2018-01-01 14:59:15 +00:00
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.pc = $801 "Basic"
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:BasicUpstart(main)
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.pc = $80d "Program"
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2019-07-31 11:47:21 +00:00
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.label print_char_cursor = 7
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2020-03-08 22:26:49 +00:00
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.label print_line_cursor = 4
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2018-01-01 14:59:15 +00:00
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main: {
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2019-07-31 11:47:21 +00:00
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.label b = $c
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2018-01-01 14:59:15 +00:00
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.label a = 2
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2018-01-01 21:59:06 +00:00
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.label i = 3
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2020-02-23 08:44:36 +00:00
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// print_cls()
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2018-01-01 14:59:15 +00:00
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jsr print_cls
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2018-03-25 21:40:38 +00:00
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lda #<$400
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2019-08-07 19:00:19 +00:00
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sta.z print_line_cursor
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2018-03-25 21:40:38 +00:00
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lda #>$400
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2019-08-07 19:00:19 +00:00
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sta.z print_line_cursor+1
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2018-01-01 21:59:06 +00:00
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lda #0
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2019-08-07 19:00:19 +00:00
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sta.z i
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2018-03-25 21:40:38 +00:00
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lda #<$400
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2019-08-07 19:00:19 +00:00
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sta.z print_char_cursor
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2018-03-25 21:40:38 +00:00
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lda #>$400
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2019-08-07 19:00:19 +00:00
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sta.z print_char_cursor+1
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2018-01-01 21:59:06 +00:00
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lda #7
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2019-08-07 19:00:19 +00:00
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sta.z a
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2019-09-29 21:13:37 +00:00
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__b1:
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2020-02-23 08:44:36 +00:00
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// b = $ce-a
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2018-01-02 09:17:59 +00:00
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lda #$ce
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2018-01-01 14:59:15 +00:00
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sec
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2019-08-07 19:00:19 +00:00
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sbc.z a
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sta.z b
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2020-02-23 08:44:36 +00:00
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// if(a<b)
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2019-08-07 19:00:19 +00:00
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lda.z a
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cmp.z b
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2019-09-29 21:13:37 +00:00
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bcs b1
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2018-01-01 14:59:15 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b2
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b1:
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2018-01-01 14:59:15 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b2:
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2020-02-23 08:44:36 +00:00
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// printu(a, "< ", b, r)
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2019-08-07 19:00:19 +00:00
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lda.z b
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sta.z printu.b
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2018-01-02 09:17:59 +00:00
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lda #<op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2018-01-02 09:17:59 +00:00
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lda #>op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-01 14:59:15 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a<$37)
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2019-08-07 19:00:19 +00:00
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lda.z a
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2018-01-02 09:17:59 +00:00
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cmp #$37
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2019-09-29 21:13:37 +00:00
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bcs b2
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2018-01-01 14:59:15 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b3
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b2:
