mirror of
https://github.com/gungwald/prodos-more.git
synced 2025-01-13 12:31:45 +00:00
Separated code into files for S-C and Merlin
This commit is contained in:
Bill Chatfield
parent
5e7e35e72a
commit
e5bb256cbc
2
Makefile
2
Makefile
@ -24,7 +24,7 @@ endif
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# It is necessary to use this older version of AppleCommander to support
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# the PowerBook G4 and iBook G3. This version only requires Java 1.3.
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AC=java -jar AppleCommander-1.3.5-ac.jar
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SRC=more.s
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SRC=more.merlin.s
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PGM=MORE
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BASE_DSK=prodos-2.0.3.dsk
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VOL=$(PGM)
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814
more.merlin.s
Normal file
814
more.merlin.s
Normal file
@ -0,0 +1,814 @@
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********************************
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* *
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* MORE - UN*X MORE COMMAND *
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* ASSEMBLES WITH MERLIN *
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* *
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********************************
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* Memory Map
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*
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* $0000 - $00FF Zero Page
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* $0100 - $01FF Stack
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* $0200 - $03FF Mostly Free, Input Buffer, Interrupt Vectors
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* $0400 - $07FF Lo-res/Text Page1
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* $0800 - $0BFF Lo-res/Text Page2 (BASIC programs load here)
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* $0C00 - $1FFF Free
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* $2000 - $3FFF Hi-res Page1
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* $4000 - $5FFF Hi-res Page2
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* $6000 - $95FF Free
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* $9600 - $BFFF DOS3.3 and Buffers
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* $C000 - $CFFF Soft Switches, Expansion Card I/O and ROM
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* $D000 - $F7FF BASIC ROM (can be bankswitched later models)
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* $F800 - $FFFF Machine Language Monitor ROM (also can be bankswitched)
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DSK MORE ;WRITE ASSEMBLED FILE TO DISK
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TYP $06 ;$FF=SYSTEM, $06=BINARY
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ORG $2000 ;ASSEMBLE START ADDRESS
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* SYSTEM VARIABLES
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IN EQU $200 ;256-CHAR INPUT BUF
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* SUBROUTINES IN MONITOR ROM: $F800 - $FFFF
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RDKEY EQU $FD0C ;READS A CHARACTER
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GETLN EQU $FD6A ;READS A LINE, WITH PROMPT($33)
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GETLN1 EQU $FD6F ;READS A LINE, NO PROMPT
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CROUT EQU $FD8E
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COUT EQU $FDED
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PRBYTE EQU $FDDA
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* SUBROUTINES IN BASIC.SYSTEM ROM:
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GETBUFR EQU $BEF5 ;BCC=OKAY & A=HIBYTE OF BUF
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;BCS=FAIL & A=ERRCODE
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;X & Y ARE DESTROYED
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FREEBUFR EQU $BEF8 ;FREE BUFFER
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* PRODOS ENTRY POINT
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PRODOS_MLI EQU $BF00 ;MACHINE LANG IFACE (MLI)
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*
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* MEMORY MAPPED I/O: $C000 - $CFFF
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*
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RD80VID EQU $C01F ;<=128->40COL, >128->80COL
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*
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* SLOT 3 SCRATCHPAD RAM - TEXT PAGE 0 SCREEN HOLE
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* http://yesterbits.com/media/books/apple/heiserman-1983-intermediate-level-apple-ii-handbook.pdf
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*
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OURCH EQU $057B ;80-COL HORIZ CURSOR POSITION
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OURCV EQU $05FB ;VERTICAL CURSOR POSITION
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* ZERO-PAGE ADDRESSES
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ZP_A1L EQU $3C ;MONITOR GENERAL PURPOSE
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ZP_A1H EQU $3D ;MONITOR GENERAL PURPOSE
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* PRODOS COMMAND CODES
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OPENCMD EQU $C8
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READCMD EQU $CA
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CLOSCMD EQU $CC
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* CONSTANTS
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EOFERR EQU $4C ;ERROR CODE FOR END-OF-FILE
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PTR EQU $06 ;ONLY FREE 0-PAGE LOCATION
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MAXERCDE EQU $5A ;LARGEST ERROR CODE
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CR EQU $0D ;ASCII CARRIAGE RETURN
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CR_HIBIT EQU $8D ;CARRIAGE RET WITH HIGH BIT SET
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BUFSIZE EQU $00FF
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SCR_HGHT EQU 24 ;SCREEN HEIGHT
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* DEBUGGING
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TRACE EQU 0
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********************************
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* *
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* PUSH Y ONTO THE STACK *
