4cade/src/demo/alien.typhoon.a
frankmilliron 35509c7666
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2021-10-26 20:11:02 -04:00

61 lines
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;license:MIT
;(c) 2021 by Frank M./qkumba
!cpu 6502
!to "res/DEMO/ALIEN.TYPHOON",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 #$61
sta $471C
lda #$7E
sta $4720
lda #$12
sta $4724
lda #$60
sta $472F
jsr $4710 ; decompress
lda #0
sta $2067
lda #1
sta $206C ; reset vector patch
lda #$60
sta $2075
jsr $2001 ; unpack
lda #$4C
sta $9D58
sta $8FD6
sta $8FEF
sta $92B1
lda #0
sta $9D58+1
sta $8FD6+1
sta $8FEF+1
sta $92B1+1
lda #1
sta $9D58+2
sta $8FD6+2
sta $8FEF+2
sta $92B1+2 ; set exits
+DISABLE_ACCEL
jmp $8F98
title !byte x_e-x_b
x_b !text "X/ALIEN.TYPHOON/ALIEN.TYPHOON"
x_e
!if * > $3F0 {
!error "code is too large, ends at ", *
}