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34 lines
590 B
NASM
34 lines
590 B
NASM
// Test a for-loop with two iterating variables
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// Illustrates that for()-loops currently cannot contain two variable declarations.
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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main: {
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.label SCREEN = $400
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.label sc = 2
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lda #<SCREEN+$27
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sta.z sc
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lda #>SCREEN+$27
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sta.z sc+1
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ldx #0
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__b1:
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// for( byte i=0; i<40; i++, sc--)
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cpx #$28
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bcc __b2
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// }
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rts
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__b2:
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// *sc = i
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txa
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ldy #0
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sta (sc),y
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// for( byte i=0; i<40; i++, sc--)
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inx
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lda.z sc
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bne !+
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dec.z sc+1
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!:
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dec.z sc
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jmp __b1
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}
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