mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-12-04 10:51:10 +00:00
79 lines
1.7 KiB
Plaintext
79 lines
1.7 KiB
Plaintext
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*``````````````````````````````*
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* FPSTR : PRINT STRING TO FILE *
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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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* CLOBBERS: *
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* *
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* FLAGS: ????---- REG: AXYM *
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*- -*
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* CYCLES: ??? *
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* SIZE: *
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*- -*
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* USAGE: *
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* *
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*- -*
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* ENTRY *
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* *
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* TOP OF STACK *
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* *
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* LOW BYTE OF RETURN ADDRESS *
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* HI BYTE OF RETURN ADDRESS *
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*- -*
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* EXIT *
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* *
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* TOP OF STACK *
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* *
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* LOW BYTE OF RETURN ADDRESS *
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* HI BYTE OF RETURN ADDRESS *
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* *
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* .Y = CLOBBERED *
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* .X = CLOBBERED *
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* .A = CLOBBERED *
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*,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,*
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*
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FPSTR
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*
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** SAVE RETURN ADDRESS
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*
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PLA
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STA RETADR
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PLA
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STA RETADR+1
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*
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** GET PARAMETERS
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*
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PLA
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STA ADDR1
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PLA
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STA ADDR1+1
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*
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LDY #0
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LDA (ADDR1),Y
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STA :SLEN
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:LP
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INY
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LDA (ADDR1),Y
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JSR FCOUT
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CPY :SLEN
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BNE :LP
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:EXIT
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*
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** RESTORE RETURN ADDRESS
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*
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LDA RETADR+1
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PHA
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LDA RETADR
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PHA
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*
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RTS
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*
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** DATA
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*
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:SLEN DS 1
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*
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