mirror of
https://github.com/nathanriggs/AppleIIAsm-Collection.git
synced 2024-12-12 01:30:00 +00:00
101 lines
2.3 KiB
Plaintext
101 lines
2.3 KiB
Plaintext
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*
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*``````````````````````````````*
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* FINPUT: READ LINE FROM TFILE *
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*- -*
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* INPUTS A LINE FROM A TEXT *
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* FILE AND STORES IT AS A *
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* STRING AT THE SPECIFIED *
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* MEMORY LOCATION. *
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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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* JSR CMD *
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* ASC "OPEN TEXT1" *
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* HEX 8D00 *
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* JSR CMD *
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* ASC "READ TEXT1" *
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* HEX 8D00 *
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* LDA #>STRLOC ; STRING LOC *
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* PHA *
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* LDA #<STRLOC *
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* PHA *
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* JSR FINPUT *
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* JSR CMD *
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* ASC "CLOSE TEXT1" *
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* HEX 8D00 *
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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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FINPUT
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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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LDX #0
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JSR FGETLN
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STX :SLEN
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CPX #0
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BEQ :EXIT
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*
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:INP_CLR
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LDY #0
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LDA :SLEN
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STA (ADDR1),Y ; PUT LENGTH AT START
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:LP
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LDA $0200,Y ; KEYBOARD BUFFER
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INY
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STA (ADDR1),Y
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CPY :SLEN
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BNE :LP
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*
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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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