mirror of
https://github.com/SEPPDROID/Digital-Research-Source-Code.git
synced 2025-10-23 00:14:25 +00:00
557 lines
14 KiB
ObjectPascal
557 lines
14 KiB
ObjectPascal
(*************************************************************************)
|
|
(* *)
|
|
(* CPM-TO-DOS v1.00 (c) Copyright S.J.Kay 18th April 1995 *)
|
|
(* *)
|
|
(* Copys CP/M files to DOS *)
|
|
(* *)
|
|
(*************************************************************************)
|
|
|
|
{ WARNING - Make sure the END address is lowered to say about $8000 }
|
|
{ before compiling to disk otherwise it will crash when used from }
|
|
{ within a SUBMIT file. This happens to any TURBO v2.00a compiled }
|
|
{ program because it does not check the TPA size !. }
|
|
|
|
{ As TURBO v2.00a compiled programs overwrite part of the command }
|
|
{ line parameters (only 1st 31 characters are intact) make sure that }
|
|
{ FIXTURBO.COM is run on this compiled program to allow full access }
|
|
{ to command line parameters. }
|
|
|
|
{$C-} { turn off ^C and ^S checking }
|
|
|
|
const
|
|
ComLne : string[127] = 'PARAMETERS'; { filled in by patch code }
|
|
|
|
ENDBUF = $3FFF; { 16 K copy buffer }
|
|
ENDDIR = $1F; { 32 filename directory buffer }
|
|
TMPFLE = 'CPMTODOS.$$$';
|
|
|
|
type
|
|
String12 = string[12];
|
|
String127 = string[127];
|
|
|
|
registers = record
|
|
case boolean of
|
|
true : (AL, AH, BL, BH, CL, CH, DL, DH : byte);
|
|
false : (AX, BX, CX, DX,
|
|
BP, SI, DI, DS, ES, FLAGS : integer)
|
|
end;
|
|
|
|
var
|
|
R : registers;
|
|
F : file;
|
|
Buffer : array [0..ENDBUF] of byte;
|
|
DirBuf : array [0..ENDDIR] of String12;
|
|
DMA : array [0..3, 0..31] of char;
|
|
FCB : array [0..35] of byte;
|
|
|
|
CPMdrv : byte;
|
|
DirMsk : String127;
|
|
DOSPth : String127;
|
|
CPMPth : String127;
|
|
|
|
Quiet : boolean;
|
|
ChkWrt : boolean;
|
|
OvrWrt : boolean;
|
|
Error : integer;
|
|
|
|
|
|
procedure ProcZ80 (Fn, Ax : byte; BCx, DEx, HLx : integer);
|
|
begin
|
|
inline
|
|
(
|
|
$3A/Fn/ { ld a,(Fn) }
|
|
$32/* + 17/ { ld (FNCNMB),a }
|
|
$3A/Ax/ { ld a,(Ax) }
|
|
$ED/$4B/BCx/ { ld bc,(BCx) }
|
|
$ED/$5B/DEx/ { ld de,(DEx) }
|
|
$2A/HLx/ { ld hl,(HLx) }
|
|
$D3/$FF { out (FNCNMB),a }
|
|
)
|
|
end;
|
|
|
|
|
|
procedure Intr (Int : byte; var R : registers);
|
|
begin
|
|
ProcZ80($A1, Int, $AA55, $55AA, addr(R))
|
|
end;
|
|
|
|
|
|
procedure Msdos (var R : registers);
|
|
begin
|
|
Intr($21, R)
|
|
end;
|
|
|
|
|
|
function Seg (var Dummy) : integer;
|
|
const
|
|
SegAdr : integer = 0;
|
|
begin
|
|
ProcZ80($A0, 0, 0, 0, addr(SegAdr));
|
|
Seg := SegAdr
