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108 lines
2.0 KiB
Plaintext
108 lines
2.0 KiB
Plaintext
;
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; Program: SETFILE
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; Author: Richard Conn
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; Version: 1.0
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; Date: 5 Mar 84
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;
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version equ 10
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;
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; SETFILE defines the name of a ZCPR3 File Name or displays it.
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;
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;
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; Equates for Key Values
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;
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z3env SET 0f400h ;address of ZCPR3 environment
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fnum equ 5ch+1 ;file number in 1st FCB
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fcb equ 6ch ;2nd FCB
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cr equ 0dh
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lf equ 0ah
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;
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; External Z3LIB and SYSLIB Routines
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;
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ext z3init,getfn1,print,pfn1,moveb,qprint,cout
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;
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; Environment Definition
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;
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if z3env ne 0
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;
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; External ZCPR3 Environment Descriptor
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;
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jmp start
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db 'Z3ENV' ;This is a ZCPR3 Utility
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db 1 ;External Environment Descriptor
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z3eadr:
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dw z3env
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start:
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lhld z3eadr ;pt to ZCPR3 environment
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;
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else
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;
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; Internal ZCPR3 Environment Descriptor
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;
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MACLIB Z3BASE.LIB
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MACLIB SYSENV.LIB
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z3eadr:
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jmp start
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SYSENV
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start:
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lxi h,z3eadr ;pt to ZCPR3 environment
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endif
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;
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; Start of Program -- Initialize ZCPR3 Environment and Print Banner
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;
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call z3init ;initialize the ZCPR3 Environment
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call qprint
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db 'SETFILE, Version '
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db (version/10)+'0','.',(version mod 10)+'0',cr,lf,0
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;
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; Check Number of File
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;
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lxi h,0 ;init count
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lxi d,11 ;size of each file name
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lda fnum ;get number
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sui '0' ;convert to binary
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jc error
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jz error
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cpi 5 ;range?
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jc selfile
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;
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; Print Error Message
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;
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error:
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call print
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db ' Invalid File Name Number (not 1-4)',0
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ret
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;
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; Set Name of File
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;
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selfile:
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dad d ;compute offset from file name 1
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dcr a ;count down
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jnz selfile
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xchg ;DE contains offset
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call getfn1 ;get ptr to shell file name
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dad d ;get ptr to file name selected
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lxi d,fcb+1 ;pt to name in FCB
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xchg ;copy from FCB
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mvi b,11 ;11 bytes
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mov a,m ;get first char
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cpi ' ' ;don't define if no name
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cnz moveb ;define name if name given
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;
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; Print Name of Shell Variable File
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;
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call print
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db ' File Name ',0
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lda fnum ;get number
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call cout ;print it
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call print
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db ' is ',0
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jmp pfn1
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end
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