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* DESTROYS A *
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* *
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********************************
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PUSHY MAC
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TYA
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PHA
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<<<
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********************************
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* *
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* POP Y FROM THE STACK *
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* DESTROYS A *
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* *
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********************************
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POPY MAC
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PLA
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TAY
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<<<
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********************************
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* *
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* COPY IN BUF TO STRING *
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* *
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* X CONTAINS LENGTH OF "IN" *
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* ]1 IS DEST STRING (LEN BYT) *
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* A IS DESTROYED *
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* *
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********************************
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CPIN MAC
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PUSHY ;SAVE Y
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STX ]1 ;COPY LENGTH TO FIRST BYTE OF ]1
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LDY #0 ;INIT Y TO ZERO
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LOOP CPY ]1 ;COMPARE Y WITH LENGTH BYTE
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BEQ ENDLOOP ;DONE IF LENGTH IS REACHED
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LDA IN,Y ;LOAD IN[Y] INTO ACCUMULATOR
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CMP #CR ;COMPARE WITH CARRIAGE RETURN
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BEQ ENDLOOP ;STOP AT CARRIAGE RETURN
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INY ;DEST STR IS 1 AHEAD OF IN BUF
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STA ]1,Y ;COPY CHAR TO DEST STR ]1
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JMP LOOP ;LOOP TO NEXT CHAR
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ENDLOOP POPY ;RESTORE Y
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<<<
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********************************
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* *
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* WRITES A LENGTH PREFIXED *
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* STRING TO THE SCREEN *
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* A IS DESTROYED *
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* *
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********************************
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PUTS MAC
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PUSHY
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LDY #0 ;INIT LOOP INDEX
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LOOP CPY ]1 ;HAS STR LENGTH BEEN REACHED
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BEQ ENDLOOP ;IF SO THEN FINISH
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INY ;MOVE TO INDEX OF NEXT CHAR
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LDA ]1,Y ;GET THE CHAR TO BE WRITTEN
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JSR COUT ;WRITE THE CHARACTER
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JMP LOOP ;LOOP
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ENDLOOP POPY
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<<<
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********************************
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* *
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* SET TO #1 (IMMEDIATE 1) *
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* ]1 DESTINATION *
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* A IS DESTROYED *
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* *
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********************************
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SET1 MAC
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LDA #1
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STA ]1
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<<<
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SET0 MAC
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LDA #0
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STA ]1
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<<<
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SET23 MAC
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LDA #23
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STA ]1
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<<<
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********************************
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* *
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* MAIN PROGRAM *
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* *
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********************************
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MAIN CLD ;CLEAR DECIMAL FLG, AVOID CRASH
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SET0 USRQUIT ;INITIALIZE TO "NO"
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*
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* GET FILE NAME
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*
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PUTS INFOLINE
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JSR CROUT
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:ASKFILE PUTS PROMPT
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JSR GETLN1 ;LENGTH IN X, CR AT END
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CPX #0 ;IS THE LENGTH ZERO?
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BNE :CONT0 ;USER JUST PRESSED RETURN
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JMP :END
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:CONT0 CPX #1
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BNE :CONT1
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LDA #"?"