|
|
end;
|
|
|
|
|
|
function Ofs (var VarTyp) : integer;
|
|
begin
|
|
Ofs := addr(VarTyp)
|
|
end;
|
|
|
|
|
|
type
|
|
DOSFle = record
|
|
Path : array [0..127] of byte;
|
|
Handle : integer
|
|
end;
|
|
|
|
var
|
|
ioresultDOS : integer;
|
|
D : DOSFle;
|
|
|
|
|
|
procedure AssignDOS (var F : DOSFle; Name : String127);
|
|
begin
|
|
move(Name[1], F.Path, length(Name));
|
|
F.Path[length(Name)] := 0
|
|
end;
|
|
|
|
|
|
procedure ResetDOS (var F : DOSFle);
|
|
begin
|
|
R.AH := $3D; { open file handle function }
|
|
R.AL := $02; { read/write access }
|
|
R.DS := seg(F.Path);
|
|
R.DX := ofs(F.Path);
|
|
Msdos(R); { open DOS file }
|
|
if odd(R.FLAGS) then
|
|
ioresultDOS := R.AX
|
|
else
|
|
begin
|
|
ioresultDOS := 0;
|
|
F.Handle := R.AX { file handle }
|
|
end
|
|
end;
|
|
|
|
|
|
procedure RewriteDOS (var F : DOSFle);
|
|
begin
|
|
R.AH := $3C; { create file function }
|
|
R.CX := $00; { file attribute (normal) }
|
|
R.DS := seg(F.Path);
|
|
R.DX := ofs(F.Path);
|
|
Msdos(R); { create DOS file }
|
|
if odd(R.FLAGS) then
|
|
ioresultDOS := R.AX
|
|
else
|
|
begin
|
|
ioresultDOS := 0;
|
|
F.Handle := R.AX { file handle }
|
|
end
|
|
end;
|
|
|
|
|
|
procedure CloseDOS (var F : DOSFle);
|
|
begin
|
|
R.AH := $3E; { close file handle function }
|
|
R.BX := F.Handle; { file handle }
|
|
Msdos(R); { close DOS file }
|
|
if odd(R.FLAGS) then
|
|
ioresultDOS := R.AX
|
|
else
|
|
ioresultDOS := 0
|
|
end;
|
|
|
|
|
|
procedure EraseDOS (var F : DOSFle);
|
|
begin
|
|
R.AH := $41; { delete file function }
|
|
R.DS := seg(F.Path);
|
|
R.DX := ofs(F.Path);
|
|
Msdos(R); { delete DOS file }
|
|
if odd(R.FLAGS) then
|
|
ioresultDOS := R.AX
|
|
else
|
|
ioresultDOS := 0
|
|
end;
|
|
|
|
|
|
procedure RenameDOS (var F : DOSFle; Name : String127);
|
|
var
|
|
X : DOSFle;
|
|
begin
|
|
move(Name[1], X.Path, length(Name));
|
|
X.Path[length(Name)] := 0;
|
|
R.AH := $56; { rename file function }
|
|
R.DS := seg(F.Path);
|
|
R.DX := ofs(F.Path);
|
|
R.ES := seg(X.Path);
|
|
R.DI := ofs(X.Path);
|
|
Msdos(R); { rename DOS file }
|
|
if odd(R.FLAGS) then
|
|
ioresultDOS := R.AX
|
|
else
|
|
ioresultDOS := 0
|
|
end;
|
|
|
|
|
|
procedure BlockWriteDOS (var F : DOSFle; var Source; RecCnt : integer);
|
|
begin
|
|
R.AH := $40; { write to file or device function }
|
|
R.BX := F.Handle; { file handle }
|
|
R.CX := 128 * RecCnt;
|
|
R.DS := seg(Source);
|
|
R.DX := ofs(Source);
|
|
Msdos(R); { open DOS file }
|
|
if odd(R.FLAGS) then
|
|
ioresultDOS := $FF
|
|
else
|
|
ioresultDOS := 0
|
|
end;
|
|
|
|
|
|
procedure SetupFCB;
|
|
var
