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Change shots to be single-shot and 8x8 sprite size.

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Colin McMillen 2015-06-01 19:42:19 -04:00
parent a92499fc40
commit f5b67dd535
2 changed files with 7 additions and 5 deletions
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12
pewpew.asm
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@ -65,8 +65,8 @@ Start:
lda #%11000001 lda #%11000001
sta BGMODE sta BGMODE
; Set sprite size to 16x16 (small) and 32x32 (large). ; Set sprite size to 8x8 (small) and 32x32 (large).
lda #%01100000 lda #%00100000
sta OAMSIZE sta OAMSIZE
; Main screen: enable sprites & BG3. ; Main screen: enable sprites & BG3.
@ -429,15 +429,17 @@ MaybeShoot:
lda playerX lda playerX
clc clc
adc #20 adc #28
sta 1, X sta 1, X
lda playerY lda playerY
clc
adc #14
sta 2, X sta 2, X
; Get x- and y-velocity out of shotVelocityTable. ; Get x- and y-velocity out of shotVelocityTable.
lda nextShotState lda nextShotState
and #%00000111 ; 8 possibilities. and #%00000000 ; 8 possibilities if we use #%00000111.
ldy #0 ldy #0
- -
cmp #0 cmp #0
@ -686,7 +688,7 @@ UpdateSprites:
; Update secondary sprite table. ; Update secondary sprite table.
phy ; Save playerShotArray index. phy ; Save playerShotArray index.
ldy $00 ldy $00
lda #%11000000 lda #%01000000
sta spriteTableScratchStart, Y sta spriteTableScratchStart, Y
iny iny
sty $00 sty $00

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sprites32.pcx
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