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46 lines
623 B
NASM
46 lines
623 B
NASM
// Tests using integer conditions in while() / for() / do..while
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// This should produce 'ba ba ba' at the top of the screen
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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.label SCREEN = $400
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main: {
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ldy #0
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ldx #2
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// for()
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__b1:
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cpx #0
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bne __b2
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lda #' '
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sta SCREEN,y
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iny
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lda #3
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__b4:
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sec
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sbc #1
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cmp #0
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bne __b5
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lda #' '
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sta SCREEN,y
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iny
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lda #2
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__b7:
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sta SCREEN,y
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iny
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sec
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sbc #1
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cmp #0
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bne __b7
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rts
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__b5:
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sta SCREEN,y
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iny
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jmp __b4
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__b2:
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txa
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sta SCREEN,y
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iny
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dex
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jmp __b1
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}
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