mirror of
https://github.com/a2-4am/4cade.git
synced 2024-12-21 17:31:08 +00:00
56 lines
1.1 KiB
Plaintext
56 lines
1.1 KiB
Plaintext
|
;license:MIT
|
||
|
|
;(c) 2021 by Frank M.
|
||
|
|
|
||
|
|
!cpu 6502
|
||
|
|
!to "res/DEMO/PEST.PATROL",plain
|
||
|
|
*=$300
|
||
|
|
|
||
|
|
!source "src/constants.a" ; no code in these
|
||
|
|
!source "src/macros.a"
|
||
|
|
|
||
|
|
+READ_RAM2_WRITE_RAM2
|
||
|
|
jsr EnableAccelerator
|
||
|
|
+LOAD_FILE_AT title, $00
|
||
|
|
|
||
|
|
lda #$60
|
||
|
|
sta $0837
|
||
|
|
jsr $0800 ; decompress
|
||
|
|
|
||
|
|
ldx #11-1
|
||
|
|
- lda patch, x
|
||
|
|
sta $47BA, x
|
||
|
|
dex
|
||
|
|
bpl - ; exit when user presses a key during main menu
|
||
|
|
|
||
|
|
lda #$4C
|
||
|
|
sta $57C4
|
||
|
|
sta $5589
|
||
|
|
sta $B493
|
||
|
|
lda #0
|
||
|
|
sta $57C4+1
|
||
|
|
sta $5589+1
|
||
|
|
sta $485A ; disable sound
|
||
|
|
sta $48AE ; disable sound
|
||
|
|
lda #1
|
||
|
|
sta $57C4+2
|
||
|
|
sta $5589+2
|
||
|
|
lda #$BD
|
||
|
|
sta $B493+1
|
||
|
|
lda #$47
|
||
|
|
sta $B493+2 ; set exits
|
||
|
|
|
||
|
|
+DISABLE_ACCEL
|
||
|
|
|
||
|
|
jmp $4003
|
||
|
|
|
||
|
|
title !byte x_e-x_b
|
||
|
|
x_b !text "X/PEST.PATROL/PEST.PATROL"
|
||
|
|
x_e
|
||
|
|
|
||
|
|
patch !byte $4C,$00,$01,$AD,$00,$C0,$30,$F8,$4C,$90,$B3
|
||
|
|
|
||
|
|
|
||
|
|
!if * > $3F0 {
|
||
|
|
!error "code is too large, ends at ", *
|
||
|
|
}
|