Tasm 1.4

mov ah, 01h ; DOS input char (echo) int 21h mov char, al

Using TLINK.EXE to turn that object file into an executable ( .EXE ). tasm 1.4

TASM is an assembler that translates assembly language into machine code for 16-bit and 32-bit x86 MS-DOS and Windows environments. It was famously faster than its competitors at the time, particularly Microsoft's Macro Assembler (MASM), thanks to its efficient "Ideal Mode" and superior speed during the compilation process. Its primary uses included: mov ah, 01h ; DOS input char (echo)