*Rex Pedigo called to correct ZX80 Checkbook (July 81) instructions. Type GO TO 100, not GO TO 10, to run again.
*Dann Veldkamp of Ames, IA, noted that the address we calculated in BEGINNERS’ LOADING ML PROGRAMS (Aug.81,p.11) was 17397, not 17399. The program works anyway, since the computer ignores the extra 2 bytes.
*Gene Richardson found an error in Al Salt‘s BUILD ADDITIONAL RAM (Mar 81,p.3). The 2nd paragraph, 3rd line, says “A11, A12, and A13”; it should be “A10, A11, and A12”, as on schematic Figure 3.
Will Hiatt submitted the following changes to last month’s IMPROVING DISPLAY program for 16K RAM:
140 LET Q=PEEK(16396)+PEEK(16397)*246+375
365 IF D=45 THEN LET P=QLine 140 adds flexibility to the display. Line 365 adds direction mode command H. H lets the cursor hold position, so you don’t have to move beyond the display.