mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2025-02-19 21:30:37 +00:00
875dd80998
- fixed a bunch of bugs - separated common and stdio libraries - commenting upgrades - created min versions of each library
90 lines
2.5 KiB
Plaintext
90 lines
2.5 KiB
Plaintext
*
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*``````````````````````````````*
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*CURSFOR :: MOVE CURSOR FORWD *
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* *
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*- -*
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* FLAGS: NZC----- REG: AYM- *
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* CYCLES: 20 *
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*- -*
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* USAGE: *
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* LDA (AMT TO MOVE) *
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* JSR CURSFOR *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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CURSFOR
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CLC
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ADC CURSH
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STA CURSH
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JSR VTAB
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RTS
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*
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*``````````````````````````````*
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*CURSBAK :: MOVE CURSOR BACKWD *
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* *
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*- -*
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* FLAGS: NZC----- REG: AYM- *
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* CYCLES: 26 *
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*- -*
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* USAGE: *
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* LDA (AMT TO MOVE) *
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* JSR CURSBAK *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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CURSBAK
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SEC
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STA :SCRATCH
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LDA CURSH
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SBC :SCRATCH
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STA CURSH
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JSR VTAB
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RTS
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*
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** DATA
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*
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:SCRATCH DS 1
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*
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*``````````````````````````````*
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* CURSDN :: MOVE CURSOR DOWN *
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* *
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*- -*
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* FLAGS: NZC----- REG: AYM- *
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* CYCLES: 20 *
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*- -*
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* USAGE: *
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* LDA (AMT TO MOVE) *
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* JSR CURSDN *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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CURSDN
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CLC
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ADC CURSV
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STA CURSV
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JSR VTAB
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RTS
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*
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*``````````````````````````````*
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* CURSUP :: MOVE CURSOR UP *
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* *
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*- -*
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* FLAGS: NZC----- REG: AYM- *
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* CYCLES: 26 *
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*- -*
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* USAGE: *
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* LDA (AMT TO MOVE) *
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* JSR CURSUP *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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CURSUP
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SEC
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STA :SCRATCH
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LDA CURSV
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SBC :SCRATCH
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STA CURSV
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JSR VTAB
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RTS
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*
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** DATA
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*
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:SCRATCH DS 1
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*
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