MS-DOS Player for Win32-x64 console 2/18/2024 ----- What's This This is MS-DOS emulator running on Win32-x64 command prompt. 16bit MS-DOS compatible commands can be executed on Win32-x64 envrionment. This emulator inherits the environment variables from the host Windows, and a target command can access the host's file path directly. So you can execute 16bit MS-DOS compatible commands on your 64bit Windows in the same sence as you did on 32bit Windows, and you do not need to copy any files to/from a virtual machine (VMware, Virtual PC, XP mode, or others). NOTE: This emulator DOES NOT support Win16 execution files. This emulator aims to support character user interface utilities, for example file converters, compilers, assemblers, debuggers, and text editors. NOTE: This emulator DOES NOT support graphic/sound hardwares and DOES NOT aim to support game softwares. I recommend DOSBOx for this purpose. ----- How To Use Start a command prompt and run this emulator with a target command file and any options. For example, compile a sample.c with LSI C-86 and execute the compiled binary: > msdos lcc sample.c > msdos sample.exe ----- Options Usage: MSDOS [-b] [-c[(new exec file)] [-p[P]]] [-d] [-e] [-i] [-m] [-n[L[,C]]] [-s[P1[,P2[,P3[,P4]]]]] [-sd] [-sc] [-vX.XX] [-wX.XX] [-x] [-a] [-l] (command) [options] -b stay busy during keyboard polling -c convert command file to 32bit or 64bit execution file -p record current code page when convert command file -d pretend running under straight DOS, not Windows -e use a reduced environment block -i ignore invalid instructions -m restrict free memory to 0x7FFF paragraphs -n create a new buffer (25 lines, 80 columns by default) -s enable serial I/O and set host's COM port numbers -sd enable DTR/DSR flow control -sc enable RTS/CTS flow control -v set the DOS version -w set the Windows version -x enable XMS and LIM EMS -a disable ANSI.SYS -l draw box lines with ank characters ISH.COM contains any invalid instructions and it cause an error. Please specify the option '-i' to ignore the invalid instructions. > msdos -i ish.com EDIT.COM does not work correctly when a free memory space is large. Please specify the option '-m' to restrict free memory to 0x7FFF paragraphs. > msdos -m edit.com "Windows Enhanced Mode Installation Check" API (INT 2FH, AX=1600H) and "Identify Windows Version and Type" API (INT 2FH, AX=160AH) return the Windows version number 4.10. If you want to change the version number, please specify the option '-wX.XX'. > msdos -w3.10 command.com Or if you want to pretend that Windows is not running, specify the option '-d'. > msdos -d command.com "Get Version Number" API (INT 21H, AH=30H) returns the version number 7.10. If you want to change the version number, please specify the option '-vX.XX'. > msdos -v3.30 command.com NOTE: "Get True Version Number" API (INT 21H, AX=3306H) always returns the version number 7.10 and '-v' option is not affected. NOTE: the Windows version 4.10 and the DOS version 7.10 are same as Windows 98, To enable XMS (i286 or later) and LIM EMS, please specify the option '-x'. In this time, the memory space 0C0000H-0CFFFFH are used for EMS page frame, so the size of UMB is decreased from 224KB to 160KB. To enable the serial I/O, please specify the option '-s[P1[,P2[,P3[,P4]]]]'. If you specify '-s', the virtual COM1-COM4 are connected to the host's COM ports found by SetupDiGetClassDevs() API. You can specify the host's COM port numbers connected to the virtual COM ports by adding numbers to '-s' option, for example '-s3,4,1,2'. If you specify '-sd', DTR/DSR flow control is enabled. In this time, MS-DOS Player sets/gets DTR and DSR pins of the host's COM port. Otherwise, virtual DTR pin is internally connected to virtual DSR pin, and DTR pin of the host's COM port is always active. If you specify '-sc', RTS/CTS flow control is enabled. In this time, MS-DOS Player sets/gets RTS and CTS pins of the host's COM port. Otherwise, virtual RTS pin is internally connected to virtual CTS pin, and RTS pin of the host's COM port is always active. NOTE: The maximum baud rate is limited to 9600bps. ----- Environment Variable Table Basically, the environment variable table on the host Windows is copied to the table on the virtual machine (hereinafter, referred to as "virtual table"), and in this time, APPEND/MSDOS_PATH/PATH/TEMP/TMP values are converted to short path. Some softwares (for example DoDiary Version 1.55) expect that the environment variable table should be less than 1024 bytes. On the Windows OS, there are too many variables and the environment variable table size will be more than 1024 bytes and it causes an error. In this case, please specify the option '-e' and only the minimum environment variables (APPEND/COMSPEC/LASTDRIVE/MSDOS_PATH/PATH/PROMPT/TEMP/TMP/TZ) are copied to the virtual table. > msdos -e dd.com The environment variable COMSPEC is not copied from the host Windows, and its value on the virtual table is always "C:\COMMAND.COM". If a program tries to open the "C:\COMMAND.COM" file, the file is redirected to the path in the environment variable MSDOS_COMSPEC on the host Windows. If