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2018-01-01 14:59:15 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b3:
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2020-02-23 08:44:36 +00:00
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// printu(a, "< ", $37, r)
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2018-01-02 09:17:59 +00:00
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lda #$37
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2019-08-07 19:00:19 +00:00
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sta.z printu.b
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2019-02-24 22:23:57 +00:00
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lda #<op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2019-02-24 22:23:57 +00:00
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lda #>op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-01 14:59:15 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a<cs[i])
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2019-08-07 19:00:19 +00:00
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lda.z a
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ldy.z i
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2018-01-01 14:59:15 +00:00
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cmp cs,y
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2019-09-29 21:13:37 +00:00
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bcs b3
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2018-01-01 14:59:15 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b4
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b3:
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2018-01-01 14:59:15 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b4:
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2020-02-23 08:44:36 +00:00
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// printu(a, "< ", cs[i], r)
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2019-08-07 19:00:19 +00:00
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ldy.z i
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2018-01-01 14:59:15 +00:00
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lda cs,y
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2019-08-07 19:00:19 +00:00
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sta.z printu.b
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2019-02-24 22:23:57 +00:00
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lda #<op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2019-02-24 22:23:57 +00:00
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lda #>op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-01 14:59:15 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a<a)
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2019-08-07 19:00:19 +00:00
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lda.z a
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cmp.z a
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2019-09-29 21:13:37 +00:00
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bcs b4
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2018-01-01 21:59:06 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b5
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b4:
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2018-01-01 21:59:06 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b5:
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2020-02-23 08:44:36 +00:00
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// printu(a, "< ", a, r)
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2019-08-07 19:00:19 +00:00
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lda.z a
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sta.z printu.b
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2019-02-24 22:23:57 +00:00
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lda #<op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2019-02-24 22:23:57 +00:00
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lda #>op
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-02 09:17:59 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// print_ln()
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2018-01-02 09:17:59 +00:00
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jsr print_ln
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2020-02-23 08:44:36 +00:00
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// if(a>b)
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2019-08-07 19:00:19 +00:00
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lda.z b
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cmp.z a
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2019-09-29 21:13:37 +00:00
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bcs b5
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2018-01-02 09:17:59 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b6
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b5:
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2018-01-02 09:17:59 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b6:
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2020-02-23 08:44:36 +00:00
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// printu(a, "> ", b, r)
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2019-08-07 19:00:19 +00:00
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lda.z b
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sta.z printu.b
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lda.z print_line_cursor
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sta.z print_char_cursor
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lda.z print_line_cursor+1
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sta.z print_char_cursor+1
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2020-02-23 08:44:36 +00:00
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// printu(a, "> ", b, r)
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2018-01-02 09:17:59 +00:00
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lda #<op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2018-01-02 09:17:59 +00:00
