| [These SYNTAX readers would like to contact ...] | Readers from Louisiana and Nebraska. | |
| 8K ROM Monitor Routines | Continuation of article from prior issue examining the 8K ROM. | Sinclair ZX81 |
| A Night in Las Vegas | Review of the cassette from Lamo-Lem. | Sinclair ZX80 |
| A Tool to Help Debug Programs | To determine what occurs during a loop portion of a malfuntioning program, use a PRINT statement called a flag. | Sinclair ZX80, Sinclair ZX81 |
| Annotated 4K ROM Listing - Systems Variables | Listing tells you the values of all major variables used in the 4K ROM. | Sinclair ZX80 |
| Beginners: User-Friendly Programs | Some easy programming methods to write user-friendly programs for either 4K or 8K ROM programs. | Sinclair ZX80, Sinclair ZX81 |
| Bingo Number Generator | Generates numbers with their preceding letters and prints them at 8x their normal size at the top of the screen. | Sinclair ZX80, Type-in program |
| CAI Peripherals Update | CAI Instruments will ship their first Widgets the week of Sept. 21. | |
| Changes to September Budget Program | User interface changes to the program. | Sinclair ZX80, Type-in program |
| Changes to Super ZX80 Invasion | Add new levels of difficulty. | Sinclair ZX80, Type-in program |
| Crash Course in Microcomputers | Review of the book by Louis Frenzel. | |
| Dear Editor | Letters about magazine index; resistor values; ordering from England; errors in books; TV interference; bad connections; memory problems; replacement parts. | |
| Gradebook for Teachers | Program helps teachers average grades at the end of the grading period. | Sinclair ZX80, Type-in program |
| MicroAce-ZX80 Component Equivalence | Chart showing part numbers and designations between the two computers. | MicroAce, Sinclair ZX80 |
| Rounding off Routine | The 8K ROM’s floating point decimal is great, but sometimes you don’t need 9 decimal places. | Sinclair ZX81, Type-in program |
| Sinclair Printer by 1982 | Sinclair engineers will redesign the printer to meet US requirements at the end of September, 1981. | |
| Sinclair Product Updates | Sinclair’s ZX81 computer reaches the US on Oct. 7, 1981. | Sinclair ZX81 |
| Sort Routine | This routine can sort 20 words of 20 characters in about 8 seconds. | Sinclair ZX81, Type-in program |
| Syntax Error | Two errors in Machine Code Print Routine. | Sinclair ZX80, Sinclair ZX81 |
| Trouble-shooting Your MicroAce | You’ve put together your MicroAce and examined the PC board solder connections — everything looks good. Power up — you get a white screen and no cursor. What do you do now? Here is a chart compiled by removing each IC chip from a working MicroAce and observing the effect. It may provide you with | MicroAce |
