other

Members

inner ARGS

Properties:
Name Type Description
ARGS Array.<string> the command line arguments including the script name.

inner DEBUG

Properties:
Name Type Description
DEBUG boolean enable/disable Debug() output.

inner DOJS_VERSION

Properties:
Name Type Description
DOJS_VERSION number the version

inner FILE

file mode definition.
Properties:
Name Type Description
READ * open file in read mode.
WRITE * open file in write mode (truncating existing contents)
APPEND * open file in append mode.

inner IPX_AVAILABLE

Properties:
Name Type Description
IPX_AVAILABLE boolean true if networking is available.

inner KEY

keyboard input.
Properties:
Name Type Description
Code * key definitions.

inner MOUSE

event interface.
Properties:
Name Type Description
Mode.NONE * no cursor
Mode.ARROW * arrow cursor
Mode.BUSY * busy cursor
Mode.QUESTION * questionmark cursor
Mode.CURSOR_EDIT * edit cursor
Buttons * mouse button definitions
Properties
Name Type Description
LEFT *
RIGHT *
MIDDLE *

inner MOUSE_AVAILABLE

Properties:
Name Type Description
MOUSE_AVAILABLE boolean true if mouse is available.

inner REMOTE_DEBUG

Properties:
Name Type Description
REMOTE_DEBUG boolean enable/disable Debug() sending via IPX.

inner SOUND

sound input selection.
Properties:
Name Type Description
Input.MIC * use microphone input
Input.LINE * use line input
Input.CD * use CD input
Bits.BITS8 * use 8 bits
Bits.BITS16 * use 16 bits

inner SOUND_AVAILABLE

Properties:
Name Type Description
SOUND_AVAILABLE boolean true if sound is available.

inner SYSTEM

System() flags for subsystem shutdown/restart.
Properties:
Name Type Description
MOUSE * de/reinit mouse
SOUND * de/reinit sound
JOYSTICK * de/reinit joystick
KEYBOARD * de/reinit keyboard
TIMER * de/reinit timer

Methods

inner _Debug(str)

Internal debug which does not redirect to IPX if enabled.
Parameters:
Name Type Description
str string the message to print.

inner CharCode(s)

get char code.
Parameters:
Name Type Description
s string a string
Returns:
- the ASCII-code of the first character.

inner CompareKey(k, s)

compare a keycode with a character.
Parameters:
Name Type Description
k number keycode from an Event
s string a string with one char

inner Debug(str)

print javascript debug output if DEBUG is true.
Parameters:
Name Type Description
str string the message to print.

inner Gc(info)

Run garbage collector, print statistics to logfile if 'info==true'.
Parameters:
Name Type Description
info boolean true to print collection stats to logfile.

inner GetFramerate() → {number}

Current frame rate.
Returns:
number - current framerate.

inner Include(name)

include a module. The exported functions are copied into global scope.
Parameters:
Name Type Description
name string module file name.

inner InPortByte(port) → {number}

read a byte value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 8-bit value read from port.

inner InPortLong(port) → {number}

read a long value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 32-bit value read from port.

inner InPortWord(port) → {number}

read a word value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 16-bit value read from port.

inner List(dname) → {Array.<string>}

Get directory listing.
Parameters:
Name Type Description
dname string name of directory to list.
Throws:
Throws an error if listing fails.
Returns:
Array.<string> - array of entry names.

inner MemoryInfo() → {MemInfo}

Get information system memory.
Returns:
MemInfo - an info object.

inner MouseSetCursorMode(mode)

Change mode of the mouse cursor.
Parameters:
Name Type Description
mode * a mode from MOUSE.

inner MouseSetLimits(x1, y1, x2, y2)

Limit mouse movement.
Parameters:
Name Type Description
x1 number start x coordinate.
y1 number start y coordinate.
x2 number end x coordinate.
y2 number end y coordinate.

inner MouseSetSpeed(x, y)

Set mouse speed.
Parameters:
Name Type Description
x number horizontal speed.
y number vertical speed.

inner MouseShowCursor(b)

Show hide mouse cursor.
Parameters:
Name Type Description
b boolean true or false.

inner MouseWarp(x, y)

Move mouse cursor.
Parameters:
Name Type Description
x number x coordinate.
y number y coordinate.

inner MsecTime() → {number}

Get ms timestamp.
Returns:
number - ms time.

inner OutPortByte(port, value)

write a byte value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 8-bit value to write to port.

