SWAGOLX.EXE (c) 1993 GDSOFT ALL RIGHTS RESERVED 00011 HARDWARE DETECTION 1 05-28-9313:48ALL SWAG SUPPORT TEAM Write to TWO Monitors IMPORT 9 └╫å# {π> Hi I am looking For some help on use 2 monitors at the same time... 1π> is mono and the other is vga. I would like to just post a certainπ> screen on the mono and leave the vga like normal..ππVGA Text mode memory begins at $b800, VGA Graphics memory at $A000, andπMDA/Herc memory begins at $b000. If you plan on running Text and Text,πtry something like this:π}πTypeπ WhichMonitor = (MDA, VGA);ππProcedure ChangeCel (Row, Column, Foreground, Background, Character : Byte;π Which : WhichMonitor);πVarπ Point : Word;πbeginπ If Which = MDA thenπ Point := $b000π elseπ Point := $b800;π MemW[Point : (Row - 1) * 160 + Col * 2] :=π (Foreground + Background * 16) * 256 + Character;π end;π{πOf course, there are more optimized ways to do this, but this shouldπportray the basic concept. Herc Graphics and VGA Graphics would beπdone in much the same manner, but I don't have an Herc With my VGA toπcheck it.π} 2 05-28-9313:48ALL SWAG SUPPORT TEAM ALOCSIZE.PAS IMPORT 21 └╫┬y *--* 03-31-93 - 21:47:03 *--*π/. Date: 03-30-93 (23:45) Number: 24023 of 24035π To: PEDRO PACHECO Refer#: 23957πFrom: ERIC LU Read: NOπSubj: allocation Units Status: PUBLIC MESSAGEπConf: R-TP (552) Read Type: GENERAL (A) (+)ππPP>> Is there any way to find (in Pascal) what's de size of each allocation uniπPP>> in a Hard drive?ππPedro,π See if the following is what you wanted...ππ-------------------------------- Cut ----------------------------------ππProgram Int21_36;πUses Crt,Dos;πProcedure DiskfreeSpace( DriveCode: Byte);πVarπ Regs: Registers;π SectorsPerCluster,π AvailableClusters,π BytesPerSector,π ClustersPerDrive,π(63 min left), (H)elp, More? AllocationSize,π Capacity,π Free: LongInt;πbeginπ Regs.AH := $36;π Regs.DL := DriveCode;π MSDos(Regs);ππ {************* Obtaining Infos ******************}π SectorsPerCLuster:= Regs.AX;π AvailableClusters:= Regs.BX;π BytesPerSEctor := Regs.CX;π ClustersPerDrive := Regs.DX;ππ {************* Calculations ********************)π AllocationSize := BytesPerSector * SectorsPerCluster;π Capacity := SectorsPerCluster * BytesPerSector * ClustersPerDrive;π Free := SectorsPerCLuster * AvailableClusters * BytesPerSector;ππ {************* Display *************************}π Writeln(' Sectors Per Cluster = ',SectorsPerCluster:15,'');π Writeln(' Available Clusters = ',AvailableClusters:15,'');π Writeln(' Bytes Per Sector = ',BytesPerSector:15,'');π(63 min left), (H)elp, More? Writeln(' Clusters Per Drive = ',ClustersPerDrive:15,'');π Writeln(' Allocation Size = ',AllocationSize:15,' Bytes');π Writeln(' Drive Capacity = ',Capacity:15,' Bytes');π Writeln(' Free Space = ',Free:15,' Bytes');πend;ππbeginπ ClrScr;π DiskFreeSpace(0); {Get Current Drive Info}π readln;πend.πππ----------------------------- Cut ----------------------------------ππ The above should be ready to run as I have tested on my computer..π It's got more infos.. I was learning it as I was typing it in so Iπ made it more than what you need.π hope this is what you wanted to know...ππ Ericππ---π(63 min left), (H)elp, More? ■ OLX 2.1 TD ■ It's only a hobby ... only a hobby ... only aπ * Casino Bulletin Board * Hammonton/Atlantic City NJ U.S.A. 1-609-561-3377π * PostLink(tm) v1.05 CASINO (#18) : RelayNet(tm)ππ(63 min left), (H)elp, end of Message Command? 