MSDOS_COMSPEC is not defined, it is redirected to the COMMAND.COM file that does exist: - in the same directory as the target program file, - in the same directory as the running msdos.exe, - in the current directory, - in the directory that is in MSDOS_PATH and PATH environment variables You may have a directory that contains 16bit command files, and you may want not to add this path to PATH on the host Windows but want to add it to PATH on the virtual table. In this case, please define MSDOS_PATH on the host Windows, and its value is copied to the top of PATH on the virtual table. In other words, the value of PATH on the virtual table is MSDOS_PATH;PATH on the host Windows, so a program searches files in directories in MSDOS_PATH before files in directories in PATH. You can also define MSDOS_APPEND on the host Windows, and its value is copied to the top of APPEND on the virtual table. The environment variables TEMP and TMP on the host Windows may be very long, in usually, it is "C:\User\(Your User Name)\AppData\Local\Temp". DOSSHELL.EXE tries to create a batch file in the TEMP directry to start the selected program, and it may not work correctly because of the too long batch file path. In this case, please define MSDOS_TEMP on the host Windows, for example "C:\TEMP", and its value is copied to TEMP and TMP on the virtual table. If the environment variable MSDOS_LASTDRIVE is defined on the host Windows, its value is copied to LASTDRIVE on the virtual table. If both MSDOS_LASTDRIVE and LASTDRIVE are not defined on the host Windows, LASTDRIVE=Z is automatically defined on the virtual table. If the environment variable PROMPT is not defined on the host Windows, PROMPT=$P$G is automatically defined on the virtual table. If the environment variable MSDOS_TZ is defined on the host Windows, its value is copied to TZ on the virtual table. If both MSDOS_TZ and TZ are not defined on the host Windows, and if your timezone is in the following table, TZ is automatically defined on the virtual table, for example TZ=JST-9 in Japan. NOTE: This table is from: https://science.ksc.nasa.gov/software/winvn/userguide/3_1_4.htm ------- Greenwich Mean Time --------------------------------------------------- +00:00 GMT Standard Time GMT BST GB London +00:00 GMT Standard Time GMT IST IE Dublin +00:00 GMT Standard Time WET WES PT Lisbon +00:00 Greenwich Standard Time GMT GST IS Reykjavik ------- Fernando De Noronha Std ----------------------------------------------- -02:00 Mid-Atlantic Standard Time FST FDT BR Noronha -02:00 UTC-02 FST FDT BR Noronha ------- Brazil Standard Time -------------------------------------------------- -03:00 Bahia Standard Time BST BDT BR Bahia -03:00 SA Eastern Standard Time BST BDT BR Fortaleza -03:00 Tocantins Standard Time BST BDT BR Palmas ------- Eastern Standard (Brazil) --------------------------------------------- -03:00 E. South America Standard Time EST EDT BR Sao Paulo ------- Greenland Standard Time ----------------------------------------------- -03:00 Greenland Standard Time GST GDT GL Godthab ------- Newfoundland Standard Time -------------------------------------------- -03:30 Newfoundland Standard Time NST NDT CA St.Johns ------- Atlantic Standard Time ------------------------------------------------ -04:00 Atlantic Standard Time AST ADT CA Halifax ------- Western Standard (Brazil) --------------------------------------------- -04:00 Central Brazilian Standard Time WST WDT BR Cuiaba -04:00 SA Western Standard Time WST WDT BR Manaus ------- Chile Standard Time --------------------------------------------------- -04:00 Pacific SA Standard Time CST CDT CL Santiago ------- Eastern Standard Time ------------------------------------------------- -05:00 Eastern Standard Time EST EDT US New York -05:00 Eastern Standard Time (Mexico) EST EDT MX Cancun -05:00 US Eastern Standard Time EST EDT US Indianapolis ------- Acre Standard Time ---------------------------------------------------- -05:00 SA Pacific Standard Time AST ADT BR Rio Branco ------- Cuba Standard Time ---------------------------------------------------- -05:00 Cuba Standard Time CST CDT CU Havana ------- Central Standard Time ------------------------------------------------- -06:00 Canada Central Standard Time CST CDT CA Regina -06:00 Central Standard Time CST CDT US Chicago -06:00 Central Standard Time (Mexico) CST CDT MX Mexico City ------- Easter Island Standard ------------------------------------------------ -06:00 Easter Island Standard Time EST EDT CL Easter ------- Mountain Standard Time ------------------------------------------------ -07:00 Mountain Standard Time MST MDT US Denver -07:00 Mountain Standard Time (Mexico) MST MDT MX Chihuahua -07:00 US Mountain Standard Time MST MDT US Phoenix ------- Pacific Standard Time ------------------------------------------------- -08:00 Pacific Standard Time PST PDT US Los Angeles -08:00 Pacific Standard Time (Mexico) PST PDT MX Tijuana ------- Alaska Standard Time -------------------------------------------------- -09:00 Alaskan Standard Time AKS AKD US Anchorage ------- Hawaii Standard Time -------------------------------------------------- -10:00 