|Operating system||DOS, Windows|
|Website||Archive of official webpage|
Turbo Assembler (TASM) is an assembler package developed by Borland which runs on and produces code for 16- or 32-bit x86 MS-DOS or Microsoft Windows. It can be used with Borland's high-level language compilers, such as Turbo Pascal, Turbo Basic, Turbo C and Turbo C++. The Turbo Assembler package is bundled with the Turbo Linker, and is interoperable with the Turbo Debugger. TASM can assemble MASM source using its MASM mode and has an ideal mode with a few enhancements. Object-oriented programming has been supported since version 3.0. The latest version of Turbo Assembler is 5.0, with files dated 1996 and patches up to 2002; it is still supplied with Delphi and C++Builder.
The Borland Turbo Assembler 5.0 package contains three 3.5-inch diskettes and three small books. For learning how to write in assembly language using Borland Turbo Assembler 5.0 further resources such as knowledge of MS-DOS interrupts should be consulted.
An example of Borland Turbo Assembly Language that prints 'Merry Christmas!':
p8086 model small dataseg mymessage DB 'Merry Christmas!',0 codeseg startupcode mov bx, SEG mymessage mov es, bx mov si, OFFSET mymessage mov bx, 0 fetchcharacter: mov DL, es:[si+bx] cmp DL, 0 je ending mov ah, 2 push bx push si push es int 21h pop es pop si pop bx inc bx jmp fetchcharacter ending: mov ah, 04ch mov al, 0 int 21h end
Lazy Assembler is a freeware assembler not associated with Borland which is compatible with TASM ideal mode but with support for newer instructions not supported by TASM: MMX, SSE, SSE2, SSE3 (PNI), SSE4 (MNI), 3DNow!Pro. It was last updated to version 0.56 on 6 August 2007; the website is no longer available, but the program is available for download.
- Swan, Tom (1989). Mastering Turbo Assembler. Carmel, Indiana: Howard W. Sams & Company, Hayden Books division of Macmillan Computer Publishing. ISBN 0-672-48435-8. 2nd Edition, 1995 ISBN 0-672-30526-7.
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