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lda #>op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-02 09:17:59 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a>$37)
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2019-08-07 19:00:19 +00:00
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lda.z a
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2019-04-10 14:06:03 +00:00
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cmp #$37+1
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2019-09-29 21:13:37 +00:00
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bcc b6
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2018-01-02 09:17:59 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b7
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b6:
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2018-01-02 09:17:59 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b7:
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2020-02-23 08:44:36 +00:00
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// printu(a, "> ", $37, r)
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2018-01-02 09:17:59 +00:00
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lda #$37
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2019-08-07 19:00:19 +00:00
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sta.z printu.b
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2019-02-24 22:23:57 +00:00
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lda #<op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2019-02-24 22:23:57 +00:00
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lda #>op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-02 09:17:59 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a>cs[i])
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2019-08-07 19:00:19 +00:00
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ldy.z i
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2018-01-05 21:29:21 +00:00
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lda cs,y
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2019-08-07 19:00:19 +00:00
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cmp.z a
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2019-09-29 21:13:37 +00:00
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bcs b7
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2018-01-02 09:17:59 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b8
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b7:
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2018-01-02 09:17:59 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b8:
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2020-02-23 08:44:36 +00:00
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// printu(a, "> ", cs[i], r)
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2019-08-07 19:00:19 +00:00
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ldy.z i
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2018-01-02 09:17:59 +00:00
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lda cs,y
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2019-08-07 19:00:19 +00:00
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sta.z printu.b
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2019-02-24 22:23:57 +00:00
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lda #<op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2019-02-24 22:23:57 +00:00
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lda #>op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-02 09:17:59 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a>a)
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2019-08-07 19:00:19 +00:00
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lda.z a
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cmp.z a
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2019-09-29 21:13:37 +00:00
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bcs b8
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2018-01-02 09:17:59 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b9
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b8:
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2018-01-02 09:17:59 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b9:
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2020-02-23 08:44:36 +00:00
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// printu(a, "> ", a, r)
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2019-08-07 19:00:19 +00:00
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lda.z a
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sta.z printu.b
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2019-02-24 22:23:57 +00:00
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lda #<op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2019-02-24 22:23:57 +00:00
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lda #>op4
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2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-02 09:17:59 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// print_ln()
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2018-01-02 09:17:59 +00:00
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jsr print_ln
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2020-02-23 08:44:36 +00:00
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// if(a<=b)
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2019-08-07 19:00:19 +00:00
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lda.z b
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cmp.z a
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2019-09-29 21:13:37 +00:00
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bcc b9
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2018-01-02 09:17:59 +00:00
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ldx #'+'
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2019-09-29 21:13:37 +00:00
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jmp __b10
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b9:
