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14a37ca879
Full PEP8 compliance. Also, booleans have been inserted where they make sense (introduced in 2.3!) and I haven't knowingly added anything that will break 2.3 compatibility. At this point the code really doesn't look like it was written ten years ago. Hooray!
41 lines
489 B
Plaintext
41 lines
489 B
Plaintext
.word $0801
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.org $0801
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.scope
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.word _next, 10 ; Next line and current line number
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.byte $9e," 2064",0 ; SYS 2064
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_next: .word 0 ; End of program
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.scend
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.advance $0810
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.require "kernal.oph"
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.data zp
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.org $0002
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.text
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.scope
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; Cache BASIC's zero page at top of available RAM.
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ldx #$7E
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* lda $01, x
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sta $CF81, x
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dex
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bne -
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jsr _main
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; Restore BASIC's zero page and return control.
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ldx #$7E
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* lda $CF81, x
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sta $01, x
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dex
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bne -
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rts
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_main:
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; Program follows...
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.scend
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