3 05-28-9313:48ALL SWAG SUPPORT TEAM Determine Cluster Size IMPORT 5 └╫8∩ {π> Is there any way to find the size of each allocation Unit in a Hard drive?π}ππUses Dos;ππFunction clustsize (drive : Byte) : Word;πVarπ regs : Registers;πbeginπ regs.cx := 0; {set For error-checking just to be sure}π regs.ax := $3600; {get free space}π regs.dx := drive; {0=current, 1=a:, 2=b:, etc.}π msDos (regs);π clustsize := regs.ax * regs.cx; {cluster size!}πend;ππbeginπ Writeln(ClustSize(0));πend. 4 05-28-9313:48ALL SWAG SUPPORT TEAM CPU-ID.PAS IMPORT 12 └╫m╔ {π> How do i get info about witch CPU it is in the current computer??π}ππ{$F+}ππConstπ CPU_Type : Array[1..4] of String[5] = ('8086', '80286', '80386', '80486');π Cpu8086 = 1;π Cpu80286 = 2;π Cpu80386 = 3;π Cpu80486 = 4;πVarπ Result : Byte;πππFunction GetCPU_Type: Byte; Assembler;ππAsmπ MOV DX,Cpu8086π PUSH SPπ POP AXπ CMP SP,AXπ JNE @OUTπ MOV DX, Cpu80286π PUSHFπ POP AXπ or AX,4000hπ PUSH AXπ POPFπ PUSHFπ POP AXπ TEST AX,4000hπ JE @OUTπ MOV DX, Cpu80386π {"DB 66h" indicates '386 extended instruction}π DB 66h; MOV BX, SP {MOV EBX, ESP}π DB 66h, 83h, 0E4h, 0FCh {AND ESP, FFFC}π DB 66h; PUSHF {PUSHFD}π DB 66h; POP AX {POP EAX}π DB 66h; MOV CX, AX {MOV ECX, EAX}π DB 66h, 35h, 00hπ DB 00h, 04h, 00 {XOR EAX, 00040000}π DB 66h; PUSH AX {PUSH EAX}π DB 66h; POPF {POPFD}π DB 66h; PUSHF {PUSHFD}π DB 66h; POP AX {POP EAX}π DB 66h, 25h, 00hπ DB 00h, 04h, 00h {AND EAX, 00040000}π DB 66h, 81h, 0E1h, 00hπ DB 00h, 04h, 00h {AND ECX, 00040000}π DB 66h; CMP AX, CX {CMP EAX, ECX}π JE @Not486π MOV DX, Cpu80486π@Not486:π DB 66h; PUSH CX {PUSH EXC}π DB 66h; POPF {POPFD}π DB 66h; MOV SP, BX {MOV ESP, EBX}π@Out:π MOV AX, DXπend;ππbeginπ Result := GetCPU_Type;π Writeln(Result);πend.π 5 05-28-9313:48ALL SWAG SUPPORT TEAM Determine CPU Speed IMPORT 13 └╫Z {π· Subject: How to determine mhz using TP6.0...ππIt seems to work pretty well, but on a 486/33DX it gave inacurate results...π}ππProgram CpuSpeed;πUsesπ Crt;πVarπ Speed, DelayCalibrate : Word;πConstπ Offset = 9; { For TP 4.0, it should be 16 }πππProcedure WaitForFloppy;πVarπ tickTil : LongInt;π TimerTicks : LongInt Absolute $40 : $6C;π motorStatus : Byte Absolute $40 : $3F;πbeginπ if MotorStatus and $F > 0 thenπ beginπ WriteLn('Loading...');π TickTil := TimerTicks + 91;π {There are $17FE80 ticks in a day}π if TickTil > $17FE80 thenπ Dec(TickTil, $17FE80);π Repeat Until (MotorStatus and $F = 0) or (TimerTicks >= TickTil);π end;πend;ππbeginπ WaitForFloppy;π DelayCalibrate := MemW[Seg(CheckSnow): Ofs(CheckSnow)+Offset];π WriteLn('Delay calibration value is ', DelayCalibrate);π Speed := ((LongInt(1000) * DelayCalibrate) + 110970) div 438;π Write('Calculated speed: ', Speed div 100,'.');π WriteLn((speed div 10) MOD 10, speed MOD 10);π Write('CPU speed is probably ');π Case Speed OFπ 0..499 : WriteLn('4.77MHz or below');π 500..699 : WriteLn('6MHz');π 700..899 : WriteLn('8MHz');π 900..1099 : WriteLn('10MHz');π 1100..1399 : WriteLn('12MHz');π 1400..1799 : WriteLn('16MHz');π 1800..2199 : WriteLn('20MHz');π 2200..2699 : WriteLn('25MHz');π 2700..3599 : WriteLn('30MHz');π ELSEπ WriteLn('30MHz or MORE!');π end;πend.