|
|
PosGet, PosPut : integer;
|
|
begin
|
|
PosGet := 1;
|
|
PosPut := 1;
|
|
fillchar(FCB, sizeof(FCB), 0);
|
|
fillchar(FCB[1], 11, ' ');
|
|
FCB[0] := CPMdrv;
|
|
repeat
|
|
while (PosGet <= length(DirMsk)) and
|
|
(DirMsk[PosGet] <> '.') and (PosPut < 12) do
|
|
begin
|
|
if DirMsk[PosGet] = '*' then
|
|
repeat
|
|
FCB[PosPut] := ord('?');
|
|
PosPut := PosPut + 1
|
|
until PosPut in [9, 12]
|
|
else
|
|
begin
|
|
FCB[PosPut] := ord(upcase(DirMsk[PosGet]));
|
|
PosPut := PosPut + 1
|
|
end;
|
|
PosGet := PosGet + 1
|
|
end;
|
|
if DirMsk[PosGet] = '.' then
|
|
begin
|
|
PosGet := PosGet + 1;
|
|
PosPut := 9
|
|
end
|
|
until (PosGet > length(DirMsk)) or (PosPut = 12)
|
|
end;
|
|
|
|
|
|
procedure LoadDirectoryBuffer (var DirTot : integer);
|
|
var
|
|
DirPos, x, i : integer;
|
|
SchDir : byte;
|
|
FleNme : String12;
|
|
begin
|
|
bdos(26, addr(DMA));
|
|
i := DirTot;
|
|
SchDir := 17; { search for first function }
|
|
while i <> 0 do { move to correct directory position }
|
|
begin
|
|
bdos(SchDir, addr(FCB)); { search directory }
|
|
i := i - 1;
|
|
SchDir := 18
|
|
end;
|
|
DirPos := 0;
|
|
repeat
|
|
x := bdos(SchDir, addr(FCB));
|
|
if x <> $FF then
|
|
begin
|
|
FleNme := '';
|
|
for i := 1 to 11 do
|
|
begin
|
|
if DMA[x, i] <> ' ' then
|
|
FleNme := FleNme + DMA[x, i];
|
|
if i = 8 then
|
|
FleNme := FleNme + '.'
|
|
end;
|
|
DirBuf[DirPos] := FleNme;
|
|
DirPos := DirPos + 1;
|
|
DirTot := DirTot + 1
|
|
end;
|
|
SchDir := 18 { search for next function }
|
|
until (x = $FF) or (DirPos > ENDDIR)
|
|
end;
|
|
|
|
|
|
function FileFound (FstDir : boolean; var FleNme : String12) : boolean;
|
|
const
|
|
DirTot : integer = 0;
|
|
DirNmb : integer = 0;
|
|
GetPos : integer = 0;
|
|
begin
|
|
if FstDir then
|
|
begin
|
|
DirNmb := 0;
|
|
DirTot := 0;
|
|
SetupFCB;
|
|
end;
|
|
if DirNmb = DirTot then
|
|
begin
|
|
LoadDirectoryBuffer(DirTot);
|
|
GetPos := 0
|
|
end;
|
|
FileFound := DirNmb < DirTot;
|
|
if DirNmb < DirTot then
|
|
begin
|
|
FleNme := DirBuf[GetPos];
|
|
GetPos := GetPos + 1;
|
|
DirNmb := DirNmb + 1
|
|
end;
|
|
if DirTot = 0 then
|
|
writeln('No files found to match: ', CPMPth, DirMsk)
|
|
end;
|
|
|
|
|
|
procedure OpenFiles (FleNme : String12);
|
|
var
|
|
TmpStr : String127;
|
|
UsrRes : string[1];
|
|
Result : integer;
|
|
begin
|
|
if not Quiet then
|
|
writeln('Copying: ', FleNme);
|
|
{$I-}
|
|
assign(F, CPMPth + FleNme);
|
|
reset(F);
|
|
Error := ioresult;
|
|
{$I+}
|
|
if Error = 0 then
|
|
begin
|
|
OvrWrt := true;
|
|
if ChkWrt then
|
|
begin
|
|
AssignDOS(D, DOSPth + FleNme);
|
|
