Basic Data Compiler Linker Assembler Editor Debugger Version Code type DOS 2 Spec reals Comp steps Microsoft MS MASM no optional 3.3 EXE yes 8087,BCD 2 Digital Research DRI included no included 3.3 EXE no 8087,BCD 2 Borland no * yes * 3.01 COM yes opt 87,BCD 1 Prospero Prospero MASM no included 2.1 EXE no 8087 2 NCI * optional yes optional IV.14 p-code * ?* 1 Pecan * optional yes optional IV.2.1 p-code * 8087,BCD 1 Data Types Compiler Const bases Absolute Byte Word Int size Microsoft 2..36 yes yes yes 16,32 Digital Research 16 yes yes yes 16,32 Borland 16 yes yes no 16 Prospero 16 no no no 32,16 NCI - no no no 16 Pecan - no no no 16 Miscellaneous Compiler Proc parms ELSE in case DOS call other ints chaining overlays modules units command line cond comp Microsoft yes yes yes no via DOS yes yes yes no yes Digital Research yes yes yes no yes yes yes no yes no Borland no yes yes yes yes yes no no yes no Prospero yes yes yes no yes yes yes no yes no NCI yes no NA NA yes yes yes yes NA yes Pecan no no NA NA yes yes yes yes NA yes