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ds: fix timing on rest

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This commit is contained in:
Vince Weaver
2019-11-08 13:36:21 -05:00
parent d77333b516
commit 6f4e862cf8
2 changed files with 14 additions and 15 deletions
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15
demosplash/credits.s
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@@ -167,15 +167,15 @@ credits_loop:
; -10 -- keypress
; -12 -- call/return of draw code
; -446 -- do_words
;-1239 -- play music
;-1243 -- play music
; -8 -- wrap
;=======
; 1557 //2804
; 1553 //2804
lda FRAME_PLAY_PAGE ; 3
and #$3 ; 2
sta FRAME_PLAY_PAGE ; 3
jsr play_frame_compressed ; 6+1233
jsr play_frame_compressed ; 6+1237
pad_time:
@@ -356,14 +356,13 @@ pad_time:
; WAIT for VBLANK to finish
;============================
; want 1557
; want 1553
; Try X=3 Y=74 cycles=1555R2
; Try X=2 Y=97 cycles=1553
nop
ldy #74 ; 2
tloop1: ldx #3 ; 2
ldy #97 ; 2
tloop1: ldx #2 ; 2
tloop2: dex ; 2
bne tloop2 ; 2nt/3
dey ; 2

14
demosplash/reading.s
View File

@@ -156,24 +156,24 @@ book_loop:
; 4550
; -12 -- enter/leave flip code
; -10 -- keypress code
; -1239
; -1243
; =======
; 3289 cycles
; 3285 cycles
jsr play_frame_compressed ; 6+1233
jsr play_frame_compressed ; 6+1237
;=================================
; do nothing
;=================================
; and take 3289
; and take 3285
book_do_nothing:
; Try X=81 Y=8 cycles=3289
; Try X=163 Y=4 cycles=3285
ldy #8 ; 2
ldy #4 ; 2
bloop1:
ldx #81 ; 2
ldx #163 ; 2
bloop2:
dex ; 2
bne bloop2 ; 2nt/3