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CMP IN
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BNE :CONT1
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JSR HELPINFO
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JMP :ASKFILE
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:CONT1 CPIN FILENAME ;COPY "IN" BUF TO FILENAME
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DO TRACE
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JSR PRSTRBYTES
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JSR GETLN
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FIN
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*
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* GET FILE I/O BUFFER FOR OPEN CALL
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*
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LDA #4 ;FOUR 256 BYTE PAGES = 1KB
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JSR GETBUFR ;GET BUF FROM BASIC.SYSTEM
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BCC :CONT2 ;CARRY CLEAR MEANS NO ERROR
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JSR OBUFERR
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JMP :END
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:CONT2 STA OBUFADDR+1 ;GETBUFR RETURNS HIBYTE IN A
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LDA #0 ;PREPARE
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STA OBUFADDR ;LOBYTE IS 0 B/C ADDR OF PAGE
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*
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* OPEN FILE
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*
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JSR PRODOS_MLI
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DB OPENCMD
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DA OPENPRMS
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BEQ :CONT3
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JSR OPENERR
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JSR FREEBUFR ;CLEAN UP BEFORE TRY AGAIN
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JMP :ASKFILE
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*
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* COPY FILE NUMBER FROM OPEN PARAMETERS TO READ AND CLOSE
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*
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:CONT3 LDA OPENFNUM
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STA READFNUM
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STA CLOSFNUM
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*
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* GET BUFFER FOR READ OPERATION FROM BASIC.SYSTEM
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*
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LDA #1 ;ONE 256 BYTE BUFFER
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JSR GETBUFR ;CALL BASIC.SYSTEM SUB
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BCC :CONT4
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JSR RBUFERR ;CARRY SET MEANS ERROR
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JMP :CLOSFILE
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:CONT4 STA RBADDR+1 ;STORE HI-BYTE
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STA ZP_A1H ;FOR 0-PAGE INDIRECTION
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LDA #0 ;0 FOR LO-BYTE
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STA RBADDR ;STORE IT
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STA ZP_A1L ;AGAIN, FOR 0-PAGE INDIRECTION
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*
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* PRINT THE FILE
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*
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JSR VIEWFILE
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*
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* CLEANUP
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*
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JSR FREEBUFR ;FREE READ BUFFER
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*
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* Close file
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*
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:CLOSFILE JSR PRODOS_MLI ;CLOSE THE FILE
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DB CLOSCMD
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DA CLOSPRMS
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BEQ :FREEOBUF
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JSR CLOSERR
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:FREEOBUF JSR FREEBUFR ;FREE OPEN I/O BUFFER
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:END NOP
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RTS
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********************************
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* *
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* END OF MAIN - PROGRAM EXIT *
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* *
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********************************
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********************************
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* *
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* PROGRAM INFO AND HELP *
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* *
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********************************
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HELPINFO JSR CROUT
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PUTS INFO0