ResetDOS(D); { does file exist ? }
|
|
if ioresultDOS = 0 then
|
|
begin
|
|
CloseDOS(D);
|
|
Result := ioresultDOS;
|
|
write('Overwrite ', DOSPth, FleNme, ' ? (y/n): ');
|
|
readln(UsrRes);
|
|
OvrWrt := (UsrRes = 'y') or (UsrRes = 'Y')
|
|
end
|
|
end;
|
|
if OvrWrt then
|
|
begin
|
|
AssignDOS(D, DOSPth + TMPFLE);
|
|
RewriteDOS(D); { open temporary DOS file for writing }
|
|
Error := ioresultDOS;
|
|
if Error <> 0 then
|
|
writeln('Error can not create DOS file')
|
|
end
|
|
end
|
|
else
|
|
writeln('Error opening CP/M file for reading')
|
|
end;
|
|
|
|
|
|
procedure CloseFiles (FleNme : String12);
|
|
var
|
|
Result : integer;
|
|
begin
|
|
{$I-}
|
|
close(F); { close CP/M file }
|
|
Error := ioresult;
|
|
{$I+}
|
|
if Error <> 0 then
|
|
writeln('Error closing CP/M source file');
|
|
if OvrWrt and (Error = 0) then
|
|
begin
|
|
CloseDOS(D); { close temporary DOS file }
|
|
Error := ioresultDOS;
|
|
if Error = 0 then
|
|
begin
|
|
AssignDOS(D, DOSPth + FleNme);
|
|
EraseDOS(D);
|
|
Result := ioresultDOS;
|
|
AssignDOS(D, DOSPth + TMPFLE);
|
|
RenameDOS(D, DOSPth + FleNme);
|
|
Error := ioresultDOS;
|
|
if Error <> 0 then
|
|
writeln('Error renaming temporary DOS file')
|
|
end
|
|
else
|
|
writeln('Error closing temporary DOS file')
|
|
end
|
|
end;
|
|
|
|
|
|
procedure CopyFile (FleNme : String12);
|
|
var
|
|
BufPos : integer;
|
|
begin
|
|
repeat
|
|
BufPos := 0;
|
|
{$I-}
|
|
while (not eof(F)) and (BufPos < ENDBUF) and (Error = 0) do
|
|
begin
|
|
blockread(F, Buffer[BufPos], 1); { read data from CP/M file }
|
|
Error := ioresult;
|
|
BufPos := BufPos + 128
|
|
end;
|
|
{$I+}
|
|
if Error = 0 then
|
|
begin
|
|
BlockwriteDOS(D, Buffer, BufPos div 128); { write to DOS file }
|
|
Error := ioresultDOS;
|
|
if Error <> 0 then
|
|
writeln('Error DOS disk full')
|
|
end
|
|
else
|
|
writeln('Error reading CP/M file')
|
|
until eof(F) or (Error <> 0)
|
|
end;
|
|
|
|
|
|
procedure TransferFiles;
|
|
var
|
|
FstDir, Found : boolean;
|
|
FleNme : String12;
|
|
begin
|
|
if pos(':', DirMsk) = 2 then
|
|
begin
|
|
CPMPth := DirMsk;
|
|
CPMPth[0] := #2;
|
|
CPMdrv := (ord(DirMsk[1]) - ord('A')) + 1;
|
|
delete(DirMsk, 1, 2)
|
|
end
|
|
else
|
|
begin
|
|
CPMPth := '';
|
|
CPMdrv := 0 { default CP/M drive }
|
|
end;
|
|
if not (DOSPth[length(DOSPth)] in [':', '\']) then
|
|
DOSPth := DOSPth + '\';
|
|
FstDir := true;
|
|
while FileFound(FstDir, FleNme) and (Error = 0) do
|
|
begin
|
|
FstDir := false;
|
|
OpenFiles(FleNme);
|
|
if OvrWrt and (Error = 0) then
|
|
CopyFile(FleNme);
|
|
if Error = 0 then
|
|
CloseFiles(FleNme)