inner OutPortLong(port, value)

write a long value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 32-bit value to write to port.

inner OutPortWord(port, value)

write a word value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 16-bit value to write to port.

inner POST(val)

Write the given value to io-port 80h to be displayed by a POST card.
Parameters:
Name Type Description
val number value to write to 0x80.

inner Print(s)

Write data to JSLOG.TXT logfile.
Parameters:
Name Type Description
s string the string to print.

inner Println(s)

Write data to JSLOG.TXT logfile with a newline.
Parameters:
Name Type Description
s string the string to print.

inner RandomInt(min, max) → {number}

get random integer between min and max (or between 0 and min if max is not provided).
Parameters:
Name Type Description
min number min
max number max
Returns:
number - an integer between min and max.

inner Read(filename) → {string}

Load the contents of a file into a string. Throws exception if loading fails.
Parameters:
Name Type Description
filename string name of file to read.
Throws:
Throws an error if reading fails.
Returns:
string - the contents of the file.

inner Require(name)

import a module.
Parameters:
Name Type Description
name string module file name.
Returns:
- the imported module.

inner SetExitKey(key)

Change the exit key from ESCAPE to any other keycode from KEY}.
Parameters:
Name Type Description
key number

inner SetFramerate(rate)

Set maximum frame rate. If Loop takes longer than '1/rate' seconds then the framerate will not be reached.
Parameters:
Name Type Description
rate number max frame rate wanted.

inner Sleep(ms)

Sleep for the given number of ms.
Parameters:
Name Type Description
ms number time to sleep.

inner StartupInfo()

print startup info with screen details.

inner Stat(name) → {StatInfo}

Get information about a file / directory.
Parameters:
Name Type Description
name string name of the file to get info for.
Throws:
Throws an error if stat fails.
Returns:
StatInfo - an info object.

inner Stop()

DOjS will exit after the current call to Loop.

inner System(cmd, flags) → {number}

Run a DOS command.
Parameters:
Name Type Description
cmd string the command to execute with its parameters.
flags SYSTEM flags indicating which subsystems to shutdown (if any) during execution of cmd.
Returns:
number - the return code of the command.

other

Members

inner ARGS

Properties:
Name Type Description
ARGS Array.<string> the command line arguments including the script name.

inner DEBUG

Properties:
Name Type Description
DEBUG boolean enable/disable Debug() output.

inner DOJS_VERSION

Properties:
Name Type Description
DOJS_VERSION number the version

inner FILE

file mode definition.
Properties:
Name Type Description
READ * open file in read mode.
WRITE * open file in write mode (truncating existing contents)
APPEND * open file in append mode.

inner IPX_AVAILABLE

Properties:
Name Type Description
IPX_AVAILABLE boolean true if networking is available.

inner KEY

keyboard input.
Properties:
Name Type Description
Code * key definitions.

inner MOUSE

event interface.
Properties:
Name Type Description
Mode.NONE * no cursor
Mode.ARROW * arrow cursor
Mode.BUSY * busy cursor
Mode.QUESTION * questionmark cursor
Mode.CURSOR_EDIT * edit cursor
Buttons * mouse button definitions
Properties
Name Type Description
LEFT *
RIGHT *
MIDDLE *

inner MOUSE_AVAILABLE

Properties:
Name Type Description
MOUSE_AVAILABLE boolean true if mouse is available.

inner REMOTE_DEBUG

Properties:
Name Type Description
REMOTE_DEBUG boolean enable/disable Debug() sending via IPX.

inner SOUND

sound input selection.
Properties:
Name Type Description
Input.MIC * use microphone input
Input.LINE * use line input
Input.CD * use CD input
Bits.BITS8 * use 8 bits
Bits.BITS16 * use 16 bits

inner SOUND_AVAILABLE

Properties:
Name Type Description
SOUND_AVAILABLE boolean true if sound is available.

inner SYSTEM

System() flags for subsystem shutdown/restart.
Properties:
Name Type Description
MOUSE * de/reinit mouse
SOUND * de/reinit sound
JOYSTICK * de/reinit joystick
KEYBOARD * de/reinit keyboard
TIMER * de/reinit timer

Methods

inner _Debug(str)

Internal debug which does not redirect to IPX if enabled.
Parameters:
Name Type Description
str string the message to print.

inner CharCode(s)

get char code.
Parameters:
Name Type Description
s string a string
Returns:
- the ASCII-code of the first character.

