4cade/src/demo/alien.ambush.a

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2022-07-22 00:04:58 +00:00
;license:MIT
;(c) 2022 by qkumba
!cpu 6502
!to "res/DEMO/ALIEN.AMBUSH",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
+NEW_RESET_VECTOR $3E0 ; overwrites $101 at end of demo cycle
lda #$60
sta $81c
jsr $800 ; decompress
lda #$4C
sta $60CA
sta $6040
lda #$E0
sta $60CB
sta $6041
lda #3
sta $60CC
sta $6042
jsr DisableAccelerator
+READ_ROM_NO_WRITE
jmp $4000
title !byte x_e-x_b
x_b !text "X/ALIEN.AMBUSH/ALIEN.AMBUSH"
x_e
!if * > $3F0 {
!error "code is too large, ends at ", *
}