Aleutian Standard Time HST HDT US Aleutian -10:00 Hawaiian Standard Time HST HDT US Honolulu ------- Samoa Standard Time --------------------------------------------------- +13:00 Samoa Standard Time SST SDT US Samoa ------- New Zealand Standard Time --------------------------------------------- +12:00 New Zealand Standard Time NZS NZD NZ Auckland ------- Guam Standard Time ---------------------------------------------------- +10:00 West Pacific Standard Time GST GDT GU Guam ------- Eastern Australian Standard ------------------------------------------- +10:00 AUS Eastern Standard Time EAS EAD AU Sydney +10:00 E. Australia Standard Time EAS EAD AU Brisbane +10:00 Tasmania Standard Time EAS EAD AU Hobart ------- Central Australian Standard ------------------------------------------- +09:30 AUS Central Standard Time CAS CAD AU Darwin +09:30 Cen. Australia Standard Time CAS CAD AU Adelaide ------- Japan Standard Time --------------------------------------------------- +09:00 Tokyo Standard Time JST JDT JP Tokyo ------- Korean Standard Time -------------------------------------------------- +09:00 Korea Standard Time KST KDT KR Seoul +09:00 North Korea Standard Time KST KDT KP Pyongyang ------- China Coast Time ------------------------------------------------------ +08:00 China Standard Time CCT CDT CN Shanghai +08:00 Taipei Standard Time CCT CDT TW Taipei ------- Hong Kong Time -------------------------------------------------------- +08:00 China Standard Time HKT HKS HK Hong Kong ------- Singapore Standard Time ----------------------------------------------- +08:00 Singapore Standard Time SST SDT SG Singapore ------- Western Australian Standard ------------------------------------------- +08:45 Aus Central W. Standard Time WAS WAD AU Eucla +08:00 W. Australia Standard Time WAS WAD AU Perth ------- North Sumatra Time ---------------------------------------------------- +07:00 SE Asia Standard Time NST NDT ID Jakarta ------- Indian Standard Time -------------------------------------------------- +05:30 India Standard Time IST IDT IN Calcutta ------- Iran Standard Time ---------------------------------------------------- +03:30 Iran Standard Time IST IDT IR Tehran ------- Moscow Winter Time ---------------------------------------------------- +03:00 Belarus Standard Time MSK MSD BY Minsk +03:00 Russian Standard Time MSK MSD RU Moscow ------- Eastern Europe Time --------------------------------------------------- +02:00 E. Europe Standard Time EET EES MD Chisinau +02:00 FLE Standard Time EET EES UA Kiev +02:00 GTB Standard Time EET EES RO Bucharest +02:00 Kaliningrad Standard Time EET EES RU Kaliningrad ------- Israel Standard Time -------------------------------------------------- +02:00 Israel Standard Time IST IDT IL Jerusalem ------- Central European Time ------------------------------------------------- +01:00 Central Europe Standard Time CET CES HU Budapest +01:00 Central European Standard Time CET CES PL Warsaw +01:00 Romance Standard Time CET CES FR Paris +01:00 W. Europe Standard Time CET CES DE Berlin ------- West African Time ----------------------------------------------------- +01:00 Namibia Standard Time WAT WAS NA Windhoek +01:00 W. Central Africa Standard Time WAT WAS NG Lagos NOTE: MSDOS_(APPEND/COMSPEC/LASTDRIVE/TEMP/TZ) are not copied to the virtual table, but MSDOS_PATH is copied to, because some softwares may refer it. ----- Recommended Configurations Create C:\DOS and C:\TEMP folders. Copy COMMAND.COM (I recommend the Windows 98's COMMAND.COM Version 7.10) and other DOS command files (ex. MORE.COM) into C:\DOS folder. Set the environment variables listed below on the host Windows: MSDOS_COMSPEC = C:\DOS\COMMAND.COM MSDOS_PATH = C:\DOS MSDOS_TEMP = C:\TEMP ----- Convert Command File To 32bit Or 64bit Execution File You can convert a 16bit command file to a single 32bit or 64bit execution file by embeding a command file to the msdos.exe. For exmaple, you can convert LIST.COM by this command: > msdos -cLIST32.EXE LIST.COM and you can simply run LIST32.EXE without msdos.exe. NOTE: Please specify a target command file with its extension, and specify a new execution file name other than "msdos.exe". If a new execution file name is not specified (only "-c" is specified), it is "new_exec_file.exe". Other options' value are also stored to a new execution file, for example: > msdos -cCOMMAND32.EXE -v6.22 -x COMMAND.COM When you run COMMAND32.EXE, it starts COMMAND.COM with the version 6.22 and XMS/EMS option enabled. The active code page can be also stored with '-p' option, for example: > msdos -cSW1US32.EXE -p437 -s SW1US.EXE > chcp 437 > msdos -cSW1US32.EXE -p -s SW1US.EXE When you run SW1US32.EXE, it starts SW1US.EXE with the code page 437 and serial I/O option enabled. At the execution time, an embedded command file will be extracted with the original command file name in the current directory. But if the original command file exists, it will be extracted with the temporary command file name not to overwrite the original command file. The extracted command file will be removed when the execution is finished. ----- Binaries