4cade/src/demo/moon.patrol.a

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;license:MIT
;(c) 2021-2022 by Frank M., qkumba
!cpu 6502
!to "build/DEMO/MOON.PATROL#060200",plain
*=$200
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+ENABLE_ACCEL_LC
+LOAD_XSINGLE title
lda #$60
sta $49DD
jsr $800
ldx #3-1
- lda patch2,x
sta $2A95,x
sta $2A7E,x
sta $0C31,x
sta $2E80,x ; exit on keypress/end of demo
dex
bpl -
lda #$A2
sta $0996
stx $0996+1
lda #$9A
sta $0996+2 ; prevent stack pointer from overwriting $100
ldx #26-1
- lda patch, x
sta $2726, x
dex
bpl - ; exit on keypress during title screen
lda #$2C
sta $2A61
sta $2A88 ; disable options screen
+DISABLE_ACCEL
jmp $919
title !byte x_e-x_b
x_b !text "MOON.PATROL"
x_e
patch !byte $20,$B8,$0A,$2C,$10,$C0,$A2,$41,$A9,$FF,$20,$A8,$FC,$AD,$00,$C0,$10,$05
patch2 !byte $4C,$00,$01,$EA,$EA,$CA,$D0,$EE
!if * > $3F0 {
!error "code is too large, ends at ", *
}