π 6 05-28-9313:48ALL SWAG SUPPORT TEAM FLOPSIZE.PAS IMPORT 10 └╫1 {π>Does anybody know how to determine the size of a disk drive. I meanπ>whether it is a 360 K drive or 720 K, 1.4 M or 1.2 M drive. I'mπ>working on a Program which has the ability to Format diskettes andπ>I want it to be able to come up With the size of a disk drive as aπ>default. I have looked at the equipment flag in the BIOS and theπ>only thing I can get out of that is the Type of a disk drive not theπ>size.π}πFunction VarCMOS(i : Byte) : Byte ;πbeginπ port[$70]:=i;π VarCMOS:=port[$71]πend;ππVar b : Byte ;ππbeginπ b:=VarCMOS($10);π if b and $f0<>0 thenπ beginπ Write('Drive A: = ');π Case (b and $f0) shr 4 ofπ 1 : Write('5" 360 Ko');π 2 : Write('5" 1,2 Mo');π 3 : Write('3" 720 Ko');π 4 : Write('3" 1,44 Mo')π end;π end;π if b and $f<>0 thenπ beginπ Write(', B: = ');π Case b and $f ofπ 1 : Writeln('5" 360 Ko');π 2 : Writeln('5" 1,2 Mo');π 3 : Writeln('3" 720 Ko');π 4 : Writeln('3" 1,44 Mo')π end;π end else WriteLn ;πend.π 7 05-28-9313:48ALL SWAG SUPPORT TEAM LPT-ADDR.PAS IMPORT 5 └╫└' {πOr better yet, the BIOS stores the addresses of the parallel Interfacesπon the system at memory location $0040:$0008. There are four Wordsπhere, allowing up to 4 parallel devices.π-Brian Papeπ}πVarπ i : Byte;π par : Array[1..4] of Word;πbeginπ For i := 1 to 4 doπ beginπ par[i] := Word(ptr($0040, $0008 + (i - 1) * 2)^);π If Par[i] = 0 thenπ Writeln('Not Found')π elseπ Writeln(Par[i]);π end;πend.πππ 8 05-28-9313:48ALL SWAG SUPPORT TEAM SCSICODE.PAS IMPORT 30 └╫Hv {π > I am trying to issue an SCSI START/StoP Unit via Adaptec's ASPI SCSIπ > manager and an 1542B host adaptor. This is For an application I amπ > writing in BP. Adaptec is of no help. if anyone here has anyπ > commentsπ > or suggestions please respond in this Forum.π}ππUnit Aspi;ππ{ I/O Error reporting:ππ AspiSenseKey is the primary source of error inFormation.ππ 0: I/O Complete.π Warnings (Filemark, Short block, etc) may be posted in Sense.ππ 1-E: Error occured.π Examine SRBStat, HostStat, TargStat, Sense For details.ππ F: Severe error detected, no SCSI info available.ππ -------------------------------------------------------------------- }ππInterfaceππConstπ SrbIn = $08;π SRBOut = $10;π SRBNone = $18;π AspiPtr: Pointer = Nil;πππTypeπ AspiSrb = Recordπ SrbCmd: Byte;π SrbStat: Byte;π SrbHost: Byte;π SrbReqFlags: Byte;π SrbHdrFill: LongInt;π Case Integer ofπ 2: (Srb2TargetID: Byte;π Srb2LUN: Byte;π Srb2DataLen: LongInt;π Srb2SenseLen: Byte;π Srb2DataPtr: Pointer;π Srb2LinkPtr: Pointer;π Srb2CDBLen: Byte;π Srb2HAStat: Byte;π Srb2TargStat: Byte;π Srb2PostAddr: Pointer;π Srb2Filler: Array [1..34] of Byte;π { Sense data follows CDB }π Srb2CDB: Array [0..50] of Byte);π 1: (Srb1TargetID: Byte;π Srb1LUN: Byte;π Srb1DevType: Byte);π 0: (Srb0Cnt: Byte;π Srb0TargetID: Byte;π Srb0MgrID: Array [1..16] of Char;π Srb0HostID: Array [1..16] of Char;π Srb0HostParm: Array [1..16] of Char);π end;ππVarπ AspiSRBStat: Byte;π AspiHostStat: Byte;π AspiTargStat: Byte;π AspiSenseKey: Byte;π AspiSense: Array [0..17] of Byte;π AspiSenseCode: Word;ππFunction AspiOpen: Integer;ππProcedure AspiCall (Var SRB: AspiSrb);π{ Call ASPI Handler With SRB }πInline ($FF/$1E/>AspiPtr/π $58/$58);ππProcedure AspiWait (Var SRB: AspiSrb);ππFunction AspiClose: Integer;ππImplementationππUses Dos;ππProcedure AspiWait (Var SRB: AspiSRB);π{ Call ASPI Handler With SRB and wait For Completion }πbeginπ if AspiPtr = Nilπ then beginπ AspiSenseKey := $0F;π Exit;π end;π With Srb do beginπ SrbStat := 0;π AspiCall (Srb);π While SrbStat = 0 do ;π AspiSrbStat := SrbStat;π AspiHostStat := Srb2HAStat;π AspiTargStat := Srb2TargStat;π AspiSenseKey := 0;π FillChar (AspiSense, Sizeof (AspiSense), #0);π Move (Srb2CDB [Srb2CDBLen], AspiSense, Sizeof (AspiSense));π AspiSenseKey := AspiSense[2] and $0F;π AspiSenseCode := (AspiSense [12] SHL 8) or AspiSense [13];π end;π end;ππFunction AspiOpen: Integer;πConstπ AspiName: Array [1..9] of Char = 'SCSIMGR$'#0;πVarπ R: Registers;π AspiHan: Word;πbeginπ With R do beginπ { Assume failure }π AspiOpen := -1;π AspiPtr := Nil;ππ { Open ASPI device driver }π AX := $3D00;π DS := Seg (AspiName[1]);π DX := ofs (AspiName[1]);π MSDos (R);π if odd (Flags)π then Exit;π AspiHan := AX;ππ { Do IOCtl Read to get Pointer to ASPI handler }π AX := $4402;π BX := AspiHan;π CX := 4;π DS := Seg (AspiPtr);π DX := ofs (AspiPtr);π MSDos (R);π if Odd (flags)π then Exit;ππ { Close device driver }π AX := $3E00;π BX := AspiHan;π MsDos (R);π if Odd (Flags)π then Exit;π end;ππ { Indicate success and Exit }π AspiOpen := 0;π end { AspiOpen };ππFunction AspiClose: Integer;πbeginπ AspiClose := 0;πend { AspiClose };ππend.π 9 05-28-9313:48ALL SWAG SUPPORT TEAM SECTORIO.PAS IMPORT 65 └╫ x {... so there I was, sitting in a bar when a known C Programmer }π{comes up to me and sniggers "still doing it in Pascal eh?" }π{"Yup" I replied, and tossed the bartender another hundred. }π{"Yeah well, when you're ready For a Real language, only C has }π{all the aces." }π{I'm a Pascal Programmer. I don't have to take that. "Such as?"}π{I hoped he'd bite and he did. }π{"Such as disk sector reading and writing For starters." }π{"Well I hope you're not bluffin', 'cause here's a trick that }π{I'll bet you ain't covered." }π{I pulled it out With a swish and laid it on the table. "Even }π{provides support For >32M volumes, which the C run-time library }π{manual Forgets to tell you it won't do." }π{"Huh? Where?" }π{"Right here" I said. "Just where it says... }ππProgram AbsReadTest;ππ{This Program demonstrates a C-style absread and absWrite For TP.}π{As is, it reads the boot sector off drive A:, and optionally }π{Writes it out to the very last sector on drive A: (assumes 1.2Meg}π{This Program IS dangerous, and is released to the public domain.}π{I take no responsibility For use or misuse, deliberate or }π{accidental, of this Program or any Program which Uses the }π{techniques described herein. }ππ{Author: Mitch Davis 3:634/384.6 +61-3-890-2062 v1.0 28-Jun-92. }ππVar bp:Pointer; {Will point to the buffer For the sector data}ππFunction absread (drive:Char; nsects:Word; lsect:Word; buffer:Pointer):Boolean;ππ{Works just like the C runtime one- including being restricted to 32M volumes!}ππ{drive is a Character, nsects is the number of sectors, and lsect is the first}π{sector. buffer points to the buffer you'd like filled from disk. Function }π{returns True if there was an error, or False if all went well. }ππVar kludgebuff:Array [0..