This archive contains 12 executable binaries: i86_x86 Emulates 8086 and supports both 32bit/64bit Windows i86_x64 Emulates 8086 and supports only 64bit Windows i286_x86 Emulates 80286 and supports both 32bit/64bit Windows i286_x64 Emulates 80286 and supports only 64bit Windows i386_x86 Emulates 80386 and supports both 32bit/64bit Windows i386_x64 Emulates 80386 and supports only 64bit Windows i486_x86 Emulates 80486 and supports both 32bit/64bit Windows i486_x64 Emulates 80486 and supports only 64bit Window pentium4_x86 Emulates Pentium4 and supports both 32bit/64bit Windows pentium4_x64 Emulates Pentium4 and supports only 64bit Window v30_x86 Emulates NEC V30 and supports both 32bit/64bit Windows v30_x64 Emulates NEC V30 and supports only 64bit Windows ia32_x86 Emulates IA32 and supports both 32bit/64bit Windows ia32_x64 Emulates IA32 and supports only 64bit Windows 8086 binaries are much faster than 80286/80386/80486/Pentium4/IA32 binaries. If you don't need the protected mode or new mnemonics added after 80286, I recommend i86_x86 or i86_x64 binary. NEC V30 binaries support 8080 emulation mode. If you try CP/M-80 emulator using 8080 emulation mode, use these binaries. IA32 binaries include Neko Project 21/W i386c core and support FPU/MMX/SSE/2/3. These binaries will emulate the protected mode more correctly. The VC++ project file "msdos.vcproj/vcxproj" also contains the configurations for 80186, Pentium/PRO/MMX/2/3, and Cyrix MediaGX. You can build all binaries for several cpu models by running build9_all.bat or build15_all.bat. (You need VC++ 2008 with Service Pack 1 or VC++ 2017) ----- Internal Debugger MS-DOS Player contains the internal debugger for developers, but it is disabled on the binaries in the archive. To enable the internal debugger, please remove the comment out of definition "//#define USE_DEBUGGER" in common.h and build the binary. MS-DOS Player opens the telnet port. The port number is 23 in default, but if it is already used, 9000 or later. When you start your telnet client and connect to MS-DOS Player, the virtual cpu is suspended and you can start the debugger. If you see the messsage "waiting until cpu is suspended...", the internal DOS service is running, for example waiting your key inputs. The virtual cpu will be suspended when exit the internal DOS service, and you can start the debugger. If Tera Term PRO, PuTTY, or Windows telnet client (telnet.exe) is installed, it is automatically started and connected to MS-DOS Player. When you use Tera Term PRO or PuTTY, I recommend to disable "Line at Time" and enable "Character at Time". NOTE: When you run 32bit version of MS-DOS Player on Windows x64, MS-DOS Player will try to start 32bit version of telnet.exe in SysWOW64, but it is not usually installed. Please enter ? command to show the debugger commands. They are very similar to DEBUG command, and some break point functions (break at memory access (*), I/O port access, and interrupt) are added. (*) break does not occur when DOS service/BIOS emulation codes access. ----- Supported Hardwares This emulator provides a very simple IBM PC-like hardware emulation: CPU 8086/286/386/486/Pentium4, RAM 1MB/16MB/32MB, LIM EMS 32MB (Hardware EMS), PC BIOS, DMA Controller (dummy), Interrupt Controller, System Timer, Parallel I/O (LPT1-3), Serial I/O (COM1-4), Real Time Clock + CMOS Memory, MDA/CGA CRTC + Status Register, Keyboard Controller (A20 Line Mask, CPU Reset), and 2-Button Mouse NOTE: - Graphic/Sound hardwares are NOT implemented. - DMA Controller is implemented, but FDC and HDC are not connected. - Parallel I/O is implemented and the output data is written to the file "Year-Month-Day_Hour-Minute-Second.PRN" created in the TEMP directory. - Serial I/O is implemented and can be connected to the host's COM ports. ----- Memory Map 000000H - Conventional Memory (704KB) 0B0000H - MDA Text Video RAM (32KB) 0B8000H - CGA Text Video RAM (32KB) ---------- 0C0000H - Upper Memory Block (224KB) --- Or --- 0C0000H - EMS Page Frame (64K) 0D0000H - Upper Memory Block (160KB) ---------- 0F8000H - V-TEXT Shadow Buffer (32KB-64B) 0FFFC0H - Dummy BIOS/DOS/Driver Service Routines 0FFFF0H - CPU Boot Address 100000H - Upper Memory (15MB/31MB) ----- Supported System Calls INT 08H PC BIOS - System Timer INT 10H PC BIOS - Video 00H Set Video Mode 01H Set Text-Mode Cursor Shape 02H Set Cursor Position 03H Get Cursor Position And Size 05H Select Active Display Page 06H Scroll Up Window 07H Scroll Down Window 08H Read Character And Attribute At Cursor Position 09H Write Character And Attribute At Cursor Position 0AH Write Character Only At Cursor Position 0CH Write Graphics Pixel 0DH Read Graphics Pixel 0EH Teletype Output 0FH Get Current Video Mode 1100H Load User-Specified Patterns 1101H Load ROM 8x14 Monochrome Patterns 1102H Load ROM 8x8 Dbl-Dot Patterns 1104H Load ROM 8x16 Character Set 1110H Load User-Specified Patterns 1111H Load ROM 8x14 Monochrome Patterns 1112H Load ROM 8x8 Dbl-Dot Patterns 1114H Load ROM 8x16 Character Set 1118H Set V-TEXT Vertically Long Mode 1130H Get Font Information 12H Alternate Function Select (BL=10H) 130*H Write String 1310H Read Characters And Standard Attributes 1311H Read Characters And Extended Attributes 1312H Write Characters And Standard Attributes (???) 