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JSR CROUT
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PUTS INFO1
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JSR CROUT
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PUTS INFO2
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JSR CROUT
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PUTS INFO3
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JSR CROUT
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PUTS INFO4
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||||
JSR CROUT
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JSR CROUT
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RTS
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********************************
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||||
* *
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||||
* HANDLE ERROR WHEN OPENING *
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* FILE *
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||||
* *
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||||
********************************
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OPENERR STA ERRCODE
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PUTS OERRMSG
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PUTS FILENAME
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LDA #":"
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JSR COUT
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LDA ERRCODE
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JSR ERRPROC
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RTS
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||||
|
||||
********************************
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||||
* *
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||||
* HANDLE ERROR WHEN CLOSING *
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* FILE *
|
||||
* *
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||||
********************************
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||||
CLOSERR STA ERRCODE
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||||
PUTS CERRMSG
|
||||
PUTS FILENAME
|
||||
LDA #"'"
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JSR COUT
|
||||
LDA #":"
|
||||
JSR COUT
|
||||
LDA ERRCODE
|
||||
JSR ERRPROC
|
||||
RTS
|
||||
|
||||
********************************
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||||
* *
|
||||
* HANDLE ERROR WHEN REQUESTING *
|
||||
* READ BUFFER *
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||||
* *
|
||||
********************************
|
||||
RBUFERR STA ERRCODE
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||||
PUTS RBERRMSG
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||||
LDA #":"
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||||
JSR COUT
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||||
LDA ERRCODE
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||||
JSR ERRPROC
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* HANDLE ERROR WHEN REQUESTING *
|
||||
* READ BUFFER *
|
||||
* *
|
||||
********************************
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||||
OBUFERR STA ERRCODE
|
||||
PUTS OBERRMSG
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||||
LDA #":"
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||||
JSR COUT
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||||
LDA ERRCODE
|
||||
JSR ERRPROC
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* PRINT "IN" BUFFER *
|
||||
* *
|
||||
********************************
|
||||
PRINT_IN
|
||||
PUSHY
|
||||
LDA #"X"
|
||||
JSR COUT
|
||||
LDA #"="
|
||||
JSR COUT
|
||||
TXA
|
||||
JSR PRBYTE
|
||||
JSR CROUT
|
||||
|
||||
LDY #0
|
||||
:LOOP CPY #255
|
||||
BEQ :ENDLOOP
|
||||
LDA IN,Y
|
||||
JSR PRBYTE
|
||||
LDA #" "
|
||||
JSR COUT
|
||||
INY
|
||||
JMP :LOOP
|
||||
:ENDLOOP JSR CROUT
|
||||
POPY
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* PRINT STRING BYTES *
|
||||
* *
|
||||
********************************
|
||||
PRSTRBYTES
|
||||
PUSHY
|
||||
LDY #0
|
||||
:LOOP CPY #255
|
||||
BEQ :ENDLOOP
|
||||
LDA FILENAME,Y
|
||||
JSR PRBYTE
|
||||
LDA #" "
|
||||
JSR COUT
|
||||
INY
|
||||
JMP :LOOP
|
||||
:ENDLOOP JSR CROUT
|
||||
POPY
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* VIEW FILE SUB *
|
||||
* *
|
||||
********************************
|
||||
|
||||
VIEWFILE
|
||||
DO TRACE
|
||||
PUTS ENVIEW
|
||||
FIN
|
||||
|
||||
SET1 LINENUM ;INIT LINE NUMBER
|
||||
:LOOP JSR PRODOS_MLI ;CALL PRODOS TO READ FILE
|
||||
DB READCMD ;SPECIFY PRODOS READ COMMAND
|
||||
DA READPRMS ;READ PARAMETERS
|
||||
BNE :READERR
|
||||
JSR WRITEBUF ;WRITE TO SCREEN WHAT WAS READ
|
||||
LDA #1 ;PREPARE FOR NEXT OP
|
||||
CMP USRQUIT ;IF USER WANTS TO QUIT, THEN
|
||||
BEQ :ENDLOOP ;EXIT THE LOOP
|
||||
JMP :LOOP ;ELSE, GET THE NEXT BUFFER
|
||||
:READERR JSR ERRPROC
|
||||
:ENDLOOP NOP
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* WRITE BUFFER TO SCREEN *
|
||||
* *
|
||||
********************************
|
||||
|
||||
WRITEBUF
|
||||
PUSHY
|
||||
LDY #0 ;INIT CHAR COUNTER VARIABLE
|
||||
:LOOP CPY READCNT ;COMPARE TO MAX CHARS
|
||||
BEQ :ENDLOOP
|
||||
LDA (ZP_A1L),Y ;GET CHAR FROM BUFFER
|
||||
ORA #%10000000 ;TURN ON HIGH BIT FOR PRINTING
|
||||
JSR COUT ;COUT PRESERVES ACCUM
|
||||
*
|
||||
* CHECK END OF LINE
|
||||
*
|
||||
CMP #CR_HIBIT ;COMPARE TO CARRIAGE RETURN
|
||||
BNE :CONT ;IF NOT END OF LINE, NEXT CHAR
|
||||
INC LINENUM ;NEXT LINE HAS BEEN REACHED
|
||||
*
|
||||
* CHECK AT END OF PAGE
|
||||
*
|
||||
LDA LINENUM
|
||||
CMP #SCR_HGHT ;AT BOTTOM OF SCREEN?
