mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-10-01 02:56:27 +00:00
9b12b6fd9b
- getting ready for major changes for 0.6.0. - be sure to download the 0.5.0 release to ensure proper functionality, as these rountines will not work together in the SRC or BIN folder during the transition - Beginning to significantly alter documentation
41 lines
1.2 KiB
NASM
41 lines
1.2 KiB
NASM
*``````````````````````````````*
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* FPSTR (NATHAN RIGGS) *
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* *
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* PRINTS THE SPECIFIED STRING *
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* AT GIVEN LOCATION TO THE *
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* FILE OPEN AND SET TO BE *
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* WRITTEN. *
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* *
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* INPUT: *
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* *
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* WPAR1 = STRING ADDRESS PTR *
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* *
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* OUTPUT: *
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* *
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* .A = STRING LENGTH *
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* *
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* DESTROY: AXYNVBDIZCMS *
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* ^^^^^ ^^^ *
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* *
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* CYCLES: 38+ *
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* SIZE: 25 BYTES *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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]SLEN EQU VARTAB ; STRING LENGTH
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]ADDR EQU WPAR1 ; STRING ADDRESS POINTER
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*
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FPSTR
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*
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LDY #0 ; RESET INDEX
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LDA (]ADDR),Y ; GET STRING LENGTH
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STA ]SLEN ; STORE IN ]SLEN
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:LP
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INY ; INCREASE INDEX
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LDA (]ADDR),Y ; GET CHARACTER
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JSR FCOUT ; STORE IN FILE
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CPY ]SLEN ; IF .Y != STRING LENGTH
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BNE :LP ; THEN KEEP LOOPING
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:EXIT
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TYA ; STRING LENGTH TO .A
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RTS
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