![]() Use the /m switch in the command line.Specify an array and use VARPTR to locate the start of the array before every access. ![]() There are three recommended ways to set aside space for assembly language routines: Memory space must be set aside for an assembly language (or machine code) subroutine before it can be loaded. The CALL statement is compatible with more languages than the USR function call, produces more readable source code, and can pass multiple arguments. However, the CALL statement is recommended for interfacing machine language programs with GW-BASIC. The USR function allows assembly language subroutines to be called in the same way GW-BASIC intrinsic functions are called. GW-BASIC lets you interface with assembly language subroutines by using the USR function and the CALL statement. ![]() This appendix is written primarily for users experienced in assembly language programming. GW-BASIC User's Guide - Appendix D Appendix DĪssembly Language (Machine Code) Subroutines
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