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make sure clocktick starts at zero

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mrdudz
2015-07-16 16:54:40 +02:00
parent 21d7729ad1
commit d229d51be5
2 changed files with 23 additions and 13 deletions
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10
libsrc/pce/clock.s
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@@ -19,3 +19,13 @@
rts rts
.endproc .endproc
.constructor initclock, 24
initclock:
lda #0
ldx #3
@lp: sta tickcount,x
dex
bpl @lp
rts

4
libsrc/pce/crt0.s
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@@ -88,8 +88,6 @@ start:
lda #$05 lda #$05
sta IRQ_MASK ; IRQ1=on sta IRQ_MASK ; IRQ1=on
cli
; Clear the BSS data ; Clear the BSS data
jsr zerobss jsr zerobss
@@ -141,6 +139,8 @@ start:
; Call module constructors ; Call module constructors
jsr initlib jsr initlib
cli ; allow IRQ only after constructors have run
; Pass an empty command line ; Pass an empty command line
jsr push0 ; argc jsr push0 ; argc
jsr push0 ; argv jsr push0 ; argv