inner CompareKey(k, s)

compare a keycode with a character.
Parameters:
Name Type Description
k number keycode from an Event
s string a string with one char

inner Debug(str)

print javascript debug output if DEBUG is true.
Parameters:
Name Type Description
str string the message to print.

inner Gc(info)

Run garbage collector, print statistics to logfile if 'info==true'.
Parameters:
Name Type Description
info boolean true to print collection stats to logfile.

inner GetFramerate() → {number}

Current frame rate.
Returns:
number - current framerate.

inner Include(name)

include a module. The exported functions are copied into global scope.
Parameters:
Name Type Description
name string module file name.

inner InPortByte(port) → {number}

read a byte value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 8-bit value read from port.

inner InPortLong(port) → {number}

read a long value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 32-bit value read from port.

inner InPortWord(port) → {number}

read a word value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 16-bit value read from port.

inner List(dname) → {Array.<string>}

Get directory listing.
Parameters:
Name Type Description
dname string name of directory to list.
Throws:
Throws an error if listing fails.
Returns:
Array.<string> - array of entry names.

inner MemoryInfo() → {MemInfo}

Get information system memory.
Returns:
MemInfo - an info object.

inner MouseSetCursorMode(mode)

Change mode of the mouse cursor.
Parameters:
Name Type Description
mode * a mode from MOUSE.

inner MouseSetLimits(x1, y1, x2, y2)

Limit mouse movement.
Parameters:
Name Type Description
x1 number start x coordinate.
y1 number start y coordinate.
x2 number end x coordinate.
y2 number end y coordinate.

inner MouseSetSpeed(x, y)

Set mouse speed.
Parameters:
Name Type Description
x number horizontal speed.
y number vertical speed.

inner MouseShowCursor(b)

Show hide mouse cursor.
Parameters:
Name Type Description
b boolean true or false.

inner MouseWarp(x, y)

Move mouse cursor.
Parameters:
Name Type Description
x number x coordinate.
y number y coordinate.

inner MsecTime() → {number}

Get ms timestamp.
Returns:
number - ms time.

inner OutPortByte(port, value)

write a byte value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 8-bit value to write to port.

inner OutPortLong(port, value)

write a long value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 32-bit value to write to port.

inner OutPortWord(port, value)

write a word value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 16-bit value to write to port.

inner POST(val)

Write the given value to io-port 80h to be displayed by a POST card.
Parameters:
Name Type Description
val number value to write to 0x80.

inner Print(s)

Write data to JSLOG.TXT logfile.
Parameters:
Name Type Description
s string the string to print.

inner Println(s)

Write data to JSLOG.TXT logfile with a newline.
Parameters:
Name Type Description
s string the string to print.

inner RandomInt(min, max) → {number}

get random integer between min and max (or between 0 and min if max is not provided).
Parameters:
Name Type Description
min number min
max number max
Returns:
number - an integer between min and max.

inner Read(filename) → {string}

Load the contents of a file into a string. Throws exception if loading fails.
Parameters:
Name Type Description
filename string name of file to read.
Throws:
Throws an error if reading fails.
Returns:
string - the contents of the file.

inner Require(name)

import a module.
Parameters:
Name Type Description
name string module file name.
Returns:
- the imported module.

inner SetExitKey(key)

Change the exit key from ESCAPE to any other keycode from KEY}.
Parameters:
Name Type Description
key number

inner SetFramerate(rate)

Set maximum frame rate. If Loop takes longer than '1/rate' seconds then the framerate will not be reached.
Parameters:
Name Type Description
rate number max frame rate wanted.

inner Sleep(ms)

Sleep for the given number of ms.
Parameters:
Name Type Description
ms number time to sleep.

inner StartupInfo()

print startup info with screen details.

inner Stat(name) → {StatInfo}

Get information about a file / directory.
Parameters:
Name Type Description
name string name of the file to get info for.
Throws:
Throws an error if stat fails.
Returns:
StatInfo - an info object.

inner Stop()

DOjS will exit after the current call to Loop.

inner System(cmd, flags) → {number}

Run a DOS command.
Parameters:
Name Type Description
cmd string the command to execute with its parameters.
flags SYSTEM flags indicating which subsystems to shutdown (if any) during execution of cmd.
Returns:
number - the return code of the command.

other

Members

inner ARGS

Properties:
Name Type Description
ARGS Array.<string> the command line arguments including the script name.