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2018-01-02 09:17:59 +00:00
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ldx #'-'
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2019-09-29 21:13:37 +00:00
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__b10:
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2020-02-23 08:44:36 +00:00
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// printu(a, "<=", b, r)
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2019-08-07 19:00:19 +00:00
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lda.z b
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sta.z printu.b
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lda.z print_line_cursor
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sta.z print_char_cursor
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lda.z print_line_cursor+1
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sta.z print_char_cursor+1
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2020-02-23 08:44:36 +00:00
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// printu(a, "<=", b, r)
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2018-01-02 09:17:59 +00:00
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lda #<op8
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2019-08-07 19:00:19 +00:00
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sta.z printu.op
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2018-01-02 09:17:59 +00:00
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lda #>op8
|
2019-08-07 19:00:19 +00:00
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sta.z printu.op+1
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2018-01-02 09:17:59 +00:00
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jsr printu
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2020-02-23 08:44:36 +00:00
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// if(a<=$37)
|
2019-08-07 19:00:19 +00:00
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lda.z a
|
2019-04-10 14:06:03 +00:00
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cmp #$37+1
|
2019-09-29 21:13:37 +00:00
|
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|
bcs b10
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2018-01-02 09:17:59 +00:00
|
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ldx #'+'
|
2019-09-29 21:13:37 +00:00
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jmp __b11
|
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b10:
|
2018-01-02 09:17:59 +00:00
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ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
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__b11:
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2020-02-23 08:44:36 +00:00
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|
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// printu(a, "<=", $37, r)
|
2018-01-02 09:17:59 +00:00
|
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lda #$37
|
2019-08-07 19:00:19 +00:00
|
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sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op8
|
2019-08-07 19:00:19 +00:00
|
|
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sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op8
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
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jsr printu
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2020-02-23 08:44:36 +00:00
|
|
|
// if(a<=cs[i])
|
2019-08-07 19:00:19 +00:00
|
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ldy.z i
|
2018-01-05 21:29:21 +00:00
|
|
|
lda cs,y
|
2019-08-07 19:00:19 +00:00
|
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|
cmp.z a
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc b11
|
2018-01-02 09:17:59 +00:00
|
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|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b12
|
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|
b11:
|
2018-01-02 09:17:59 +00:00
|
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|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b12:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "<=", cs[i], r)
|
2019-08-07 19:00:19 +00:00
|
|
|
ldy.z i
|
2018-01-02 09:17:59 +00:00
|
|
|
lda cs,y
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op8
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op8
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
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jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a<=a)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
cmp.z a
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc b12
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b13
|
|
|
|
b12:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b13:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "<=", a, r)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op8
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op8
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_ln()
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr print_ln
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a>=b)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
cmp.z b
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc b13
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b14
|
|
|
|
b13:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b14:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, ">=", b, r)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z b
|
|
|
|
sta.z printu.b
|
|
|
|
lda.z print_line_cursor
|
|
|
|
sta.z print_char_cursor
|
|
|
|
lda.z print_line_cursor+1
|
|
|
|
sta.z print_char_cursor+1
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, ">=", b, r)
|
2018-01-02 09:17:59 +00:00
|
|
|
lda #<op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2018-01-02 09:17:59 +00:00
|
|
|
lda #>op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a>=$37)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
2018-01-02 09:17:59 +00:00
|
|
|
cmp #$37
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc b14
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b15
|
|
|
|
