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Minor beautifications.
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@ -6,12 +6,12 @@
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.exportzp screen_current_row
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.exportzp screen_current_col
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.code
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screen_current_col = $24 ; CH - Horizontal cursor-position (0-39)
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screen_current_row = $25 ; CV - Vertical cursor-position (0-23)
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.code
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; use Apple 2 monitor ROM function to display 1 char
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; inputs: A should be set to ASCII char to display
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; outputs: none
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@ -36,13 +36,13 @@ print_a:
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print_cr:
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jmp $fd8e
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; use Apple 2 monitor ROM function to move to clear the screen
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; use Apple 2 monitor ROM function to clear the screen
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; inputs: none
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; outputs: none
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cls:
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jmp $fc58
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; use Apple 2 monitor ROM function to move to make a 'beep' noise
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; use Apple 2 monitor ROM function to make a 'beep' noise
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; inputs: none
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; outputs: none
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beep:
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