inner DEBUG

Properties:
Name Type Description
DEBUG boolean enable/disable Debug() output.

inner DOJS_VERSION

Properties:
Name Type Description
DOJS_VERSION number the version

inner FILE

file mode definition.
Properties:
Name Type Description
READ * open file in read mode.
WRITE * open file in write mode (truncating existing contents)
APPEND * open file in append mode.

inner IPX_AVAILABLE

Properties:
Name Type Description
IPX_AVAILABLE boolean true if networking is available.

inner KEY

keyboard input.
Properties:
Name Type Description
Code * key definitions.

inner MOUSE

event interface.
Properties:
Name Type Description
Mode.NONE * no cursor
Mode.ARROW * arrow cursor
Mode.BUSY * busy cursor
Mode.QUESTION * questionmark cursor
Mode.CURSOR_EDIT * edit cursor
Buttons * mouse button definitions
Properties
Name Type Description
LEFT *
RIGHT *
MIDDLE *

inner MOUSE_AVAILABLE

Properties:
Name Type Description
MOUSE_AVAILABLE boolean true if mouse is available.

inner REMOTE_DEBUG

Properties:
Name Type Description
REMOTE_DEBUG boolean enable/disable Debug() sending via IPX.

inner SOUND

sound input selection.
Properties:
Name Type Description
Input.MIC * use microphone input
Input.LINE * use line input
Input.CD * use CD input
Bits.BITS8 * use 8 bits
Bits.BITS16 * use 16 bits

inner SOUND_AVAILABLE

Properties:
Name Type Description
SOUND_AVAILABLE boolean true if sound is available.

inner SYSTEM

System() flags for subsystem shutdown/restart.
Properties:
Name Type Description
MOUSE * de/reinit mouse
SOUND * de/reinit sound
JOYSTICK * de/reinit joystick
KEYBOARD * de/reinit keyboard
TIMER * de/reinit timer

Methods

inner _Debug(str)

Internal debug which does not redirect to IPX if enabled.
Parameters:
Name Type Description
str string the message to print.

inner CharCode(s)

get char code.
Parameters:
Name Type Description
s string a string
Returns:
- the ASCII-code of the first character.

inner CompareKey(k, s)

compare a keycode with a character.
Parameters:
Name Type Description
k number keycode from an Event
s string a string with one char

inner Debug(str)

print javascript debug output if DEBUG is true.
Parameters:
Name Type Description
str string the message to print.

inner Gc(info)

Run garbage collector, print statistics to logfile if 'info==true'.
Parameters:
Name Type Description
info boolean true to print collection stats to logfile.

inner GetFramerate() → {number}

Current frame rate.
Returns:
number - current framerate.

inner Include(name)

include a module. The exported functions are copied into global scope.
Parameters:
Name Type Description
name string module file name.

inner InPortByte(port) → {number}

read a byte value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 8-bit value read from port.

inner InPortLong(port) → {number}

read a long value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 32-bit value read from port.

inner InPortWord(port) → {number}

read a word value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 16-bit value read from port.

inner List(dname) → {Array.<string>}

Get directory listing.
Parameters:
Name Type Description
dname string name of directory to list.
Throws:
Throws an error if listing fails.
Returns:
Array.<string> - array of entry names.

inner MemoryInfo() → {MemInfo}

Get information system memory.
Returns:
MemInfo - an info object.

inner MouseSetCursorMode(mode)

Change mode of the mouse cursor.
Parameters:
Name Type Description
mode * a mode from MOUSE.

inner MouseSetLimits(x1, y1, x2, y2)

Limit mouse movement.
Parameters:
Name Type Description
x1 number start x coordinate.
y1 number start y coordinate.
x2 number end x coordinate.
y2 number end y coordinate.

inner MouseSetSpeed(x, y)

Set mouse speed.
Parameters:
Name Type Description
x number horizontal speed.
y number vertical speed.

inner MouseShowCursor(b)

Show hide mouse cursor.
Parameters:
Name Type Description
b boolean true or false.

inner MouseWarp(x, y)

Move mouse cursor.
Parameters:
Name Type Description
x number x coordinate.
y number y coordinate.

inner MsecTime() → {number}

Get ms timestamp.
Returns:
number - ms time.

inner OutPortByte(port, value)

write a byte value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 8-bit value to write to port.

inner OutPortLong(port, value)

write a long value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 32-bit value to write to port.

