mirror of https://github.com/gungwald/online.git
Fixed ASCII code for comma
This commit is contained in:
Bill Chatfield
parent
8a4d621aa9
commit
c9c749d393
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@ -0,0 +1,28 @@
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# Vim swap files
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.*.swp
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# Vim backup files
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.*~
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# Compiled Java
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*.class
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# Mobile Tools for Java (J2ME)
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.mtj.tmp/
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# Packaged Java components
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*.jar
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*.war
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*.ear
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# JVM crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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# C development
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*.exe
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*.o
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Debug/
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Release/
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# Mac
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.DS_Store
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@ -0,0 +1,30 @@
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# Compiles with https://www.brutaldeluxe.fr/products/crossdevtools/merlin/
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#
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ifeq ($(OS),Windows_NT)
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MERLIN_DIR=C:/opt/Merlin32_v1.0
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MERLIN_LIB=$(MERLIN_DIR)/Library
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MERLIN=$(MERLIN_DIR)/Windows/Merlin32
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RM=del /s
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else
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MERLIN_DIR=/opt/Merlin32_v1.0
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MERLIN_LIB=$(MERLIN_DIR)/Library
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MERLIN=$(MERLIN_DIR)/Windows/Merlin32
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RM=rm -f
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endif
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AC=java -jar AppleCommander-1.3.5.14.jar
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SRC=online.s
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PGM=ONLINE
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VOL=$(PGM)
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DSK=$(PGM).dsk
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$(DSK): $(PGM)
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$(AC) -pro140 $(DSK) $(VOL)
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$(AC) -p $(DSK) $(PGM) SYS < $(PGM)
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$(PGM): $(SRC)
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$(MERLIN) $(MERLIN_LIB) $(SRC)
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clean:
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$(RM) $(DSK) $(PGM)
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@ -0,0 +1 @@
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ONLINE=Type(00),AuxType(0000),VersionCreate(70),MinVersion(BE),Access(E3),FolderInfo1(000000000000000000000000000000000000),FolderInfo2(000000000000000000000000000000000000)
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@ -0,0 +1,344 @@
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********************************
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* *
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* ONLINE - LISTS ALL VOLUMES *
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* *
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* AUTHOR: BILL CHATFIELD *
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* LICENSE: GPL2 *
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* *
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********************************
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ORG $2000
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DSK ONLINE
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TYP $FF ;SYSTEM TYPE
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********************************
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* *
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* CONSTANTS *
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* *
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********************************
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DEBUG EQU 0
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ONLCMD EQU $C5 ;ID FOR ON_LINE MLI SYSTEM CALL
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RDKEY EQU $FD0C ;READS 1 CHAR
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CROUT EQU $FD8E ;SUB TO OUTPUT CARRIAGE RETURN
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COUT EQU $FDED ;SUB TO OUTPUT A CHARACTER
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PRBYTE EQU $FDDA ;SUB TO PRINT ERROR MESSAGE
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MLI EQU $BF00 ;ADDRESS OF MLI ENTRY POINT
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BELL EQU $FF3A ;SUBROUTINE TO BEEP
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MAXREC EQU 16 ;MAX RECS RETURNED BY ON_LINE
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BUFPTR EQU 6 ;WILL USE ZERO PAGE 6 & 7
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MSGADR EQU 8
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RECLEN EQU $10 ;THAT'S 16 IN DECIMAL
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********************************
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* *
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* MACROS *
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* *
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********************************
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DO 0 ;TURN OFF ASSEMBLY FOR MACROS
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********************************
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* *
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* PUTS *
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* *
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********************************
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PUTS MAC
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TYA ;PRESERVE Y
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PHA
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LDY #0 ;PREPARE LOOP INDEX
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]NEXTCHR LDA ]1,Y ;LOAD A CHARACTER
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CMP #0 ;CHECK FOR END OF STRING
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BEQ FINISH
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JSR COUT
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INY
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JMP ]NEXTCHR
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FINISH PLA ;RESTORE Y
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TAY
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EOM
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********************************
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* *
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* PAUSE *
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* *
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********************************
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PAUSE MAC
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PUTS DPAUSE
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JSR RDKEY
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JSR CROUT
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EOM
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ADD2ADDR MAC
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LDA ]1
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CLC
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ADC ]2
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STA ]1
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BCC DONE
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INC ]1+1
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DONE EOM
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FIN ;END OF MACROS
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********************************
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* *
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* MAIN *
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* *
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********************************
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MAIN
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JSR MLI ;CALL MACHINE LANGUAGE INTERFACE
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DB ONLCMD ;SPECIFY THE ON_LINE SYSTEM CALL
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DA ONLARGS ;SPECIFY ADDRESS OF ARGUMENTS
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BEQ CONTINUE ;ON_LINE RETURNS 0 ON SUCCESS
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JMP ERROR
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*
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* COPY THE ADDRESS OF THE OUTPUT BUFFER INTO BUFPTR
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*
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CONTINUE LDA #<BUFFER ;PUT LOW BYTE INTO ACCUMULATOR
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STA BUFPTR ;ASSIGN LOW BYTE TO BUFPTR
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LDA #>BUFFER ;PUT HIGH BYTE INTO ACCUMULATOR
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STA BUFPTR+1 ;ASSIGN HIGH BYTE TO BUFPTR
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*
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* LOOP TO PROCESS 16 RECORDS
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*
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RECLOOP LDA RECNUM
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CMP #MAXREC
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BNE :CHKLAST
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JMP ENDPROG
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:CHKLAST LDY #0
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LDA (BUFPTR),Y
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CMP #0 ;LAST REC IF FIRST BYTE IS 0
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BNE FINDDRV
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JMP ENDPROG
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* FIND DRIVE NUMBER. IT IS SPECIFIED BY THE HIGH BIT OF
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* THE FIRST BYTE IN THE RECORD. A ZERO SPECIFIES DRIVE 1.
