4cade/src/demo/snake.byte.a

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2022-07-21 23:41:23 +00:00
;license:MIT
;(c) 2022 by qkumba
!cpu 6502
!to "res/DEMO/SNAKE.BYTE",plain
*=$300
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
+LOAD_FILE_AT title, $00
lda #$B9
sta $842
lda #$60
sta $0858
jsr $0800 ; decompress
lda #$4C
sta $621F
ldx #0
stx $6220
stx $7807
stx $78ae
stx $7a11
stx $6414
stx $6465
stx $64A4
stx $64B5
stx $64C3
stx $6C13
stx $7975
inx
stx $6221
stx $7808
stx $78af
stx $7a19
inc $7A26
lda #$2C
sta $7A12
sta $7A1A
jsr DisableAccelerator
+READ_ROM_NO_WRITE
jmp $7680
title !byte x_e-x_b
x_b !text "X/SNAKE.BYTE/SNAKE.BYTE"
x_e
!if * > $3F0 {
!error "code is too large, ends at ", *
}