inner OutPortWord(port, value)

write a word value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 16-bit value to write to port.

inner POST(val)

Write the given value to io-port 80h to be displayed by a POST card.
Parameters:
Name Type Description
val number value to write to 0x80.

inner Print(s)

Write data to JSLOG.TXT logfile.
Parameters:
Name Type Description
s string the string to print.

inner Println(s)

Write data to JSLOG.TXT logfile with a newline.
Parameters:
Name Type Description
s string the string to print.

inner RandomInt(min, max) → {number}

get random integer between min and max (or between 0 and min if max is not provided).
Parameters:
Name Type Description
min number min
max number max
Returns:
number - an integer between min and max.

inner Read(filename) → {string}

Load the contents of a file into a string. Throws exception if loading fails.
Parameters:
Name Type Description
filename string name of file to read.
Throws:
Throws an error if reading fails.
Returns:
string - the contents of the file.

inner Require(name)

import a module.
Parameters:
Name Type Description
name string module file name.
Returns:
- the imported module.

inner SetExitKey(key)

Change the exit key from ESCAPE to any other keycode from KEY}.
Parameters:
Name Type Description
key number

inner SetFramerate(rate)

Set maximum frame rate. If Loop takes longer than '1/rate' seconds then the framerate will not be reached.
Parameters:
Name Type Description
rate number max frame rate wanted.

inner Sleep(ms)

Sleep for the given number of ms.
Parameters:
Name Type Description
ms number time to sleep.

inner StartupInfo()

print startup info with screen details.

inner Stat(name) → {StatInfo}

Get information about a file / directory.
Parameters:
Name Type Description
name string name of the file to get info for.
Throws:
Throws an error if stat fails.
Returns:
StatInfo - an info object.

inner Stop()

DOjS will exit after the current call to Loop.

inner System(cmd, flags) → {number}

Run a DOS command.
Parameters:
Name Type Description
cmd string the command to execute with its parameters.
flags SYSTEM flags indicating which subsystems to shutdown (if any) during execution of cmd.
Returns:
number - the return code of the command.

other

Other properties

Members

inner ARGS

Properties:
Name Type Description
ARGS Array.<string> the command line arguments including the script name.

inner DEBUG

Properties:
Name Type Description
DEBUG boolean enable/disable Debug() output.

inner DOJS_VERSION

Properties:
Name Type Description
DOJS_VERSION number the version

inner FILE

file mode definition.
Properties:
Name Type Description
READ * open file in read mode.
WRITE * open file in write mode (truncating existing contents)
APPEND * open file in append mode.

inner IPX_AVAILABLE

Properties:
Name Type Description
IPX_AVAILABLE boolean true if networking is available.

inner KEY

keyboard input.
Properties:
Name Type Description
Code * key definitions.

inner MOUSE

event interface.
Properties:
Name Type Description
Mode.NONE * no cursor
Mode.ARROW * arrow cursor
Mode.BUSY * busy cursor
Mode.QUESTION * questionmark cursor
Mode.CURSOR_EDIT * edit cursor
Buttons * mouse button definitions
Properties
Name Type Description
LEFT *
RIGHT *
MIDDLE *

inner MOUSE_AVAILABLE

Properties:
Name Type Description
MOUSE_AVAILABLE boolean true if mouse is available.

inner REMOTE_DEBUG

Properties:
Name Type Description
REMOTE_DEBUG boolean enable/disable Debug() sending via IPX.

inner SOUND

sound input selection.
Properties:
Name Type Description
Input.MIC * use microphone input
Input.LINE * use line input
Input.CD * use CD input
Bits.BITS8 * use 8 bits
Bits.BITS16 * use 16 bits

inner SOUND_AVAILABLE

Properties:
Name Type Description
SOUND_AVAILABLE boolean true if sound is available.

inner SYSTEM

System() flags for subsystem shutdown/restart.
Properties:
Name Type Description
MOUSE * de/reinit mouse
SOUND * de/reinit sound
JOYSTICK * de/reinit joystick
KEYBOARD * de/reinit keyboard
TIMER * de/reinit timer

Methods

inner _Debug(str)

Internal debug which does not redirect to IPX if enabled.
Parameters:
Name Type Description
str string the message to print.

inner CharCode(s)

get char code.
Parameters:
Name Type Description
s string a string
Returns:
- the ASCII-code of the first character.