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* A ONE SPECIFIES DRIVE 2.
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FINDDRV LDY #0 ;SETUP FOR LDA INDIRECT INDEXED
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LDA (BUFPTR),Y ;LOAD FIRST BYTE INTO ACCUM
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AND #%10000000 ;FOCUS ON THE HIGH BIT
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CLC ;DON'T LET THE CARRY BIT WRAP
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LSR ;SHIFT BITS TO THE RIGHT
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LSR ;AGAIN
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LSR ;AGAIN
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LSR ;...
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LSR
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LSR
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LSR ;BIT ZERO NOW SPECIFIES DRIVE
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ADC #1 ;CONVERT BIT TO DRIVE NUMBER
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STA DRIVENUM ;STORE THE RESULT
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*
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* FIND SLOT NUMBER
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*
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LDY #0 ;SETUP FOR NEXT OP
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LDA (BUFPTR),Y ;LOAD FIRST BYTE INTO ACCUM
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AND #%01110000 ;FOCUS ON BITS 4,5, AND 6
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LSR ;SHIFT BITS TO THE RIGHT
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LSR ;DO IT AGAIN
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LSR ;DO IT AGAIN
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LSR ;DO IT AGAIN
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STA SLOTNUM ;BITS 0,1,2 NOW SPECIFY SLOT NUM
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*
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* FIND VOLUME NAME LENGTH
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*
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LDY #0 ;SETUP FOR NEXT OP
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LDA (BUFPTR),Y ;LOAD FIRST BYTE OF REC INTO A
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AND #%00001111 ;FOCUS ON LOWER 4 BITS
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STA NAMELEN ;STORE THE RESULT
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DO DEBUG
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PUTS DNAMELEN
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LDA NAMELEN
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JSR PRBYTE
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JSR CROUT
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FIN
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*
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* PRINT SLOT AND DRIVE
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*
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PRTSLOT
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LDA #"S" ;AN 'S' WITH HIGH BIT SET
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JSR COUT ;WRITE 'S'
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LDA SLOTNUM ;PUT SLOT NUM IN ACCUMULATOR
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CLC ;CLEAR CARRY FLAG FOR ADDITION
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ADC #$B0 ;CONVERT TO ASCII & SET HI BIT
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JSR COUT ;PRINT SLOTNUM
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LDA #$AC ;COMMA WITH HIGH BIT SET
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JSR COUT ;WRITE COMMA
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LDA #"D" ;A 'D' WITH HIGH BIT SET
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JSR COUT ;WRITE 'D'
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LDA DRIVENUM ;PUT DRIVE NUM IN ACCUMULATOR
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CLC ;CLEAR CARRY FLAG FOR ADDITION
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ADC #$B0 ;CONVERT TO ASCII & SET HI BIT
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JSR COUT ;WRITE DRIVENUM CHARACTER
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LDA #" " ;SPACE WITH HIGH BIT SET
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JSR COUT ;WRITE SPACE CHARACTER
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*
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* CHECK FOR EMPTY VOLUME NAME
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*
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LDY #0
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CPY NAMELEN ;CHECK FOR EMPTY NAME
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BNE WRITEVOL ;CONTINUE IF IT IS NOT EMPTY
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INY ;MOVE INDEX TO LOC OF ERROR CODE
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LDA (BUFPTR),Y ;LOAD THE ERROR CODE
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JSR WRITEERR
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JSR CROUT
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JMP INCREC
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*
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* PRINT THE VOLUME NAME
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*
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WRITEVOL LDA #"/" ;SLASH WITH HIGH BIT SET
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JSR COUT ;WRITE SLASH CHARACTER
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LDY #1 ;SET INDEX TO FIRST CHAR OF NAME
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:NEXTCHR LDA (BUFPTR),Y ;LOAD CHAR INTO ACCUMULATOR
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ORA #%10000000 ;TURN ON THE HIGH BIT FOR PRINT
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JSR COUT ;WRITE A CHARACTER OF VOL NAME
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CPY NAMELEN ;CHECK IF LAST CHARACTER
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BEQ :DONEVOL ;EXIT LOOP IF DONE
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INY ;INCREMENT Y REGISTER
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JMP :NEXTCHR ;LOOP TO NEXT CHARACTER
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:DONEVOL JSR CROUT ;WRITE A CARRIAGE RETURN
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*
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* BOTTOM OF RECLOOP
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*
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INCREC INC RECNUM ;INCREMENT CURRENT RECORD NUM
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*
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* ADD 16 TO THE ADDRESS IN BUFPTR
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*
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LDA BUFPTR ;LOAD THE LOW BYTE OF BUFPTR
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CLC ;CLEAR CARRY BIT IN PREP FOR ADD
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ADC #RECLEN ;ADD RECLEN TO LOW BYTE
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STA BUFPTR ;STORE CALCULATED LOW BYTE
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BCC :NOCARRY ;IF CARRY NOT SET THEN NEXT REC
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INC BUFPTR+1 ;INC HIGH BYTE IF CARRY WAS SET
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:NOCARRY
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DO DEBUG
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PAUSE
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FIN
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JMP RECLOOP ;LOOP TO NEXT RECORD
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ENDPROG