|
||||
BNE :CONT ;NO? THEN NEXT CHAR
|
||||
JSR STATBAR ;YES? THEN SHOW THE STATUS BAR
|
||||
LDA #1 ;SETUP FOR NEXT LINE
|
||||
CMP USRQUIT ;DID USER ASK TO QUIT
|
||||
BEQ :ENDLOOP ;YES? THEN END SUB
|
||||
:CONT INY ;STATBAR HAS ADJUSTED LINENUM
|
||||
JMP :LOOP
|
||||
:ENDLOOP NOP
|
||||
POPY
|
||||
|
||||
DO TRACE
|
||||
PUTS EXWRITEBUF
|
||||
FIN
|
||||
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* PRINT ASCII IN HEX *
|
||||
* *
|
||||
********************************
|
||||
|
||||
PRASCII PHA
|
||||
LDA #"["
|
||||
JSR COUT
|
||||
PLA
|
||||
JSR PRBYTE
|
||||
LDA #"]"
|
||||
JSR COUT
|
||||
LDA #" "
|
||||
JSR COUT
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* DO THE STATUS BAR *
|
||||
* *
|
||||
********************************
|
||||
|
||||
STATBAR
|
||||
DO TRACE
|
||||
PUTS ENSTATB
|
||||
FIN
|
||||
|
||||
PUSHY
|
||||
PUTS BAR
|
||||
:LOOP JSR RDKEY ;GET A KEY FROM THE USER
|
||||
CMP #" " ;CHECK IF SPACE ENTERED
|
||||
BNE :CHKCR ;IF NOT FORWARD TO NEXT CHECK
|
||||
SET1 LINENUM ;ADVANCE ONE PAGE, STORE 1
|
||||
JMP :ENDLOOP ;PROCESSED SPACE SO DONE
|
||||
:CHKCR CMP #CR_HIBIT ;CHECK FOR CARRIAGE RETURN
|
||||
BNE :CHKQUIT
|
||||
SET23 LINENUM
|
||||
JMP :ENDLOOP
|
||||
:CHKQUIT CMP #"Q" ;USER WANTS TO QUIT
|
||||
BNE :LOOP ;NO RECOGNIZED INPUT
|
||||
SET1 USRQUIT
|
||||
:ENDLOOP JSR ERASEBAR
|
||||
POPY
|
||||
|
||||
DO TRACE
|
||||
PUTS EXSTATB
|
||||
FIN
|
||||
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* ERASE STATUS BAR *
|
||||
* *
|
||||
********************************
|
||||
|
||||
ERASEBAR
|
||||
DO TRACE
|
||||
PUTS ENERASEB
|
||||
FIN
|
||||
|
||||
PUSHY
|
||||
SET0 OURCH ;RESET CURSOR TO BEG OF LINE
|
||||
LDY #0 ;INIT COUNTER FOR SPACES
|
||||
:LOOP CPY BAR ;FIRST BYTE IS LENGTH
|
||||
BEQ :ENDLOOP ;IF Y=LEN THEN DONE
|
||||
LDA #" " ;LOAD SPACE
|
||||
JSR COUT ;WRITE TO SCREEN
|
||||
INY ;MAKE PROGRESS
|
||||
JMP :LOOP ;LOOP TO NEXT CHAR
|
||||
:ENDLOOP SET0 OURCH ;RESET CURSON TO BEG OF LINE
|
||||
POPY
|
||||
|
||||
DO TRACE
|
||||
PUTS EXERASEB
|
||||
FIN
|
||||
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* ERROR HANDLER *
|
||||
* INPUT PARAM: A HOLDS ERRCODE *
|
||||
* *
|
||||
********************************
|
||||
|
||||
ERRPROC
|
||||
STA ERRCODE
|
||||
CMP #0
|
||||
BNE :EEOF
|
||||
JMP :END
|
||||
|
||||
:EEOF CMP #EOFERR
|
||||
BNE :E01
|
||||
JMP :END
|
||||
|
||||
:E01 CMP #1
|
||||
BNE :E04
|
||||
PUTS E01MSG
|
||||
JMP :END
|
||||
|
||||
:E04 CMP #4
|
||||
BNE :E25
|
||||
PUTS E04MSG
|
||||
JMP :END
|
||||
|
||||
:E25 CMP #$25
|
||||
BNE :E27
|
||||
PUTS E25MSG
|
||||
JMP :END
|
||||
|
||||
