Epson Equity II Product Support Bulletin(s) - Page 51
Mathblas.com Installation - large
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MATHBLAS.COM INSTALLATION Math Blaster is an educational game produced by Davidson and Associates in Torrance Calif. It works well with the entire Equity series except the Equity 1 running color mode. The large numbers that Math Blaster places on the screen are done in graphics mode. These numbers appear as square blocks of garble on the Equity 1 color screen. Unlike the GWBASIC used on the Equity II and III, GWBASIC for the Equity 1 does not initialize certain memory areas. In particular, area 510 of segment 0 is not initialized (this area is used by BASIC to hold the default data segment value). Tests have been run on ROM BIOS versions 2.1i, 2.20 and 2.21. The following programs have proved to be an effective fix for cases tested so far: HARDISK.BAS - For hard disk versions: 10 PRINT)" This patch will not work with config.sys files" 20 DEF SEG =0 30 POKE &H510,&HC9 40 POKE &H511,&H14 50 RUN "color FLOPPY.BAS - For Floppy disk versions. 10 DEF SEG =0 20 PRINT "this is a fix for the floppy disk system" 30 PRINT "make sure no CONFIG.sys file is active" 40 PRINT "try this version on floppy systems" 50 POKE &H510,&HC3 60 POKE &H511,&H14 70 RUN "color CONFIG.SYS and AUTOEXEC.BAT move things around in memory. These patch programs will not work if either of these two programs are activated on boot up. Please copy the appropriate program to the disk that contains your Math Blaster program. Run these programs and they will run the Math Blaster program for you. Page 5 of 9