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RTS ;RETURN TO WHATEVER CALLED PROG
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*
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* ERROR HANDLER
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*
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ERROR
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JSR WRITEERR
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JSR BELL ;BEEP
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JSR CROUT ;WRITE CARRIAGE RETURN
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RTS ;RETURN TO WHATEVER CALL PROGRAM
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********************************
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* *
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* SUB WRITEERR *
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* ERROR CODE MUST BE IN ACCUM *
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* *
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********************************
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WRITEERR
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STA ERRCODE
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LDX #0
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LDY #0
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:NEXTERR
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DO DEBUG
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PUTS DERRCODE
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LDA ERRCODE
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JSR PRBYTE
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JSR CROUT
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FIN
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LDA ERRCODE
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CMP ERRCODES,X
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BEQ :FOUND
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INX
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INY
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INY
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CPX ERRCOUNT
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BMI :NEXTERR
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* UNKNOWN ERROR CODE
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LDA #"("
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JSR COUT
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PUTS UNKECODE
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LDA ERRCODE
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JSR PRBYTE
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LDA #")"
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JSR COUT
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JMP :ENDSUB
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:FOUND LDA ERRMSGS,Y ;LOAD A WITH LOW BYTE OF MSG
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STA MSGADR ;STORE LOW BYTE INTO LOCAL
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INY ;ADVANCE TO HIGH BYTE
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LDA ERRMSGS,Y ;LOAD A WITH HIGH BYTE OF MSG
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STA MSGADR+1 ;STORE HIGH BYTE INTO LOCAL
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DO DEBUG
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PUTS DMSGADR
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LDA MSGADR
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JSR PRBYTE
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JSR CROUT
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FIN
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LDA #"("
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JSR COUT
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PUTS (MSGADR) ;WRITE THE ERROR MESSAGE
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LDA #")"
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JSR COUT
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:ENDSUB RTS
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********************************
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* *
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* VARIABLES *
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* *
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********************************
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BUFFER DS 256 ;SPACE FOR 16 DISK VOL RECORDS
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ONLARGS DB 2 ;PARAMETER COUNT
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DB 0 ;UNIT NUMBER, 0=ALL
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DA BUFFER ;ADDRESS OF OUTPUT BUFFER
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DRIVENUM DB 0 ;BYTE TO STORE DRIVENUM
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SLOTNUM DB 0 ;BYTE TO STORE SLOTNUM
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NAMELEN DB 0 ;LENGTH OF A VOLUME NAME
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RECNUM DB 0 ;CURRENT RECORD NUMBER
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ERRCODE DB 0
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DNAMELEN ASC "NAMELEN=",00
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DERRCODE ASC "ERRCODE=",00
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DMSGADR ASC "MSGADR=",00
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DPAUSE ASC "PRESS ANY KEY TO CONTINUE",00
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UNKECODE ASC "UNKNOWN ERROR CODE: ",00
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*
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* ERROR MESSAGES
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*
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ERRCOUNT DB 8
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ERR27 ASC "I/O ERROR",00
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ERR28 ASC "DEVICE NOT CONNECTED",00
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ERR2E ASC "DISK SWITCHED: FILE STILL OPEN ON OTHER DISK",00
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ERR45 ASC "VOLUME DIRECTORY NOT FOUND",00
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ERR52 ASC "NOT A PRODOS DISK",00
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ERR55 ASC "VOLUME CONTROL BLOCK FULL",00
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ERR56 ASC "BAD BUFFER ADDRESS",00
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ERR57 ASC "DUPLICATE VOLUME",00
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*
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* ERROR CODE TO MESSAGE TRANSLATION TABLE
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*
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ERRCODES DB $27
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DB $28
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DB $2E
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DB $45
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DB $52
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DB $55
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DB $56
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DB $57
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ERRMSGS DA ERR27
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DA ERR28
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DA ERR2E
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DA ERR45
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DA ERR52
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DA ERR55
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DA ERR56
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DA ERR57
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