:E27 CMP #$27
|
||||
BNE :E28
|
||||
PUTS E27MSG
|
||||
JMP :END
|
||||
|
||||
:E28 CMP #$28
|
||||
BNE :E2B
|
||||
PUTS E28MSG
|
||||
JMP :END
|
||||
|
||||
:E2B CMP #$2B
|
||||
BNE :E2E
|
||||
PUTS E2BMSG
|
||||
JMP :END
|
||||
|
||||
:E2E CMP #$2E
|
||||
BNE :E40
|
||||
PUTS E2EMSG
|
||||
JMP :END
|
||||
|
||||
:E40 CMP #$40
|
||||
BNE :E42
|
||||
PUTS E40MSG
|
||||
JMP :END
|
||||
|
||||
:E42 CMP #$42
|
||||
BNE :E43
|
||||
PUTS E42MSG
|
||||
JMP :END
|
||||
|
||||
:E43 CMP #$43
|
||||
BNE :E44
|
||||
PUTS E43MSG
|
||||
JMP :END
|
||||
|
||||
:E44 CMP #$44
|
||||
BNE :E45
|
||||
PUTS E44MSG
|
||||
JMP :END
|
||||
|
||||
:E45 CMP #$45
|
||||
BNE :E46
|
||||
PUTS E45MSG
|
||||
JMP :END
|
||||
|
||||
:E46 CMP #$46
|
||||
BNE :E47
|
||||
PUTS E46MSG
|
||||
JMP :END
|
||||
|
||||
:E47 CMP #$47
|
||||
BNE :E48
|
||||
PUTS E47MSG
|
||||
JMP :END
|
||||
|
||||
:E48 CMP #$48
|
||||
BNE :E49
|
||||
PUTS E48MSG
|
||||
JMP :END
|
||||
|
||||
:E49 CMP #$49
|
||||
BNE :E4A
|
||||
PUTS E49MSG
|
||||
JMP :END
|
||||
|
||||
:E4A CMP #$4A
|
||||
BNE :E4B
|
||||
PUTS E4AMSG
|
||||
JMP :END
|
||||
|
||||
:E4B CMP #$4B
|
||||
BNE :E4C
|
||||
PUTS E4BMSG
|
||||
JMP :END
|
||||
|
||||
:E4C CMP #$4C
|
||||
BNE :E4D
|
||||
PUTS E4CMSG
|
||||
JMP :END
|
||||
|
||||
:E4D CMP #$4D
|
||||
BNE :E4E
|
||||
PUTS E4DMSG
|
||||
JMP :END
|
||||
|
||||
:E4E CMP #$4E
|
||||
BNE :E50
|
||||
PUTS E4EMSG
|
||||
JMP :END
|
||||
|
||||
:E50 CMP #$50
|
||||
BNE :E51
|
||||
PUTS E50MSG
|
||||
JMP :END
|
||||
|
||||
:E51 CMP #$51
|
||||
BNE :E52
|
||||
PUTS E51MSG
|
||||
JMP :END
|
||||
|
||||
:E52 CMP #$52
|
||||
BNE :E53
|
||||
PUTS E52MSG
|
||||
JMP :END
|
||||
|
||||
:E53 CMP #$53
|
||||
BNE :E55
|
||||
PUTS E53MSG
|
||||
JMP :END
|
||||
|
||||
:E55 CMP #$55
|
||||
BNE :E56
|
||||
PUTS E55MSG
|
||||
JMP :END
|
||||
|
||||
:E56 CMP #$56
|
||||
BNE :E57
|
||||
PUTS E56MSG
|
||||
JMP :END
|
||||
|
||||
:E57 CMP #$57
|
||||
BNE :E5A
|
||||
PUTS E57MSG
|
||||
JMP :END
|
||||
|
||||
:E5A CMP #$5A
|
||||
BNE :E_UNK
|
||||
PUTS E5AMSG
|
||||
JMP :END
|
||||
|
||||
:E_UNK PUTS E_UNK_MSG
|
||||
LDA #":"
|
||||
JSR COUT
|
||||
LDA ERRCODE
|
||||
JSR PRBYTE
|
||||
:END JSR CROUT
|
||||
RTS
|
||||
|
||||
********************************
|
||||
* *
|
||||
* DATA DIVISION HAHA *
|
||||
* *
|
||||
********************************
|
||||
|
||||
INFOLINE STR "ENTER [?] FOR PROGRAM INFO AND HELP"
|
||||
INFO0 STR "MORE - PAGES THROUGH TEXT FILE"
|
||||
INFO1 STR "COPYRIGHT (C) 2024 BILL CHATFIELD"
|
||||
INFO2 STR "DISTRIBUTED UNDER THE GPL VERSION 3"
|
||||
INFO3 STR "https://github.com/gungwald/prodos-more"
|
||||