1313H Write Characters And Extended Attributes (???) 1320H Write Characters And Standard Attributes 1321H Write Characters And Extended Attributes 1A00H Get Display Combination Code 1BH Perform Gray-Scale Summing 8200H Get/Set Scroll Mode 8300H Get Video RAM Address 90H Get Physical Workstation Display Mode 91H Get Physical Workstation Adapter Type EFH Get Video Adapter Type And Mode (*1) FEH Get Shadow Buffer FFH Update Screen From Shadow Buffer INT 11H PC BIOS - Get Equipment List INT 12H PC BIOS - Get Memory Size INT 13H PC BIOS - Disk I/O 00H Reset Disk System 01H Get Status Of Last Operation 02H Read Sectors Into Memory 03H Write Disk Sectors (*2) 04H Verify Disk Sectors 08H Get Drive Parameters 0AH Read Long Sectors 0BH Write Long Sectors 0DH Reset Hard Disks 10H Check If Drive Ready 15H Get Disk Type INT 14H PC BIOS - Serial I/O 00H Initialize Port 01H Write Character To Port 02H Read Character From Port 03H Get Port Status 04H Extended Initialize 0500H Read Modem Control Register 0501H Write Modem Control Register INT 15H PC BIOS 2300H Get CMOS Data 2301H Set CMOS Data 2400H Disable A20 Gate 2401H Enable A20 Gate 2402H Get A20 Gate Status 2403H A20 Support 49H Get BIOS Type 5000H Get Address Of "Read Font" Function 5001H Get Address Of "Write Font" Function 84H Joystick Support (*3) 86H Wait 87H Copy Extended Memory 88H Get Extended Memory Size 89H Switch To Protected Mode 8AH Get Big Memory Size C0H Get Configuration C200H Pointing Device BIOS Interface (PS) - Enable/Disable C201H Pointing Device BIOS Interface (PS) - Reset C202H Pointing Device BIOS Interface (PS) - Set Sampling Rate C203H Pointing Device BIOS Interface (PS) - Set Resolution C204H Pointing Device BIOS Interface (PS) - Get Type C205H Pointing Device BIOS Interface (PS) - Initialize C206H Pointing Device BIOS Interface (PS) - Extended Commands C207H Pointing Device BIOS Interface (PS) - Set Device Handler Addr C208H Pointing Device BIOS Interface (PS) - Write To Pointer Port C209H Pointing Device BIOS Interface (PS) - Read From Pointer Port C9H Get CPU Type And Mask Revision CA00H Read CMOS Memory CA01H Write CMOS Memory E801H Get Memory Size For >64M Configurations E820H Get System Memory MAP E881H Get Memory Size For >64M Configurations INT 16H PC BIOS - Keyboard 00H Get Keystroke 01H Check For Keystroke 02H Get Shift Flags 05H Store Keystroke In Keyboard Buffer 09H Get Keyboard Functionality 0AH Get Keyboard ID 10H Get Enhanced Keystroke 11H Check For Enhanced Keystroke 12H Get Extended Shift States 51H AX (Japanese AT) Keyboard - Read Shift Key Status INT 17H PC BIOS - Printer 00H Write Character 01H Initialize Port 02H Get Status 03H AX (Japanese AT) Printer - Output String Without Conversion 5000H AX (Japanese AT) Printer - Set Printer Country Code 5001H AX (Japanese AT) Printer - Get Printer Country Code 51H AX (Japanese AT) Printer - JIS To Shift-JIS Conversion 52H AX (Japanese AT) Printer - Shift-JIS To JIS Conversion 84H AX (Japanese AT) Printer - Output Character Without Conversion 85H AX (Japanese AT) Printer - Enable/Disable Character Conversion INT 1AH PC BIOS - Timer 1A00H Get System Timer 1A02H Get Real Time Clock Time 1A04H Get Real Time Clock Date 1A0AH Read System-Timer Day Counter INT 20H Program Terminate INT 21H MS-DOS System Call 00H Program Terminate 01H Keyboard Input 02H Console Output 03H (Auxiliary Input) 04H (Auxiliary Output) 05H (Printer Output) 06H Direct Console I/O 07H Direct Console Input 08H Console Input Without Echo 09H Print String 0AH Buffered Keyboard Input 0BH Check Console Status 0CH Character Input With Buffer Flush 0DH Disk Reset 0EH Select Disk 0FH Open File With FCB 10H Close File With FCB 11H Search First Entry With FCB 12H Search Next Entry With FCB 13H Delete File With FCB 14H Sequential Read With FCB 15H Sequential Write With FCB 16H Create New File With FCB 17H Rename File With FCB 18H Null Function For CP/M Compatibility 19H Current Disk 1AH Set Disk Transfer Address 1BH Get Allocation Information For Default Drive 1CH Get Allocation Information For Specified Drive 1DH Null Function For CP/M Compatibility 1EH Null Function For CP/M Compatibility 1FH Get Drive Parameter Block For Default Drive 20H Null Function For CP/M Compatibility 21H Random Read With FCB 22H Randome Write With FCB 23H Get File Size With FCB 24H Set Relative Record Field With FCB 25H Set Vector 26H Create New Program Segment Prefix 27H Random Block Read With FCB 28H Random Block Write With FCB 29H Parse File Name 2AH Get Date 2BH Set Date 2CH Get Time 2DH Set Time 2EH Set/Reset Verify Switch 2FH Get Disk Transfer Address 30H Get Version Number (*4) 31H Keep Process 32H Get DOS Drive Parameter Block 3300H Get Ctrl-Break Checking State 3301H Set Ctrl-Break Checking State 3302H Get/Set Ctrl-Break Checking State 3305H Get Boot Drive 3306H Get True Version Number (*5) 3307H Windows95 - Set/Clear DOS_FLAG 34H Get Address Of InDOS Flag 35H Get Vector 36H Get Disk Free Space 3700H Get Switch Character 3701H Set Switch Character 3702H Get