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LIST.MAC
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Text File
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1987-02-01
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1KB
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73 lines
; list file on printer, no translations of any kind.
; Used to emit graphics files.
;
bdos equ 5
fcb equ 05ch
dbuf equ 080h
;
@lout equ 5
@tstr equ 9
@fopen equ 15
@fread equ 20
;
org 0100h
;
list: lxi h,0
dad sp
lxi sp,stack
push h
lxi d,fcb
mvi a,@fopen
call dos
inr a
jz nofile; not found
lxi h,dbuf
; " "
; de is ^file, hl is i/o pointer
list1: mvi a,@fread
call dos
jnz exit; physical eof
call dump
jmp list1
;
nofile: lxi d,msg
mvi a,@tstr
call dos
; " "
exit: pop h
sphl
ret
;
; dump buffer hl^ to list, assumed at defdma
; a,f
dump: push h
push d
dump1: mov e,m
mvi a,@lout
call dos
inr l
jm dump1; not end of buffer
pop d
pop h
ret
; Dos call a
; a,f
dos: push b
push d
push h
mov c,a
call bdos
ora a
pop h
pop d
pop b
ret
;
msg: db 'Not found. Usage: "LIST fn.ft"$'
;
ds 48
stack:
end
àI