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20 lines
405 B
Plaintext
20 lines
405 B
Plaintext
;Screen Control Assembly Lanuage Routines for C02
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;Skeleton Code for Systems with no Screen Control
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;Clear the Screen
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CLRSCR: RTS ;No Action
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;Move Cursor Home
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CRSRHM EQU CLRSCR ;No Action
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;Move Cursor to Specified Coordinates
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SETPOS EQU CLRSCR ;No Action
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;Get Cursor Position
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GETPOS: LDA #$FF ;Return Error
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TAY
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RTS
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;Get Screen Size
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GETSIZ EQU GETPOS ;Return Error
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