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pt3_player: fix the putsprite code

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This commit is contained in:
Peter Ferrie 2019-06-07 21:35:42 -04:00 committed by Vince Weaver
parent 1c5c19656e
commit 4fafd910be
1 changed files with 6 additions and 4 deletions
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10
pt3_player/gr_putsprite.s
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@ -25,7 +25,7 @@ put_sprite:
;===========
; 25
put_sprite_loop:
stx TEMPY ; as we modify it ; 3
stx put_sprite_loop_smc+1 ; as we modify it ; 4
lda gr_offsets,X ; lookup low-res memory address ; 4
clc ; 2
adc XPOS ; add in xpos ; 3
@ -43,7 +43,7 @@ put_sprite_pixel:
lda (INL),Y ; get sprite colors ; 5
iny ; increment sprite pointer ; 2
sty TEMP ; save sprite pointer ; 3
sty put_sprite_pixel_smc+1 ; save sprite pointer ; 4
sprite_color_smc:
@ -77,7 +77,8 @@ sprite_color_smc:
put_sprite_done_draw:
ldy TEMP ; restore sprite pointer ; 3
put_sprite_pixel_smc:
ldy #$d1 ; restore sprite pointer ; 2
inc OUTL ; increment output pointer ; 5
dex ; decrement x counter ; 2
@ -85,7 +86,8 @@ put_sprite_done_draw:
;==============
; 12/13
ldx TEMPY ; 3
put_sprite_loop_smc:
ldx #$d1 ; 2
inx ; each line has two y vars ; 2
inx ; 2
dec CV ; decemenet total y count ; 5