b14:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b15:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, ">=", $37, r)
|
2018-01-02 09:17:59 +00:00
|
|
|
lda #$37
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a>=cs[i])
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
ldy.z i
|
2018-01-02 09:17:59 +00:00
|
|
|
cmp cs,y
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc b15
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b16
|
|
|
|
b15:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b16:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, ">=", cs[i], r)
|
2019-08-07 19:00:19 +00:00
|
|
|
ldy.z i
|
2018-01-02 09:17:59 +00:00
|
|
|
lda cs,y
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a>=a)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
cmp.z a
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc b16
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b17
|
|
|
|
b16:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b17:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, ">=", a, r)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op12
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_ln()
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr print_ln
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a==b)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
cmp.z b
|
2019-09-29 21:13:37 +00:00
|
|
|
bne b17
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b18
|
|
|
|
b17:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b18:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "==", b, r)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z b
|
|
|
|
sta.z printu.b
|
|
|
|
lda.z print_line_cursor
|
|
|
|
sta.z print_char_cursor
|
|
|
|
lda.z print_line_cursor+1
|
|
|
|
sta.z print_char_cursor+1
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "==", b, r)
|
2018-01-02 09:17:59 +00:00
|
|
|
lda #<op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2018-01-02 09:17:59 +00:00
|
|
|
lda #>op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a==$37)
|
2019-03-26 22:49:44 +00:00
|
|
|
lda #$37
|
2019-08-07 19:00:19 +00:00
|
|
|
cmp.z a
|
2019-09-29 21:13:37 +00:00
|
|
|
bne b18
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b19
|
|
|
|
b18:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b19:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "==", $37, r)
|
2018-01-02 09:17:59 +00:00
|
|
|
lda #$37
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a==cs[i])
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
ldy.z i
|
2018-01-02 09:17:59 +00:00
|
|
|
cmp cs,y
|
2019-09-29 21:13:37 +00:00
|
|
|
bne b19
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b20
|
|
|
|
b19:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b20:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "==", cs[i], r)
|
2019-08-07 19:00:19 +00:00
|
|
|
ldy.z i
|
2018-01-02 09:17:59 +00:00
|
|
|
lda cs,y
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// if(a==a)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
cmp.z a
|
2019-09-29 21:13:37 +00:00
|
|
|
bne b20
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'+'
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b21
|
|
|
|
b20:
|
2018-01-02 09:17:59 +00:00
|
|
|
ldx #'-'
|
2019-09-29 21:13:37 +00:00
|
|
|
__b21:
|
2020-02-23 08:44:36 +00:00
|
|
|
// printu(a, "==", a, r)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
sta.z printu.b
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #<op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op
|
2019-02-24 22:23:57 +00:00
|
|
|
lda #>op16
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z printu.op+1
|
2018-01-01 21:59:06 +00:00
|
|
|
jsr printu
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_ln()
|
2018-01-01 14:59:15 +00:00
|
|
|
jsr print_ln
|
2020-02-23 08:44:36 +00:00
|
|
|
// a=a+$30
|
2019-08-07 19:00:19 +00:00
|
|
|
lax.z a
|
2019-03-27 06:47:31 +00:00
|
|
|
axs #-[$30]
|
2019-08-07 19:00:19 +00:00
|
|
|
stx.z a
|
2020-02-23 08:44:36 +00:00
|
|
|
// for( byte i : 0..4 )
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z i
|
2019-03-26 22:49:44 +00:00
|
|
|
lda #5
|
2019-08-07 19:00:19 +00:00
|
|
|
cmp.z i
|
2019-09-29 21:13:37 +00:00
|
|
|
bne __b68
|
|
|
|
__b42:
|
|
|
|
jmp __b42
|
|
|
|
__b68:
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z print_line_cursor
|
|
|
|
sta.z print_char_cursor
|
|
|
|
lda.z print_line_cursor+1
|
|
|
|
sta.z print_char_cursor+1
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b1
|
2019-11-03 20:27:11 +00:00
|
|
|
cs: .byte 7, $c7, $37, $97, $67
|
2019-08-07 17:36:19 +00:00
|
|
|
op: .text "< "
|
|
|
|
.byte 0
|
|
|
|
op4: .text "> "
|
|
|
|
.byte 0
|
|
|
|
op8: .text "<="
|
|
|
|
.byte 0
|
|
|
|
op12: .text ">="
|
|
|
|
.byte 0
|
|
|
|
op16: .text "=="
|
|
|
|
.byte 0
|
2018-01-01 14:59:15 +00:00
|
|
|
}
|
2019-02-17 23:12:29 +00:00
|
|
|
// Print a newline
|
2018-01-01 14:59:15 +00:00
|
|
|
print_ln: {
|
2019-09-29 21:13:37 +00:00
|
|
|
__b1:
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_line_cursor + $28
|
2019-03-18 01:23:29 +00:00
|
|
|
lda #$28
|
2018-01-01 14:59:15 +00:00
|
|
|
clc
|
2019-08-07 19:00:19 +00:00
|
|
|
adc.z print_line_cursor
|
|
|
|
sta.z print_line_cursor
|
2018-01-01 14:59:15 +00:00
|
|
|
bcc !+
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z print_line_cursor+1
|
2018-01-01 14:59:15 +00:00
|
|
|
!:
|
2020-02-23 08:44:36 +00:00
|
|
|
// while (print_line_cursor<print_char_cursor)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z print_line_cursor+1
|
|
|
|
cmp.z print_char_cursor+1
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc __b1
|
2018-01-01 14:59:15 +00:00
|
|
|
bne !+
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z print_line_cursor
|
|
|
|
cmp.z print_char_cursor
|
2019-09-29 21:13:37 +00:00
|
|
|
bcc __b1
|
2018-01-01 14:59:15 +00:00
|
|
|
!:
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2018-01-01 14:59:15 +00:00
|
|
|
rts
|
|
|
|
}
|
2020-03-08 22:26:49 +00:00
|
|
|
// printu(byte zp(2) a, byte* zp($a) op, byte zp(6) b, byte register(X) res)
|
2018-01-01 14:59:15 +00:00
|
|
|
printu: {
|
|
|
|
.label a = 2
|
2019-07-31 11:47:21 +00:00
|
|
|
.label b = 6