$1f] of Byte; {Read Ralf Brown's interrupt listing}π kludgePtr:Pointer; {Int 25h - ES:[BP+1E] may change }ππbeginπ kludgePtr := @kludgebuff;π absread := True;π if drive < 'A' then Exit;π if drive > 'Z' then Exit;π Asmπ push esπ push bpπ push diπ les di, kludgePtrπ mov al, drive { Gets the passed parameter. }π and al, 1fh { Cvt from ASCII to drive num }π dec al { Adjust because A: is drive 0 }π mov cx, nsects { number of sectors to read }π mov dx, lsect { starting at sector.. }π push dsπ lds bx, buffer { Get the address of the buffer }π mov bp, diπ push siπ int 25h { Do the drive read. }π pop si { Remove the flags int 25h leaves on stack}π pop siπ pop dsπ pop diπ pop bpπ pop esπ jc @1π mov ah, 0 { No errors, so set Function to False }π @1:π mov @result, ahπ end;πend;ππFunction absWriteπ (drive:Char; nsects:Word; lsect:Word; buffer:Pointer):Boolean;ππ{Works just like the C one - including being restricted to 32M volumes!}ππ{drive is a Character, nsects is the number of sectors, and lsect is the first}π{sector. buffer points to the buffer you'd like filled from disk. Function }π{returns True if there was an error, or False if all went well. }ππVar kludgebuff:Array [0..$1f] of Byte;π kludgePtr:Pointer;ππbeginπ kludgePtr := @kludgebuff;π absWrite := True;π if drive < 'A' then Exit;π if drive > 'Z' then Exit;π Asmπ push esπ push bpπ push diπ les di, kludgePtrπ mov al, drive { Gets the passed parameter. }π and al, 1fh { Cvt from ASCII to drive num }π dec al { Adjust because A: is drive 0 }π mov cx, nsects { number of sectors to Write }π mov dx, lsect { starting at sector.. }π push dsπ lds bx, buffer { Get the address of the buffer }π mov bp, diπ push siπ int 26h { Do the drive Write. }π pop si { Remove the flags int 26h leaves on stack}π pop siπ pop dsπ pop diπ pop bpπ pop esπ jc @1π mov ah, 0π @1:π mov @result, ahπ end;πend;ππFunction absLread (drive:Char; nsects:Word; lsect:LongInt;πbuffer:Pointer):Boolean;ππ{This Function reads sectors on disks which have the >32M style made popular}π{by Compaq Dos 3.31, MS-Dos 4+ and DR-Dos 5+. }ππVar packet:Array [0..9] of Byte; {disk request packet - see Ralf Brown's ints}ππbeginπ absLread := True;π if drive < 'A' then Exit;π if drive > 'Z' then Exit;π Asmπ mov ax, Word ptr lsect {Get the LSB of the start sector}π mov Word ptr packet[0], ax {Store it in the packet }π mov ax, Word ptr lsect + 2 {Get the MSB of the start sector}π mov Word ptr packet[2], ax {Store this one too. }π mov ax, nsects {How many sectors to read }π mov Word ptr packet[4], axπ {Insert the Pointer to the data buffer into the packet}π push bp ; push dsπ lds dx, buffer { Get the address of the buffer }π mov Word ptr packet[6], dxπ mov dx, dsπ mov Word ptr packet[8], dxπ mov al, drive { Gets the passed parameter. }π and al, 1fh { Cvt from ASCII to drive num }π dec al { Adjust because A: is drive 0 }π int 25h { Do the drive read. }π pop si { Remove the flags int 25h leaves on stack}π pop dsπ pop bpπ jc @1π mov ah, 0π @1:π mov @result, ahπ end;πend;ππFunction absLWrite (drive:Char; nsects:Word; lsect:LongInt;πbuffer:Pointer):Boolean;ππ{This Function Writes sectors on disks which have the >32M style made popular}π{by Compaq Dos 3.31, MS-Dos 4+ and DR-Dos 5+. }ππVar packet:Array [0..9] of Byte;ππbeginπ absLWrite := True;π if drive < 'A' then Exit;π if drive > 'Z' then Exit;π Asmπ mov ax, Word ptr