inner CompareKey(k, s)

compare a keycode with a character.
Parameters:
Name Type Description
k number keycode from an Event
s string a string with one char

inner Debug(str)

print javascript debug output if DEBUG is true.
Parameters:
Name Type Description
str string the message to print.

inner Gc(info)

Run garbage collector, print statistics to logfile if 'info==true'.
Parameters:
Name Type Description
info boolean true to print collection stats to logfile.

inner GetFramerate() → {number}

Current frame rate.
Returns:
number - current framerate.

inner Include(name)

include a module. The exported functions are copied into global scope.
Parameters:
Name Type Description
name string module file name.

inner InPortByte(port) → {number}

read a byte value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 8-bit value read from port.

inner InPortLong(port) → {number}

read a long value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 32-bit value read from port.

inner InPortWord(port) → {number}

read a word value from a hardware io-port.
Parameters:
Name Type Description
port number port address to read from.
Returns:
number - 16-bit value read from port.

inner List(dname) → {Array.<string>}

Get directory listing.
Parameters:
Name Type Description
dname string name of directory to list.
Throws:
Throws an error if listing fails.
Returns:
Array.<string> - array of entry names.

inner MemoryInfo() → {MemInfo}

Get information system memory.
Returns:
MemInfo - an info object.

inner MouseSetCursorMode(mode)

Change mode of the mouse cursor.
Parameters:
Name Type Description
mode * a mode from MOUSE.

inner MouseSetLimits(x1, y1, x2, y2)

Limit mouse movement.
Parameters:
Name Type Description
x1 number start x coordinate.
y1 number start y coordinate.
x2 number end x coordinate.
y2 number end y coordinate.

inner MouseSetSpeed(x, y)

Set mouse speed.
Parameters:
Name Type Description
x number horizontal speed.
y number vertical speed.

inner MouseShowCursor(b)

Show hide mouse cursor.
Parameters:
Name Type Description
b boolean true or false.

inner MouseWarp(x, y)

Move mouse cursor.
Parameters:
Name Type Description
x number x coordinate.
y number y coordinate.

inner MsecTime() → {number}

Get ms timestamp.
Returns:
number - ms time.

inner OutPortByte(port, value)

write a byte value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 8-bit value to write to port.

inner OutPortLong(port, value)

write a long value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 32-bit value to write to port.

inner OutPortWord(port, value)

write a word value to a hardware io-port.
Parameters:
Name Type Description
port number port address to write to.
value number 16-bit value to write to port.

inner POST(val)

Write the given value to io-port 80h to be displayed by a POST card.
Parameters:
Name Type Description
val number value to write to 0x80.

inner Print(s)

Write data to JSLOG.TXT logfile.
Parameters:
Name Type Description
s string the string to print.

inner Println(s)

Write data to JSLOG.TXT logfile with a newline.
Parameters:
Name Type Description
s string the string to print.

inner RandomInt(min, max) → {number}

get random integer between min and max (or between 0 and min if max is not provided).
Parameters:
Name Type Description
min number min
max number max
Returns:
number - an integer between min and max.

inner Read(filename) → {string}

Load the contents of a file into a string. Throws exception if loading fails.
Parameters:
Name Type Description
filename string name of file to read.
Throws:
Throws an error if reading fails.
Returns:
string - the contents of the file.

inner Require(name)

import a module.
Parameters:
Name Type Description
name string module file name.
Returns:
- the imported module.

inner SetExitKey(key)

Change the exit key from ESCAPE to any other keycode from KEY}.
Parameters:
Name Type Description
key number

inner SetFramerate(rate)

Set maximum frame rate. If Loop takes longer than '1/rate' seconds then the framerate will not be reached.
Parameters:
Name Type Description
rate number max frame rate wanted.

inner Sleep(ms)

Sleep for the given number of ms.
Parameters:
Name Type Description
ms number time to sleep.

inner StartupInfo()

print startup info with screen details.

inner Stat(name) → {StatInfo}

Get information about a file / directory.
Parameters:
Name Type Description
name string name of the file to get info for.
Throws:
Throws an error if stat fails.
Returns:
StatInfo - an info object.

inner Stop()

DOjS will exit after the current call to Loop.

inner System(cmd, flags) → {number}

Run a DOS command.
Parameters:
Name Type Description
cmd string the command to execute with its parameters.
flags SYSTEM flags indicating which subsystems to shutdown (if any) during execution of cmd.
Returns:
number - the return code of the command.