diff options
Diffstat (limited to 'test/common.s')
| -rw-r--r-- | test/common.s | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/test/common.s b/test/common.s new file mode 100644 index 0000000..f0e9fb9 --- /dev/null +++ b/test/common.s @@ -0,0 +1,83 @@ +.segment "HEADER" + .byte 'N', 'E', 'S', $1A + + .byte $02 + .byte $01 + + .byte $00 + .byte $00 + +.segment "VECTORS" + .addr nmi, reset, irq + +.segment "CHARS" +.segment "STARTUP" +.segment "CODE" + +.include "../list.s" + +reset: + sei + cld + + ldx #$40 + stx $4017 + + ldx #$ff + txs + + inx + stx $2000 + stx $2001 + stx $4010 + +@vblankwait1: + bit $2002 + bpl @vblankwait1 + + ldx #0 + lda #0 +@ram_reset_loop: + sta $000, x + sta $100, x + sta $300, x + sta $400, x + sta $500, x + sta $600, x + sta $700, x + inx + bne @ram_reset_loop + + lda #$ef +@sprite_reset_loop: + sta $200, x + inx + bne @sprite_reset_loop + + lda #$00 + sta $2003 + lda #$02 + sta $4014 + +@vblankwait2: + bit $2002 + bpl @vblankwait2 + + lda #$3F + sta $2006 + lda #$00 + sta $2006 + + lda #$0F + ldx #$20 +@palettes_reset_loop: + sta $2007 + dex + bne @palettes_reset_loop + + jmp main + +;; Unused +nmi: +irq: + rti |