|
2020-03-08 22:26:49 +00:00
|
|
|
.label op = $a
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_char(' ')
|
2018-01-01 14:59:15 +00:00
|
|
|
lda #' '
|
|
|
|
jsr print_char
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_byte(a)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z a
|
|
|
|
sta.z print_byte.b
|
2018-01-01 14:59:15 +00:00
|
|
|
jsr print_byte
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_str(op)
|
2018-01-02 09:17:59 +00:00
|
|
|
jsr print_str
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_byte(b)
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z b
|
|
|
|
sta.z print_byte.b
|
2018-01-01 14:59:15 +00:00
|
|
|
jsr print_byte
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_char(' ')
|
2018-01-01 14:59:15 +00:00
|
|
|
lda #' '
|
|
|
|
jsr print_char
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_char(res)
|
2018-01-01 14:59:15 +00:00
|
|
|
txa
|
|
|
|
jsr print_char
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2018-01-01 14:59:15 +00:00
|
|
|
rts
|
|
|
|
}
|
2019-02-17 23:12:29 +00:00
|
|
|
// Print a single char
|
2019-02-19 19:51:48 +00:00
|
|
|
// print_char(byte register(A) ch)
|
2018-01-01 14:59:15 +00:00
|
|
|
print_char: {
|
2020-02-23 08:44:36 +00:00
|
|
|
// *(print_char_cursor++) = ch
|
2018-01-01 14:59:15 +00:00
|
|
|
ldy #0
|
2018-03-25 21:40:38 +00:00
|
|
|
sta (print_char_cursor),y
|
2020-02-23 08:44:36 +00:00
|
|
|
// *(print_char_cursor++) = ch;
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z print_char_cursor
|
2018-01-01 14:59:15 +00:00
|
|
|
bne !+
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z print_char_cursor+1
|
2018-01-01 14:59:15 +00:00
|
|
|
!:
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2018-01-01 14:59:15 +00:00
|
|
|
rts
|
|
|
|
}
|
2019-02-17 23:12:29 +00:00
|
|
|
// Print a byte as HEX
|
2019-12-26 08:51:41 +00:00
|
|
|
// print_byte(byte zp(9) b)
|
2018-01-01 14:59:15 +00:00
|
|
|
print_byte: {
|
2019-07-31 11:47:21 +00:00
|
|
|
.label b = 9
|
2020-02-23 08:44:36 +00:00
|
|
|
// b>>4
|
2019-08-07 19:00:19 +00:00
|
|
|
lda.z b
|
2018-01-01 14:59:15 +00:00
|
|
|
lsr
|
|
|
|
lsr
|
|
|
|
lsr
|
|
|
|
lsr
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_char(print_hextab[b>>4])
|
2018-01-01 14:59:15 +00:00
|
|
|
tay
|
2018-04-02 22:02:25 +00:00
|
|
|
lda print_hextab,y
|
2020-03-07 21:38:40 +00:00
|
|
|
// Table of hexadecimal digits
|
2018-01-01 14:59:15 +00:00
|
|
|
jsr print_char
|
2020-02-23 08:44:36 +00:00
|
|
|
// b&$f
|
2018-01-21 10:14:20 +00:00
|
|
|
lda #$f
|
2019-08-07 19:00:19 +00:00
|
|
|
and.z b
|
2020-02-23 08:44:36 +00:00
|
|
|
// print_char(print_hextab[b&$f])
|
2018-01-01 14:59:15 +00:00
|
|
|
tay
|
2018-04-02 22:02:25 +00:00
|
|
|
lda print_hextab,y
|
2018-01-01 14:59:15 +00:00
|
|
|
jsr print_char
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2018-01-01 14:59:15 +00:00
|
|
|
rts
|
|
|
|
}
|
2019-02-17 23:12:29 +00:00
|
|
|
// Print a zero-terminated string
|
2020-03-08 22:26:49 +00:00
|
|
|
// print_str(byte* zp($a) str)
|
2018-01-02 09:17:59 +00:00
|
|
|
print_str: {
|
2020-03-08 22:26:49 +00:00
|
|
|
.label str = $a
|
2019-09-29 21:13:37 +00:00
|
|
|
__b1:
|
2020-02-23 08:44:36 +00:00
|
|
|
// while(*str)
|
2018-01-02 09:17:59 +00:00
|
|
|
ldy #0
|
|
|
|
lda (str),y
|
2019-08-07 17:48:56 +00:00
|
|
|
cmp #0
|
2019-09-29 21:13:37 +00:00
|
|
|
bne __b2
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2018-01-02 09:17:59 +00:00
|
|
|
rts
|
2019-09-29 21:13:37 +00:00
|
|
|
__b2:
|
2020-02-23 08:44:36 +00:00
|
|
|
// *(print_char_cursor++) = *(str++)
|
2018-01-02 09:17:59 +00:00
|
|
|
ldy #0
|
|
|
|
lda (str),y
|
2018-03-25 21:40:38 +00:00
|
|
|
sta (print_char_cursor),y
|
2020-02-23 08:44:36 +00:00
|
|
|
// *(print_char_cursor++) = *(str++);
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z print_char_cursor
|
2018-01-02 09:17:59 +00:00
|
|
|
bne !+
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z print_char_cursor+1
|
2018-01-02 09:17:59 +00:00
|
|
|
!:
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z str
|
2018-01-02 09:17:59 +00:00
|
|
|
bne !+
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z str+1
|
2018-01-02 09:17:59 +00:00
|
|
|
!:
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b1
|
2018-01-02 09:17:59 +00:00
|
|
|
}
|
2019-02-17 23:12:29 +00:00
|
|
|
// Clear the screen. Also resets current line/char cursor.
|
2018-01-01 14:59:15 +00:00
|
|
|
print_cls: {
|
2020-02-23 08:44:36 +00:00
|
|
|
// memset(print_screen, ' ', 1000)
|
2019-07-17 23:54:16 +00:00
|
|
|
jsr memset
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2019-07-17 23:54:16 +00:00
|
|
|
rts
|
|
|
|
}
|
|
|
|
// Copies the character c (an unsigned char) to the first num characters of the object pointed to by the argument str.
|
|
|
|
memset: {
|
|
|
|
.const c = ' '
|
|
|
|
.const num = $3e8
|
|
|
|
.label str = $400
|
|
|
|
.label end = str+num
|
2019-07-31 11:47:21 +00:00
|
|
|
.label dst = $a
|
2019-07-17 23:54:16 +00:00
|
|
|
lda #<str
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z dst
|
2019-07-17 23:54:16 +00:00
|
|
|
lda #>str
|
2019-08-07 19:00:19 +00:00
|
|
|
sta.z dst+1
|
2019-09-29 21:13:37 +00:00
|
|
|
__b1:
|
2020-02-23 08:44:36 +00:00
|
|
|
// for(char* dst = str; dst!=end; dst++)
|
2019-08-25 20:21:56 +00:00
|
|
|
lda.z dst+1
|
|
|
|
cmp #>end
|
2019-09-29 21:13:37 +00:00
|
|
|
bne __b2
|
2019-08-25 20:21:56 +00:00
|
|
|
lda.z dst
|
|
|
|
cmp #<end
|
2019-09-29 21:13:37 +00:00
|
|
|
bne __b2
|
2020-02-23 08:44:36 +00:00
|
|
|
// }
|
2019-08-25 20:21:56 +00:00
|
|
|
rts
|
2019-09-29 21:13:37 +00:00
|
|
|
__b2:
|
2020-02-23 08:44:36 +00:00
|
|
|
// *dst = c
|
2019-07-17 23:54:16 +00:00
|
|
|
lda #c
|
2018-01-01 14:59:15 +00:00
|
|
|
ldy #0
|
2019-07-17 23:54:16 +00:00
|
|
|
sta (dst),y
|
2020-02-23 08:44:36 +00:00
|
|
|
// for(char* dst = str; dst!=end; dst++)
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z dst
|
2018-01-01 14:59:15 +00:00
|
|
|
bne !+
|
2019-08-07 19:00:19 +00:00
|
|
|
inc.z dst+1
|
2018-01-01 14:59:15 +00:00
|
|
|
!:
|
2019-09-29 21:13:37 +00:00
|
|
|
jmp __b1
|
2018-01-01 14:59:15 +00:00
|
|
|
}
|
2018-04-02 22:02:25 +00:00
|
|
|
print_hextab: .text "0123456789abcdef"
|