diff options
Diffstat (limited to 'hacks/images/m6502/spacer.asm')
| -rw-r--r-- | hacks/images/m6502/spacer.asm | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/hacks/images/m6502/spacer.asm b/hacks/images/m6502/spacer.asm deleted file mode 100644 index bdecbb5..0000000 --- a/hacks/images/m6502/spacer.asm +++ /dev/null @@ -1,235 +0,0 @@ -; "spacer", move a space ship through an
-; endless tunnel. You die once you hit
-; the walls.
-;
-; Controls:
-;
-; W - move up
-; X - move down
-; Any other key will stop the ship
-;
-; Ps: this game runs awfully slow =)
-;
-
-start:
- jsr init
-
-loop:
- ;; jsr drawShip
- jsr drawMap
- jsr genMap
- jsr readKeys
- jmp loop
-
-;--
-
-drawShip:
- lda $82 ; mychange
-; asl
- tay
-
- lda ypos,y
- sta $00
- iny
- lda ypos,y
- sta $01
-
- ldx #42
- lda ($00,x)
- cmp #0
- beq noCrash
- cmp #5
-; bne crashed
-;my changes
-noCrash:
- lda #5
- sta ($00,x)
-
- lda $60
- cmp $61
- beq ret
-
- lda $61
- asl
- tay
- lda ypos,y
- sta $00
- iny
- lda ypos,y
- sta $01
- lda #0
- ldx #42
- sta ($00,x)
-
- lda $60
- sta $61
-ret:
- rts
-
-;--
-
-crashed:
- lda $fe
- sta ($00,x)
- jmp crashed
-
-;--
-
-readKeys:
- lda $ff
- cmp #119
- bne notUp
- dec $60
- rts
-notUp:
- cmp #120
- bne noMove
- inc $60
-noMove:
- rts
-
-;--
-
-init:
- ldx #0
-drawLogo:
- lda bottomLogo,x
- sta $500,x
- inx
- cpx #0
- bne drawLogo
-
- lda #10
- sta $60
- sta $61
-
- ldx #0
- lda #$c
-c:sta $200,x
- sta $400,x
- dex
- cpx #0
- bne c
-
- lda #16
- sta $80 ; origin
- ldx #15
-set:
- sta $81,x ; target
- dex
- bpl set
- rts
-
-;--
-
-drawMap:
- lda #0
- sta $78
- lda #32
- sta $79
- lda #192
- sta $7a
- lda #224
- sta $7b
-
- ldx #15
-drawLoop:
- lda $81,x
- sta $82,x
- tay
- lda ypos,y
- sta $00
- iny
- lda ypos,y
- sta $01
-
- lda #$c
- ldy $78
- sta ($00),y
- iny
- sta ($00),y
-
- ldy $7b
- sta ($00),y
- iny
- sta ($00),y
-
- ldy $79
- lda #0
- sta ($00),y
- iny
- sta ($00),y
-
- ldy $7a
- sta ($00),y
- iny
- sta ($00),y
-
- inc $78
- inc $79
- inc $7a
- inc $7b
- inc $78
- inc $79
- inc $7a
- inc $7b
- dex
- bpl drawLoop
- rts
-
-;---
-
-genMap:
- lda $80
- cmp $81
- beq done
- lda $80
- clc
- sbc $81
- bpl plus
- bmi minus
-done:
- lda $fe
- and #$f
- asl
- sta $80
- rts
-minus:
- dec $81
- dec $81
- rts
-plus:
- inc $81
- inc $81
- rts
-
-ypos:
- dcb $00,$02,$20,$02,$40,$02,$60,$02
- dcb $80,$02,$a0,$02,$c0,$02,$e0,$02
- dcb $00,$03,$20,$03,$40,$03,$60,$03
- dcb $80,$03,$a0,$03,$c0,$03,$e0,$03
- dcb $00,$04,$20,$04,$40,$04,$60,$04
- dcb $80,$04,$a0,$04,$c0,$04,$e0,$04
- dcb $00,$05,$20,$05,$40,$05,$60,$05
- dcb $80,$05,$a0,$05,$c0,$05,$e0,$05
-
-bottomLogo:
- dcb $0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0
- dcb $0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0,$0
- dcb $0,$0,$0,$0,$0,$0,$1,$1,$1,$6,$1,$1,$1,$0
- dcb $0,$6,$1,$1,$6,$0,$0,$1,$1,$1,$6,$0,$1,$1
- dcb $1,$0,$1,$1,$1,$6,$0,$0,$6,$1,$6,$0,$6,$0
- dcb $1,$0,$6,$1,$6,$1,$6,$0,$1,$0,$1,$0,$6,$0
- dcb $6,$1,$6,$0,$6,$0,$1,$0,$6,$1,$6,$0,$0,$6
- dcb $1,$1,$6,$6,$1,$1,$1,$0,$6,$1,$0,$0,$1,$0
- dcb $1,$6,$0,$6,$6,$1,$1,$1,$0,$6,$1,$0,$6,$1
- dcb $0,$6,$6,$6,$6,$6,$1,$6,$1,$1,$6,$6,$6,$1
- dcb $1,$1,$1,$6,$1,$6,$6,$6,$6,$1,$6,$6,$6,$6
- dcb $1,$1,$1,$6,$6,$6,$6,$1,$1,$1,$1,$e,$1,$1
- dcb $e,$6,$6,$1,$1,$6,$1,$6,$1,$1,$1,$1,$e,$1
- dcb $1,$1,$1,$6,$1,$1,$6,$1,$6,$6,$6,$1,$1,$1
- dcb $6,$e,$1,$1,$6,$e,$6,$1,$1,$e,$1,$e,$6,$1
- dcb $1,$1,$6,$e,$1,$1,$1,$e,$1,$1,$6,$1,$6,$e
- dcb $e,$e,$6,$e,$e,$6,$e,$e,$6,$e,$e,$6,$e,$e
- dcb $6,$e,$e,$6,$e,$e,$6,$e,$e,$6,$e,$e,$6,$e
- dcb $e,$6,$e,$e
|