INFO4 STR "PRESS RETURN TO QUIT"
|
||||
PROMPT STR "FILE:"
|
||||
ERRTXT STR "ERROR:"
|
||||
FILENAME DS $FF
|
||||
ERRCODE DS 1
|
||||
LINENUM DS 1
|
||||
BAR STR '[RET] LINE [SPC] PAGE [Q]UIT'
|
||||
USRQUIT DS 1
|
||||
BUFCHAR DS 1
|
||||
USRCHAR DS 1
|
||||
|
||||
OERRMSG STR "CANNOT OPEN "
|
||||
CERRMSG STR "CANNOT CLOSE "
|
||||
RBERRMSG STR "CANNOT CREATE READ BUFFER"
|
||||
OBERRMSG STR "CANNOT CREATE FILE BUFFER"
|
||||
|
||||
E00MSG STR "NO ERROR"
|
||||
E01MSG STR "BAD SYSTEM CALL NUMBER"
|
||||
E04MSG STR "BAD SYSTEM CALL PARAMETER COUNT"
|
||||
E25MSG STR "INTERRUPT TABLE FULL"
|
||||
E27MSG STR "I/O ERROR"
|
||||
E28MSG STR "NO DEVICE CONNECTED"
|
||||
E2BMSG STR "DISK WRITE PROTECTED"
|
||||
E2EMSG STR "DISK SWITCHED"
|
||||
E40MSG STR "INVALID PATHNAME"
|
||||
E42MSG STR "MAXIMUM NUMBER OF FILES OPEN"
|
||||
E43MSG STR "INVALID REFERENCE NUMBER"
|
||||
E44MSG STR "DIRECTORY NOT FOUND"
|
||||
E45MSG STR "VOLUME NOT FOUND"
|
||||
E46MSG STR "FILE NOT FOUND"
|
||||
E47MSG STR "DUPLICATE FILENAME"
|
||||
E48MSG STR "VOLUME FULL"
|
||||
E49MSG STR "VOLUME DIRECTORY FULL"
|
||||
E4AMSG STR "INCOMPATIBLE FILE FORMAT OR PRODOS DIRECTORY"
|
||||
E4BMSG STR "UNSUPPORTED STORAGE TYPE"
|
||||
E4CMSG STR "END OF FILE ENCOUNTERED"
|
||||
E4DMSG STR "POSITION OUT OF RANGE"
|
||||
E4EMSG STR "FILE ACCESS ERROR OR FILE LOCKED"
|
||||
E50MSG STR "FILE IS OPEN"
|
||||
E51MSG STR "DIRECTORY STRUCTURE DAMAGED"
|
||||
E52MSG STR "NOT A PRODOS VOLUME"
|
||||
E53MSG STR "INVALID SYSTEM CALL PARAMETER"
|
||||
E55MSG STR "VOLUME CONTROL BLOCK TABLE FULL"
|
||||
E56MSG STR "BAD BUFFER ADDRESS"
|
||||
E57MSG STR "DUPLICATE VOLUME"
|
||||
E5AMSG STR "FILE STRUCTURE DAMAGED"
|
||||
E_UNK_MSG STR "UNKNOWN ERROR CODE"
|
||||
|
||||
ENVIEW STR 'ENTERING VIEWFILE'
|
||||
EXVIEW STR 'EXITING VIEWFILE'
|
||||
EXWRITEBUF STR 'EXITING WRITEBUF'
|
||||
ENSTATB STR 'ENTERING STATUSBAR'
|
||||
EXSTATB STR 'EXITING STATUSBAR'
|
||||
ENERASEB STR 'ENTERING ERASEBAR'
|
||||
EXERASEB STR 'EXITING ERASEBAR'
|
||||
*
|
||||
* OPEN PARAMETERS
|
||||
*
|
||||
OPENPRMS DB 3
|
||||
DA FILENAME
|
||||
OBUFADDR DS 2
|
||||
OPENFNUM DS 1
|
||||
*
|
||||
* READ PARAMETERS
|
||||
*
|
||||
READPRMS DB 4
|
||||
READFNUM DS 1
|
||||
RBADDR DS 2
|
||||
REQCNT DW BUFSIZE
|
||||
READCNT DS 2
|
||||
*
|
||||
* CLOSE PARAMETERS
|
||||
*
|
||||
CLOSPRMS DB 1
|
||||
CLOSFNUM DS 1
|
||||
*
|
||||
* BUFFERS
|
||||
*
|
||||
* CONSUME ALL BYTES UP TO THE NEXT PAGE BOUNDRY
|
||||
FILLER DS \,$00
|
||||
* MUST START ON PAGE BOUNDRY
|
||||
*OPENBUF DS 1024
|
||||
*READBUF DS BUFSIZE
|
||||
Loading…
x
Reference in New Issue
Block a user