mirror of
https://github.com/pkali/micro-sparta-dos.git
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Pecusx
95 lines
2.3 KiB
NASM
95 lines
2.3 KiB
NASM
; .PAGE "FTe SYSTEM EQUATES FOR ATARI"
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;
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; FILE = #DN:SYSEQU.ASM
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;
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;
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; I/O CONTROL BLOCK EQUATES
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;
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;SAVEPC = * ; SAVE CURRENT ORG
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;
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IOCB = $0340 ;START OF SYSTEM IOCBS
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;
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ICHID = IOCB ;DEVICE HANDLER IS (SET BY OS)
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ICDNO = IOCB+1 ;DEVICE NUMBER (SET BY OS)
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ICCOM = IOCB+2 ;I/O COMMAND
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ICSTA = IOCB+3 ;I/O STATUS
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ICBADR = IOCB+4 ;BUFFER ADDRESS
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ICPUT = IOCB+6 ;DH PUT ROUTINE (ADR-1)
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ICBLEN = IOCB+8 ;BUFFER LENGTH
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ICAUX1 = IOCB+10 ;AUX 1
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ICAUX2 = IOCB+11 ;AUX 2
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ICAUX3 = IOCB+12 ;AUX 3
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ICAUX4 = IOCB+13 ;AUX 4
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ICAUX5 = IOCB+14 ;AUX 5
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ICAUX6 = IOCB+15 ;AUX 6
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;
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IOCBLEN = 16 ;LENGTH OF ONE IOCB
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;
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; IOCB COMMAND VALUE EQUATES
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;
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COPN = 3 ;OPEN
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CGBINR = 7 ;GET BINARY RECORD
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CGTXTR = 5 ;GET TEXT RECORD
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CPBINR = 11 ;PUT BINARY RECORD
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CPTXTR = 9 ;PUT TEXT RECORD
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CCLOSE = 12 ;CLOSE
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CSTAT = 13 ;GET STATUS
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;
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; DEVICE DEPENDENT COMMAND EQUATES FOR FILE MANAGER
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;
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CREN = 32 ;RENAME
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CERA = 33 ;ERASE
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CPRO = 35 ;PROTECT
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CUNP = 36 ;UNPROTECT
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CPOINT = 37 ;POINT
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CNOTE = 38 ;NOTE
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;
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; AUX1 VALUES REQD FOR OPEN
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;
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OPIN = 4 ;OPEN INPUT
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OPOUT = 8 ;OPEN OUTPUT
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OPUPD = 12 ;OPEN UPDATE
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OPAPND = 9 ;OPEN APPEND
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OPDIR = 6 ;OPEN DIRECTORY
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;
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; .PAGE
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;
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; EXECUTE FLAG DEFINES
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;
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EXCYES = $80 ; EXECUTE IN PROGRESS
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EXCSCR = $40 ; ECHO EXCUTE INPUT TO SCREEN
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EXCNEW = $10 ; EXECUTE START UP MODE
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EXCSUP = $20 ; COLD START EXEC FLAG
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;
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; MISC ADDRESS EQUATES
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;
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CPALOC = $0A ; POINTER TO CP/A
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WARMST = $08 ; WAR, START (0=COLD)
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MEMLO = $02E7 ; AVAIL MEM (LOW) PTR
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MEMTOP = $02E5 ; AVAIL MEM (HIGH) PTR
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APPMHI = $0E ; UPPER LIMIT OF APPLICATION MEMORY
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INITADR = $02E2 ; ATARI LOAD/INIT ADR
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GOADR = $02E0 ; ATARI LOAD/GO ADR
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CARTLOC = $BFFA ; CARTRIDGE RUN LOCATION
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CIO = $E456 ;CIO ENTRY ADR
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EOL = $9B ; END OF LINE CHAR
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;
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; CP/A FUNCTION AND VALUE DISPLACEMSNT
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; (INDIRECT THROUGH CPALOC)
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; IE. (CPALOC),Y
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;
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CPGNFN = 3 ; GET NEXT FILE NAME
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CPDFDV = $07 ; DEFAULT DRIVE (3 BYTES)
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CPBUFP = $0A ; CMD BUFF NEXT CHAR POINTR (1 BYTE)
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CPEXFL = $0B ; EXECUTE FLAG
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CPEXFN = $0C ; EXECUTE FILE NAME (16 BYTES)
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CPEXNP = $1C ; EXECUTE NOTE/POINT VALUES
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CPFNAM = $21 ; FILENAME BUFFER
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RUNLOC = $3D ; CP/A LOAD/RUN ADR
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CPCMDB = $3F ; COMMAND BUFFER (60 BYTES)
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CPCMDGO = $F3
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;
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; *= SAVEPC ; RESTORE PC
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;
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