|
|
end
|
|
end;
|
|
|
|
|
|
function ParmCount : integer;
|
|
var
|
|
i, PrmCnt, PrmLen : integer;
|
|
begin
|
|
i := 1;
|
|
PrmCnt := 0;
|
|
PrmLen := length(ComLne);
|
|
while i <= PrmLen do
|
|
begin
|
|
while (i <= PrmLen) and (ComLne[i] = ' ') do
|
|
i := i + 1;
|
|
if i <= PrmLen then
|
|
PrmCnt := PrmCnt + 1;
|
|
if ComLne[i] = '/' then
|
|
i := i + 1;
|
|
while (i <= PrmLen) and (not(ComLne[i] in [' ', '/'])) do
|
|
i := i + 1
|
|
end;
|
|
ParmCount := PrmCnt
|
|
end;
|
|
|
|
|
|
function ParamStr (PrmNmb : integer) : String127;
|
|
var
|
|
i, PrmCnt, PrmLen : integer;
|
|
PrmStr : string[127];
|
|
begin
|
|
i := 1;
|
|
PrmCnt := 0;
|
|
PrmStr := '';
|
|
PrmLen := length(ComLne);
|
|
while (i <= PrmLen) and (PrmCnt < PrmNmb) do
|
|
begin
|
|
while (i <= PrmLen) AND (ComLne[i] = ' ') do
|
|
i := i + 1;
|
|
if i <= PrmLen then
|
|
PrmCnt := PrmCnt + 1;
|
|
if ComLne[i] = '/' then
|
|
begin
|
|
PrmStr := '/';
|
|
i := i + 1
|
|
end
|
|
else
|
|
PrmStr := '';
|
|
while (i <= PrmLen) and (not (ComLne[i] in [' ', '/'])) do
|
|
begin
|
|
PrmStr := PrmStr + ComLne[i];
|
|
i := i + 1
|
|
end
|
|
end;
|
|
ParamStr := PrmStr
|
|
end;
|
|
|
|
|
|
function ScanForSwitches (PrmNmb : integer) : integer;
|
|
var
|
|
SwtStr : String127;
|
|
SwtPos, i : integer;
|
|
begin
|
|
repeat
|
|
SwtStr := ParamStr(PrmNmb);
|
|
SwtPos := pos('/', SwtStr);
|
|
if Swtpos <> 0 then
|
|
begin
|
|
PrmNmb := PrmNmb - 1;
|
|
delete(SwtStr, 1, 1);
|
|
for i := 1 to length(SwtStr) do
|
|
SwtStr[i] := upcase(SwtStr[i]);
|
|
if SwtStr = 'Q' then
|
|
Quiet := true;
|
|
if SwtStr = 'F' then
|
|
ChkWrt := false
|
|
end
|
|
until SwtPos = 0;
|
|
ScanForSwitches := PrmNmb
|
|
end;
|
|
|
|
|
|
procedure ShowUsage;
|
|
begin
|
|
writeln;
|
|
writeln('CPM-TO-DOS v1.00 (c) Copyright S.J.Kay 18th April 1995');
|
|
writeln;
|
|
writeln('Use:- cpmtodos (c:files) (c:files)... d:\path [/f/q]');
|
|
writeln;
|
|
writeln('c:files = CP/M drive and files');
|
|
writeln('d:\path = DOS destination drive and path');
|
|
writeln(' /f = force overwriting of existing file(s)');
|
|
writeln(' /q = quiet, no display of file names')
|
|
end;
|
|
|
|
|
|
var
|
|
PrmTot, PrmNmb : integer;
|
|
SwtStr : String127;
|
|
begin
|
|
Quiet := false;
|
|
ChkWrt := true;
|
|
Error := 0;
|
|
PrmNmb := 1;
|
|
PrmTot := ScanForSwitches(ParmCount);
|
|
DOSPth := ParamStr(PrmTot);
|
|
if PrmTot > 1 then
|
|
begin
|
|
repeat
|
|
DirMsk := ParamStr(PrmNmb);
|
|
PrmNmb := PrmNmb + 1;
|
|
TransferFiles
|
|
until (PrmNmb >= PrmTot) or (Error <> 0)
|
|
end
|
|
else
|
|
ShowUsage
|
|
end.
|