
|
|
jmp $1832
|
|
|
|
patch !byte $4C,$00,$01
|
|
|
|
spare_change
|
|
!byte spare_change_e-spare_change_b
|
|
spare_change_b
|
|
spare_change_dir_b
|
|
!text "X/SPARE.CHANGE"
|
|
spare_change_dir_e
|
|
!text "/SPARE.CHANGE"
|
|
spare_change_e
|
|
|
|
!if * > $3F0 {
|
|
!error "code is too large, ends at ", *
|
|
}
|