Extract vf-bdos.fth from source.fth and use it building v4th.com.

This removes the remaining use of source.fb for building v4th.com.
This commit is contained in:
Philip Zembrod 2024-10-09 04:15:31 +02:00
parent da911706ce
commit 33cd326d9a
3 changed files with 151 additions and 4 deletions

View File

@ -80,8 +80,8 @@ inctest.log: \
$(cpmfilesdir)/v4th.com: \
$(patsubst %, $(cpmfilesdir)/%, volks4th.com \
include.fb log2file.fb target.fb source.fb \
v4th.fth vf-core.fth vf-io.fth vf-bufs.fth vf-sys.fth vf-end.fth) \
include.fb log2file.fb target.fb v4th.fth vf-core.fth \
vf-io.fth vf-bufs.fth vf-sys.fth vf-end.fth vf-bdos.fth) \
Makefile | emu
rm -f $(runcpmdir)/A/0/V4TH.COM $@
./emulator/run-in-runcpm.sh \

View File

@ -7,8 +7,7 @@ Target definitions $100 here!
include vf-io.fth
include vf-bufs.fth
include vf-sys.fth
use source.fb
$76 load \ Standard 8080-System
include vf-bdos.fth
include vf-end.fth
cr .( unresolved: ) .unresolved ( ' .blk is .status )

148
8080/CPM/src/vf-bdos.fth Normal file
View File

@ -0,0 +1,148 @@
\ *** Block No. 119, Hexblock 77
\ CP/M-Interface 05Oct87
Vocabulary Dos Dos definitions also
Label >bios pchl
Code biosa ( arg fun -- res )
1 lhld D pop D dcx D dad D dad D dad
D pop IP push D IP mvx >bios call
Label back
IP pop 0 H mvi A L mov Hpush jmp end-code
Code bdosa ( arg fun -- res )
H pop D pop IP push L C mov 5 call back jmp
end-code
: bios ( arg fun -- ) biosa drop ;
: bdos ( arg fun -- ) bdosa drop ;
\ *** Block No. 120, Hexblock 78
\ Character-IO Constants Character input 05Oct87
Target Dos also
$08 Constant #bs $0D Constant #cr
$0A Constant #lf $1B Constant #esc
$09 Constant #tab $7F Constant #del
$07 Constant #bel $0C Constant #ff
: con! ( c -- ) 4 bios ;
: (key? ( -- ? ) 0 2 biosa 0= not ;
: getkey ( -- c ) 0 3 biosa ;
: (key ( -- c ) BEGIN pause (key? UNTIL getkey ;
\ *** Block No. 121, Hexblock 79
\ Character output 07Oct87 UH 27Feb88
| Code ?ctrl ( c -- c' ) H pop L A mov
$20 cpi cs ?[ $80 ori ]? A L mov Hpush jmp end-code
: (emit ( c -- ) ?ctrl con! pause ;
: (cr #cr con! #lf con! ;
: (del #bs con! bl con! #bs con! ;
: (at? ( -- row col ) 0 0 ;
: tipp ( addr len -- ) 0 ?DO count emit LOOP drop ;
Output: display [ here output ! ]
(emit (cr tipp (del noop 2drop (at? ;
\ *** Block No. 122, Hexblock 7a
\ Line input 04Oct87
| : backspace ( addr pos1 -- addr pos2 ) dup 0=exit (del 1- ;
: (decode ( addr pos1 key -- addr pos2 )
#bs case? IF backspace exit THEN
#del case? IF backspace exit THEN
#cr case? IF dup span ! space exit THEN
dup emit >r 2dup + r> swap c! 1+ ;
: (expect ( addr len -- ) span ! 0
BEGIN span @ over u> WHILE key decode REPEAT 2drop ;
Input: keyboard [ here input ! ]
(key (key? (decode (expect ;
\ *** Block No. 123, Hexblock 7b
\ Default Disk Interface: Constants and Primitives 18Nov87
$80 Constant b/rec b/blk b/rec / Constant rec/blk
Dos definitions
' 2- | Alias dosfcb> ' 2+ | Alias >dosfcb
: dos-error? ( n -- f ) $FF = ;
$5C Constant fcb
: reset ( -- ) 0 &13 bdos ;
: openfile ( fcb -- f ) &15 bdosa dos-error? ;
: closefile ( fcb -- f ) &16 bdosa dos-error? ;
: dma! ( dma -- ) &26 bdos ;
: rec@ ( fcb -- f ) &33 bdosa ;
: rec! ( fcb -- f ) &34 bdosa ;
\ *** Block No. 124, Hexblock 7c
\ Default Disk Interface: open and close 20Nov87
Target Dos also Defer drvinit Dos definitions
| Variable opened
: default ( -- ) opened off
fcb 1+ c@ bl = ?exit $80 count here place #tib off
fcb dup dosfcb> dup isfile ! fromfile !
openfile Abort" default file not found!" opened on ;
' default Is drvinit
: close-default ( -- ) opened @ not ?exit
fcb closefile Abort" can't close default-file!" ;
' close-default Is save-dos-buffers
\ *** Block No. 125, Hexblock 7d
\ Default Disk Interface: read/write 14Feb88
Target Dos also
| : rec# ( 'dosfcb -- 'rec# ) &33 + ;
: (r/w ( adr blk file r/wf -- flag ) >r
dup 0= Abort" no Direct Disk IO supported! " >dosfcb
swap rec/blk * over rec# 0 over 2+ c! !
r> rot b/blk bounds
DO I dma! 2dup IF rec@ drop
ELSE rec! IF 2drop true endloop exit THEN THEN
over rec# 0 over 2+ c! 1 swap +!
b/rec +LOOP 2drop false ;
' (r/w Is r/w
\ *** Block No. 126, Hexblock 7e
\ Postlude 20Nov87
Defer postlude
| : (bye ( -- ) postlude 0 0 bdos ;
| : #pages ( -- n ) here $100 - $100 u/mod swap 0=exit 1+ ;
: .size ( -- ) base push decimal
cr ." Size: &" #pages u. ." Pages" ;
' .size Is postlude