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SHFILE.MAC
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2000-06-30
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105 lines
;
; Program: SHFILE
; Author: Richard Conn
; Version: 1.0
; Date: 5 Mar 84
;
version equ 10
;
; SHFILE defines the name of the shell variable file or displays it.
;
;
; Equates for Key Values
;
z3env SET 0f400h ;address of ZCPR3 environment
fcb equ 5ch
cr equ 0dh
lf equ 0ah
;
; External Z3LIB and SYSLIB Routines
;
ext z3init,getfn1,print,pfn1,moveb,qprint
;
; Environment Definition
;
if z3env ne 0
;
; External ZCPR3 Environment Descriptor
;
jmp start
db 'Z3ENV' ;This is a ZCPR3 Utility
db 1 ;External Environment Descriptor
z3eadr:
dw z3env
start:
lhld z3eadr ;pt to ZCPR3 environment
;
else
;
; Internal ZCPR3 Environment Descriptor
;
MACLIB Z3BASE.LIB
MACLIB SYSENV.LIB
z3eadr:
jmp start
SYSENV
start:
lxi h,z3eadr ;pt to ZCPR3 environment
endif
;
; Start of Program -- Initialize ZCPR3 Environment and Print Banner
;
call z3init ;initialize the ZCPR3 Environment
call qprint
db 'SHFILE, Version '
db (version/10)+'0','.',(version mod 10)+'0',cr,lf,0
;
; Set Name of Shell Variable File
;
call getfn1 ;get ptr to file name 1
lxi d,fcb+1 ;pt to name in FCB
xchg ;copy from FCB
mvi b,11 ;11 bytes
mov a,m ;get first char
cpi ' ' ;don't define if no name
jz prshfile
call moveb ;define name
call setshdef ;set default file type if none given
;
; Print Name of Shell Variable File
;
prshfile:
call print
db ' Shell Variable File Name is ',0
call getfn1 ;pt to name
xchg
call pfn1
ret
;
; Set Type of Shell Variable File if None Given
;
setshdef:
call getfn1 ;check for file type
lxi d,8 ;pt to file byte
dad d
xchg
lxi h,shvtype ;default file type
mvi b,3 ;3 chars
ldax d ;get char
cpi ' ' ;set if space
cz moveb ;copy
ret
;
; Buffers
;
shvtype:
db 'VAR'
end