Subject: [stella] Does this look right? (clock) (fwd) From: Chris Wilkson - MCD <cwilkson@xxxxxxxxxxxxx> Date: Wed, 1 Oct 1997 15:33:49 -0700 (PDT) |
> lda FRAMES > cmp #$3C ;60 frames = 1 second (change to 50 for PAL) > bmi upfrm > lda #$00 > sta FRAMES > lda SECS > cmp #$32 ;60 seconds > bmi upsec > lda #$00 > sta SECS > lda MINS > cmp #$32 ;60 minutes > bmi upmin > lda #$00 > sta MINS > lda HOURS > cmp #$18 ;24 hours > bmi uphrs > lda #$00 > sta HOURS > inc DAYS ;new day > jmp upfrm Well, on first glance, I see a lot of LDA #0, STA sequences. How about preloading the X reg with a zero and using STX instead? This would save the repetive LDA #0 lines. More suggestions to come...(hopefully) -Chris -- Archives updated once/day at http://www.biglist.com/lists/stella/archives/ Unsubscribing and other info at http://www.biglist.com/lists/stella/stella.html
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Re: [stella] Does this look right? , Erik Mooney | Thread | Re: [stella] Does this look right? , Chris Wilkson - MCD |
[stella] Does this look right? (clo, crackers | Date | Re: [stella] Does this look right? , Erik Mooney |
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