4cade/src/demo/aquatron.a

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;license:MIT
;(c) 2021-2022 by Frank M., qkumba
!cpu 6502
!to "build/DEMO/AQUATRON#06BD00",plain
*=$BD00
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+ENABLE_ACCEL_LC
+LOAD_XSINGLE title
lda #>(callback - 1)
sta $5FC3
lda #<(callback - 1)
sta $5FC6
jmp $59C2 ; decompress
callback
ldx #3-1
- lda patch,x
sta $7AE1,x
sta $7D1D,x ; set exits
dex
bpl -
lda #$D0
sta $7E11
sta $7E38
sta $7E43
sta $7EA0 ; disable sound
+DISABLE_ACCEL
jmp $400
patch !byte $4C,$00,$01
title !byte x_e-x_b
x_b !text "AQUATRON"
x_e
!if * > $BEFF {
!error "code is too large, ends at ", *
}