lsectπ mov Word ptr packet[0], axπ mov ax, Word ptr lsect + 2π mov Word ptr packet[2], axπ mov ax, nsectsπ mov Word ptr packet[4], axπ push bp ; push dsπ lds dx, bufferπ mov Word ptr packet[6], dxπ mov dx, dsπ mov Word ptr packet[8], dxπ mov al, drive { Gets the passed parameter. }π and al, 1fh { Cvt from ASCII to drive num }π dec al { Adjust because A: is drive 0 }π int 26h { Do the drive Write. }π pop si { Remove the flags int 26h leaves on stack}π pop dsπ pop bpπ jc @1π mov ah, 0π @1:π mov @result, ahπ end;πend;ππFunction LongNeeded (drive:Char):Boolean;ππ{This Function returns True or False depending on whether the long versions}π{of absread/absWrite needed to be invoked; that is, it's a drive Formatted }π{in the Dos 4+ >32M style. }π{I strongly suggest you see Ralf Brown's interrupt listing For int21h subfs}π{440d and 53 - they'll tell you all you know to understand the guts of this}π{Function. }ππLabel Escape;ππVar drivestats:Array [0..31] of Byte;ππbeginπ LongNeeded := False;π if drive < 'A' then Exit;π if drive > 'Z' then Exit;π Asmπ push dsπ mov dx, ssπ mov ds, dxπ lea dx, drivestatsπ mov bl, drive { Gets the passed parameter. }π and bl, 1fh { Cvt from ASCII to drive num }π mov ax, 440Dhπ mov cx, 0860hπ int 21hπ jc Escapeπ mov ax, Word ptr drivestats[0Fh]π or ax, axπ jnz Escapeπ mov @Result, 1π Escape:π pop dsπ end;πend;ππbeginπ getmem (bp,2048);π Writeln (LongNeeded ('A'));π Writeln (LongNeeded ('C'));π Writeln (absread ('A',1,0,bp));π(* Writeln (absWrite ('A',1,2399,bp)); *) {remove the comments at your own}π {risk!!!}π freemem (bp,2048);πend.ππ{So I bought him a drink. The poor guy looked like he needed one....}π 10 05-28-9313:48ALL SWAG SUPPORT TEAM Activate TURBO Speed IMPORT 9 └╫}v { Does anyone out there know how to set the Software Turbo Speed on Motherπ boards without hitting the Turbo Switch or the <Ctrl> <Alt> <-> key toπ slow the system and or Speed it up again? Thanks...π}ππProgram speed;πUses Dos,Crt;ππProcedure do_speed(mode : String);πVarπ reg : Registers;π oldmem : Byte;ππbeginπ oldmem := mem[$40:$17];π if UpCase(mode[1]) = 'N' thenπ beginπ reg.al := 74;π Writeln('Speed set to NorMAL MODE');π end elseπ beginπ reg.al := 78;π Writeln('Speed set to TURBO MODE');π end;π mem[$40:$17] := 140;π reg.ah := $4F;π intr($15,reg);π mem[$40:$17] := oldmem;πend;ππbeginπ if paramcount < 1 thenπ beginπ Writeln(' Speed.exe (c) by Werner Schlagnitweit 2:310/3.0');π Writeln(' This Program should work on all machines which ');π Writeln(' use the CTRL-ALT-+ key to toggle the speed ');π Writeln;π Writeln(' Usage : Speed N For normal NON TURBO mode');π Writeln(' Speed T For normal TURBO mode ');π halt;π end else do_speed(paramstr(1));πend.π 11 08-27-9322:08ALL SWAG SUPPORT TEAM Set the TURBO speed IMPORT 6 └╫ {π Does anyone out there know how to set the Software Turbo Speed on Motherπ boards without hitting the Turbo Switch or the <Ctrl> <Alt> <-> key toπ slow the system and or Speed it up again? Thanks...π}ππUsesπ Dos;ππProcedure SetSpeed(Turbo : Boolean);πVarπ Regs : Registers;π OldMem : Byte;ππbeginπ {OldMem := Mem[$40 : $17];}π If Turbo thenπ Regs.AL := 78π elseπ Regs.AL := 74;ππ {Mem[$40 : $17] := 140;}π Regs.AH := $4F;π Intr($15, Regs);π {Mem[$40 : $17] := OldMem;}πend;ππbeginπ SetSpeed(False);πend.π
