Apple-2-SW/dos33fsprogs
1
0
Fork 0
mirror of https://github.com/deater/dos33fsprogs.git synced 2024-07-05 00:28:59 +00:00
Code Issues Projects Releases Wiki Activity

remove some unnecessary clc

Browse Source
This commit is contained in:
Peter Ferrie 2019-06-01 00:15:50 -04:00 committed by Vince Weaver
parent 79e7fca824
commit 0ee00c4c54
1 changed files with 4 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
pt3_player/pt3_lib.s
View File

@ -277,7 +277,6 @@ load_ornament:
;pt3->ornament_patterns[i]=
; (pt3->data[0xaa+(i*2)]<<8)|pt3->data[0xa9+(i*2)];
clc ; 2
asl ; A*2 ; 2
adc #PT3_ORNAMENT_LOC_L ; 2
tay ; 2
@ -289,7 +288,6 @@ load_ornament:
iny ; 2
lda PT3_LOC,Y ; 4+
clc ; 2
; we're assuming PT3 is loaded to a page boundary
@ -314,7 +312,6 @@ load_ornament:
; Set the pointer to the value past the length
clc ; 2
lda ORNAMENT_L ; 3
adc #$2 ; 2
sta note_a+NOTE_ORNAMENT_POINTER_L,X ; 5
@ -327,7 +324,7 @@ load_ornament:
rts ; 6
;============
; 93
; 87
;===========================
; Load Sample
@ -353,7 +350,6 @@ load_sample:
;pt3->ornament_patterns[i]=
; (pt3->data[0x6a+(i*2)]<<8)|pt3->data[0x69+(i*2)];
clc ; 2
asl ; A*2 ; 2
adc #PT3_SAMPLE_LOC_L ; 2
tay ; 2
@ -366,7 +362,6 @@ load_sample:
iny ; 2
lda PT3_LOC,Y ; 4+
clc ; 2
; assume pt3 file is at page boundary
adc #>PT3_LOC ; 2
@ -388,7 +383,6 @@ load_sample:
; Set pointer to beginning of samples
clc ; 2
lda SAMPLE_L ; 3
adc #$2 ; 2
sta note_a+NOTE_SAMPLE_POINTER_L,X ; 5
@ -400,14 +394,15 @@ load_sample:
rts ; 6
;============
; 86
; 80
;====================================
; pt3_init_song
;====================================
;
; TODO: change to a memset type instruction?
; it will save bytes only if the labels are adjacent
; it will add a lot more cycles, though
pt3_init_song:
lda #$f ; 2
sta note_a+NOTE_VOLUME ; 4