4cade/src/demo/labyrinth.a
2022-09-30 20:04:02 -04:00

54 lines
1.1 KiB
Plaintext

;license:MIT
;(c) 2021-2022 by Frank M., qkumba
!cpu 6502
!to "build/DEMO/LABYRINTH#060310",plain
*=$310
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
+LOAD_FILE_KEEP_DIR labyrinth, labyrinth_dir_e-labyrinth_dir_b
lda #$60
sta $3874
jsr $37F6 ; decompress
lda #$D0
sta $1072
sta $107A ; disable sound
lda #$60
sta $BC41
+DISABLE_ACCEL
jsr $BC00 ; show title animation
ldx #3-1
- lda patch,x
sta $1E66,x
sta $1EE9,x
sta $8CAA,x ; set exits
lda patch2,x
sta $1F00,x ; disable joystick button detection
dex
bpl -
jmp $1E3E
patch !byte $4C,$00,$01
patch2 !byte $EA,$A9,$00
labyrinth
!byte labyrinth_e-labyrinth_b
labyrinth_b
labyrinth_dir_b
!text "X/LABYRINTH"
labyrinth_dir_e
!text "/LABYRINTH"
labyrinth_e
!if * > $BFD0 {
!error "code is too large, ends at ", *
}