AvailDev Flag 3703H Set AvailDev Flag 38H Get Country Specific Information 39H Create Subdirectory 3AH Remove Subdirectory 3BH Change Current Directory 3CH Create File 3DH Open File Handle 3EH Close File Handle 3FH Read From File Or Device 40H Write To File Or Device 41H Erase File From Directory 42H Move File Read/Write Pointer 4300H Get File Attribute 4301H Set File Attribute 4302H MS-DOS 7 - Get Compressed File Size 43FFH Windows98 - Extended-Length File Name Operations 4400H Get Device Information 4401H Set Device Information 4402H Read From Character Device Control Channel 4406H Get Input Status 4407H Get Output Status 4408H Device Removable Query 4409H Device Local Or Remote Query 440AH Handle Local Or Remote Query 440CH Generic Character Device Request 440DH Generic Block Device Request 4410H Query Generic IOCTRL Capability (Handle) 4411H Query Generic IOCTRL Capability (Drive) 45H Duplicate File Handle 46H Force Duplicate Of Handle 47H Get Current Directory 48H Allocate Memory 49H Free Allocated Memory 4AH Modify Allocated Memory Blocks 4B00H Load And Execute Program 4B01H Load Program 4B03H Load Overlay 4CH Terminate Process 4DH Get Subprocess Return Code 4EH Find First Matching File 4FH Find Next Matching File 50H Set Program Segment Prefix Address 51H Get Program Segment Prefix Address 52H Get DOS Info Table 53H Translate BIOS Parameter Block To Drive Param Bock 54H Get Verify State 55H Create Child Program Segment Prefix 56H Rename File 5700H Get Last Written Date And Time 5701H Set Last Written Date And Time 5704H Windows95 - Get Last Access Date And Time 5705H Windows95 - Set Last Access Date And Time 5706H Windows95 - Get Creation Date And Time 5707H Windows95 - Set Creation Date And Time 5800H Get Memory Allocation Strategy 5801H Set Memory Allocation Strategy 5802H Get UMB Link State 5803H Set UMB Link State 59H Get Extended Error Information 5AH Create Unique File 5BH Create New File 5CH Lock/Unlock File Access 5D00H Server Function Call 5D06H Get Address Of DOS Swappable Data Area 5D0AH Set Extended Error Information 5E00H Get Machine Name 5F02H Get Redirection List Entry 5F05H Get Extended Redirection List Entry 5F07H Enable Drive 5F08H Disable Drive 60H Canonicalize Filename Or Path 61H Reserved Fnction 62H Get Program Segment Prefix Address 6300H Get DBCS Vector 6500H Windows95 OSR2 - Set General Internationalization Info 6501H Get General Internationalization Info 6502H Get Upper Case Table 6503H Get Lower Case Table 6504H Get File Name Upper Case Table 6505H Get File Name Lower Case Table 6506H Get Collating Sequence Table 6507H Get DBCS Vector 6520H Character Capitalization 6521H String Capitalization 6522H ASCIIZ Capitalization 6523H Determine If Character Represents Yes/No Response 65A0H Character Capitalization 65A1H String Capitalization 65A2H ASCIIZ Capitalization 6601H Get Global Code Page Table 6602H Set Global Code Page Table 67H Set Handle Count 68H Commit File 6900H Get Disk Serial Number 6AH Commit File 6BH Null Function 6CH Extended Open/Create 7002H Windows95 - Set General Internationalization Info 710DH Windows95 - Reset Drive 7139H Windows95 - LFN - Create Subdirectory 713AH Windows95 - LFN - Remove Subdirectory 713BH Windows95 - LFN - Change Current Directory 7141H Windows95 - LFN - Erase File From Directory 7143H Windows95 - LFN - Get/Set File Attribute 7147H Windows95 - LFN - Get Current Directory 714EH Windows95 - LFN - Find First Matching File 714FH Windows95 - LFN - Find Next Matching File 7156H Windows95 - LFN - Rename File 7160H Windows95 - LFN - Canonicalize Filename Or Path 716CH Windows95 - LFN - Extended Open/Create 71A0H Windows95 - LFN - Get Volume Information 71A1H Windows95 - LFN - Terminate Directory Search 71A6H Windows95 - LFN - Get File Information By Handle 71A7H Windows95 - LFN - Convert File Time/DOS Time 71A8H Windows95 - LFN - Generate Short File Name 71A9H Windows95 - LFN - Extended Server Open/Create 71AAH Windows95 - LFN - Create/Terminate/Query SUBST 7300H Windows95 - FAT32 - Get Drive Locking 7302H Windows95 - FAT32 - Get Extended DPB 7303H Windows95 - FAT32 - Get Extended Free Space On Drive DBH Novell NetWare - Workstation - Get Number Of Local Drives DCH Novell NetWare - Connection Services - Get Connection Number INT 23H Ctrl-Break Address INT 24H Critical Error Handler INT 25H Absolute Disk Read INT 26H Absolute Disk Write (*2) INT 27H Terminate And Stay Resident INT 28H DOS Idle INT 29H DOS Fast Character I/O INT 2EH Pass Command To Command Interpreter For Execution INT 2FH Multiplex Interrupt 0500H DOS 3.0+ Critical Error Handler - Installation Check 0502H DOS 3.0+ Critical Error Handler - Expand Error Into String 1200H DOS 3.0+ internal - Installation Check 1202H DOS 3.0+ internal - Get Interrupt Address 1203H DOS 3.0+ Internal - Get DOS Data Segment 1204H DOS 3.0+ internal - Normalize Path Separator 1205H DOS 3.0+ internal - Output Character To Standard Output 120DH DOS 3.0+ internal - Get Date And Time 1211H DOS 3.0+ internal - Normalize ASCIZ Filename 1212H DOS 3.0+ internal - Get Length Of ASCIZ String 1213H DOS 3.0+ internal - Uppercase Character 1214H DOS 3.0+ internal - Compare Far Pointers 1216H DOS 3.0+ internal - Get System File Table Entry 1217H DOS 3.0+ internal - Get Current Directory Structure For Drive 121AH DOS 3.0+ internal - Get File's Drive 121BH DOS 3.0+ internal - Set Year/Length Of February 121EH DOS 3.0+ internal - Compare Filenames 121FH DOS 3.0+ internal - Build Current Directory Structure 1220H DOS 3.0+ internal - Get Job File Table Entry 1221H DOS 3.0+ internal - Canonicalize File Name 1222H DOS 3.0+ internal - Set Extended Error Info 1225H DOS 3.0+ internal - Get Length Of ASCIZ String 1226H DOS 3.3+ internal - Open File 1227H DOS 3.3+ internal - Close File 1228H DOS 3.3+ internal - Move File Pointer 1229H DOS 3.3+ internal - Read From File 122BH DOS 3.3+ internal - IOCTL 122CH DOS 3.3+ internal - Get Device Chain 122DH DOS 3.3+ internal - Get Extended Error Code 122EH DOS 4.0+ internal - Get Error Table Addresses 122FH DOS 4.0+ internal - Set DOS Version Number To Return 1400H NLSFUNC.COM - Installation Check 1401H NLSFUNC.COM - Change Code Page 1402H NLSFUNC.COM - Get Extended Country Info 1403H NLSFUNC.COM - Set Code Page 1404H NLSFUNC.COM - Get Country Info 150BH CD-ROM v2.00+ - Drive Check 150DH CD-ROM v2.00+ - Get CD-ROM Drive Letters 1600H Windows - Windows Enhanced Mode Installation Check (*6) 1605H Windows - Windows Enhanced Mode & 286 DOSX Init Broadcast 160AH Windows - Identify Windows Version And Type (*6) 1680H Windows, DPMI - Release Current Virtual Machine Time-Slice 1683H Windows 3+ - Get Current Virtual Machine ID 1A00H ANSI.SYS - Installation Check 1A01H ANSI.SYS - Set/Get Display Information 4000H Windows 3+ - Get Virtual Device Driver (VDD) Capabilities 4300H XMS - Installation Check 4308H HIMEM.SYS - Get A20 Handler Number 4310H XMS - Get Driver Address 4810H Read Input Line From Console 4A01H DOS 5.0+ - Query Free HMA Space 4A02H DOS 5.0+ - Allocate HMA Space 4A03H Windows95 - (De)Allocate HMA Memory Block 4A04H Windows95 - Get Start Of HMA Memory Chain AD00H DISPLAY.SYS - Installation Check AD01H DISPLAY.SYS - Set Active Code Page AD02H DISPLAY.SYS - Get Active Code Page AD03H DISPLAY.SYS - Get Code Page Information 4F00H BILING - Get Version 4F01H BILING - Get Code Page AE00H Installable Command - Installation Check AE01H Installable Command - Execute INT 33H Mouse 0000H Reset Driver And Rest Status 0001H Show Mouse Cursor 0002H Hide Mouse Cursor 0003H Return Position And Button Status 0004H Position Mouse Cursor 0005H Return Button Press Data 0006H Return Button Release Data 0007H Define Horizontal Cursor Range 0008H Define Vertical Cursor Range 0009H Define Graphics Cursor 000AH Define Text Cursor 000BH Read Motion Counters 000CH Define Interrupt Sub Routine Parameters 000FH Define Mickey/Pixel Ratio 0011H Get Number Of Buttons 0014H Exchange Interrupt Sub Routines 0015H Return Driver Storage Requirements 0016H Save Driver State 0017H Restore Driver State 0018H Set Alternate Mouse User Handler 0019H Return User Alternate Interrupt Vector 001AH Set Mouse Sensitivity 001BH Return Mouse Sensitivity 001DH Define Display Page Number 001EH Return Display Page Number 001FH Disable Mouse Driver 0020H Enable Mouse Driver 0021H Software Reset 0022H Set Language For Messages 0023H Get Language For Messages 0024H Get Software Version, Moouse Type, And IRQ Number (*7) 0025H Get General Driver Information 0026H Get Maximum Virtual Coordinates 0027H Get Screen/Cursor Masks And Mickey Counts 0028H Set Video Mode 0029H Enumerate Video Modes 002AH Get Cursor Host Spot 0031H Get Current Minimum/Maximum Virtual Coordinates 0032H Get Active Advanced Functions 004DH Return Pointer To Copyright String 006DH Get Version String INT 65H-66H (Used For Dummy LIM EMS/XMS Service Routines) INT 67H LIM EMS 40H LIM EMS - Get Manager Status 41H LIM EMS - Get Page Frame Segment 42H LIM EMS - Get Number Of Pages 43H LIM EMS - Get Handle And Allocate Memory 44H LIM EMS - Map/Unmap Memory 45H LIM EMS - Release Handle And Memory 46H LIM EMS - Get EMM Version (*8) 47H LIM EMS - Save Mapping Context 48H LIM EMS - Restore Mapping Context 4BH LIM EMS - Get Number Of EMM Handles 4CH LIM EMS - Get Pages Owned By Handle 4DH LIM EMS - Get Pages For All Handles 4E00H LIM EMS - Get Page Map 4E01H LIM EMS - Set Page Map 4E02H LIM EMS - Get And Set Page Map 4E03H LIM EMS - Get Page Map Array Size 4F00H LIM EMS 4.0 - Get Partial Page Map 4F01H LIM EMS 4.0 - Set Partial Page Map 4F02H LIM EMS 4.0 - Get Partial Page Map Array Size 50H LIM EMS 4.0 - Map/Unmap Multiple Handle Pages 51H LIM EMS 4.0 - Reallocate Pages 52H LIM EMS 4.0 - Get/Set Handle Attributes 5300H LIM EMS 4.0 - Get Handle Name 5301H LIM EMS 4.0 - Set Handle Name 5400H LIM EMS 4.0 - Get Handle Directory 5401H LIM EMS 4.0 - Search For Named Handle 5402H LIM EMS 4.0 - Get Total Handles 55H LIM EMS 4.0 - Alter Page Map And Jump 56H LIM EMS 4.0 - Alter Page Map And Call 5602H LIM EMS 4.0 - Get Page Map Stack Space Required 5700H LIM EMS 4.0 - Move Memory Region 5701H LIM EMS 4.0 - Exchange Memory Region 5800H LIM EMS 4.0 - Get Mappable Physical Address Array 5801H LIM EMS 4.0 - Get Mappable Physical Address Array Entries 5900H LIM EMS 4.0 - Get Hardware Configuration Array 5901H LIM EMS 4.0 - Get Unallocated Raw Page Count 5A00H LIM EMS 4.0 - Allocate Standard Pages 5A01H LIM EMS 4.0 - Allocate Raw Pages 5B00H LIM EMS 4.0 - Get Alternate Map Register Set 5B01H LIM EMS 4.0 - Set Alternate Map Register Set 5B02H LIM EMS 4.0 - Get Alternate Map Save Array Size 7000H EMS - Get Page Frame Status (NEC PC-9801 Only ???) 