LIN@MIT-ML@sri-unix.UUCP (10/01/83)
From: Herb Lin <LIN @ MIT-ML> There is a program for the IBM-PC that I would like to convert for use on my Godbout 8085/8088 running MP/M. Apparently, it writes to the screen in a way that is incompatible with standard BDOS calls. How can I go about converting this program for use on my system (assuming I have access to the appropriate 5 inch floppies).
Info-IBMPC@USC-ISIB@sri-unix.UUCP (10/02/83)
From: Dick Gillmann <Info-IBMPC@USC-ISIB> BDOS is a CP/M term. On the PC under MS-DOS, there are three ways to write to the screen: MS-DOS calls, ROM BIOS calls, and direct MOVs to the regen buffers. Also, a program may work only with the monochrome display or only with the color/graphics display. If you have the source code, converting to the Godbout MP/M system would require changing the program's video I/O to conform with whatever that system requires. If you don't have source code, the only hope is to make the target system look like a PC, perhaps by installing an IBM display driver card and providing DOS and BIOS calls functionally compatible with the PC. -------