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Extract inc-readrec from inc-fgetc

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This commit is contained in:
Philip Zembrod 2023-08-25 23:11:09 +02:00
parent 3c288beac5
commit b762d6ecb0
2 changed files with 11 additions and 11 deletions
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2
8080/CPM/src/include.fb
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File diff suppressed because one or more lines are too long

20
8080/CPM/src/include.fth
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@ -58,22 +58,22 @@
\ *** Block No. 3, Hexblock 3
\ incfile incpos inc-fgetc phz 07mai23
\ incfile incpos inc-fgetc phz 25aug23
variable incfile
variable incpos 2 allot
create rec-offset 1 allot $80 constant dmabuf
: inc-readrec ( -- f )
0 rec-offset c! dmabuf dma!
incfile @ drive iread-seq ;
: inc-fgetc ( -- c )
rec-offset c@ b/rec u< 0= IF dmabuf dma!
incfile @ drive iread-seq IF ctrl-z exit THEN
0 rec-offset c! THEN
rec-offset c@ dup 1+ rec-offset c! dmabuf + c@
; \\
incfile @ f.handle @ 0= IF
incpos 2@ incfile @ fseek THEN
incfile @ fgetc
incpos 2@ 1. d+ incpos 2! ;
rec-offset c@ b/rec u< 0=
IF inc-readrec IF ctrl-z exit THEN THEN
rec-offset c@ dup 1+ rec-offset c! dmabuf + c@ ;
\ *** Block No. 4, Hexblock 4