7001H EMS - Enable/Disable Page Frame (NEC PC-9801 Only ???) DE00H VCPI - Installation Check DE01H VCPI - Get Protected Mode Interface DE02H VCPI - Get Max Physical Memory Address DE03H VCPI - Get Number Of Free 4KB Pages DE04H VCPI - Allocate 4KB Page DE05H VCPI - Free 4KB Page DE06H VCPI - Get Physical Address Of Page In First MB DE07H VCPI - Read CR0 DE08H VCPI - Read Debug Registers DE09H VCPI - Write Debug Registers DE0AH VCPI - Get 8259 Interrupt Vector Mapping DE0BH VCPI - Set 8259 Interrupt Vector Mapping DE0CH VCPI - Switch To Protected Mode INT 68H-6FH (Used For Dummy BIOS/DOS/Driver Service Routines) CALL FAR XMS 00H XMS - Get XMS Version Number (*9) 01H XMS - Request High Memory Area 02H XMS - Release High Memory Area 03H XMS - Global Enable A20 04H XMS - Global Disable A20 05H XMS - Local Enable A20 06H XMS - Local Disable A20 07H XMS - Query A20 State 08H XMS - Query Free Extended Memory 09H XMS - Allocate Extended Memory Block 0AH XMS - Free Extended Memory Block 0BH XMS - Move Extended Memory Block 0CH XMS - Lock Extended Memory Block 0DH XMS - Unlock Extended Memory Block 0EH XMS - Get Handle Information 0FH XMS - Reallocate Extended Memory Block 10H XMS - Request Upper Memory Block 11H XMS - Release Upper Memory Block 12H XMS 3.0 - Reallocate Upper Memory Block 88H XMS 3.0 - Query Free Extended Memory 89H XMS 3.0 - Allocate Any Extended Memory 8EH XMS 3.0 - Get Extended EMB Handle Information 8FH XMS 3.0 - Reallocate Any Extended Memory Block (*1) Not a Hercules-compatible video adapter (*2) Support only floppy disk drive (*3) Joysticks are not connected (*4) MS-DOS Version: 7.10 (default) or specified version with -v option (*5) MS-DOS Version: 7.10, -v option is not affected (*6) Windows Version: 4.10 (default) or specified version with -w option (*7) Mouse Version: 8.05 (*8) EMS Version: 4.0 (*9) XMS Version: 3.95 ----- INT 29H Limitations When INT 21H/2FH service outputs a character to console, INT 29H service (DOS Fast Character I/O) is called. If INT 21H/2FH service that outputs a character to console is called again in INT 29H handler, INT 29H is not called again to prevent an infinite loop. In usual, the virtual CPU is running while waiting inputs from console in INT 21H, AH=01H/0AH/3FH service and a timer interrupt can be raised. If INT 29H handler is hooked by your software, the virtual CPU is suspended while waiting inputs from console, and a timer interrupt never be raised. ----- Win32/64 Child Process When we run a Win32/64 program on usual MS-DOS environment, we will see an error message "This program cannot be run in DOS mode." When a Win32/64 program file is called by INT 21H, AX=4B00H, INT 2EH, or INT 2FH, AX=AE01H services, for example the case we run it on COMMAND.COM, it is executed as a Win32/64 child process by Win32 system() API and waits until the child process is terminated. In this time, any characters output to the console by this Win32/64 child process is not hooked by INT 29H service. When you run a Win32/64 program with pipe, it may not work as you expect. For example, you may run Win32/64 version of more.com with pipe as follows: > msdos command.com > type foo.txt | more (more.com is Win32/64 program in C:\Windows\System32) MS-DOS Player starts more.com as a Win32/64 child process and will wait until the child process is terminated. While waiting until the child process is terminated, the virtual CPU is suspended and outputs of "type foo.txt" never be sent to the child process. --- License The copyright belongs to the author, but you can use the source codes under the GNU GENERAL PUBLIC LICENSE Version 2. See also COPYING.txt for more details about the license. ----- Thanks 8086/80286 code is based on MAME 0.149 and applied fixes in MAME 0.150-0.185. NEC V30 instructions code is based on MAME 0.128. 8038/80486 code is based on MAME 0.152 and applied fixes in MAME 0.154-0.185. IA32 code is based on Neko Project 21/W. INT 15H AH=84H (Joystick Support), INT 15H AH=87H (Copy Extended Memory), INT 15H AH=89H (Switch To Protected Mode), INT 15H AX=C209H (Read From Pointer Port) INT 21H AX=4402H (Read From Character Device Control Channel), INT 33H AX=001FH (Disable Mouse Driver), INT 33H AX=0020H (Enable Mouse Driver), INT 67H AX=DE01H (Get Protected Mode Interface), INT 67H AX=DE0CH (Switch To Protected Mode), and some DOS info block improvements are based on DOSBox. Imported many fixes from Mr.cracyc's fork hosted at: https://github.com/cracyc/msdos-player Patched by Mr.Sagawa, Mr.sava (lukewarm), Mr.Kimura (emk), Mr.Jason Hood, Mr.N2583ZYOB6, Mr.Fujita, Mr.Mark Ogden, Mr.cacyc, and Mr.roytam ---------------------------------------- TAKEDA, toshiya t-takeda@m1.interq.or.jp http://takeda-toshiya.my.coocan.jp/ |
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