Volume: 2
Issue: 4
Articles
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Beginner's Column - Error Codes and Debugging ProgramsZX80 Tutorial One of the ZX80/MicroAce’s nicest features keeps you from entering lines with syntactic errors into a program.
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Computer Number Systems IIIZX80 Type-in program Article looks at octal numbers.
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Chest of Classics by Lamo-LemZX80 Software review Review of the programs from Lamo-Lem.
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[These readers would like to contact others...]Readers in Illinois and Ontario.
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Dear EditorMicroAce Letters about interference; saving bytes; additional RAM; static electricity; MicroAce issues.
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Bar GraphicsZX80 MicroAce Type-in program This program, written for a 2K MicroAce, draws bar charts on a white background with dark defined lines and a graphpaper-like effect behind the bars. It will choose 10 (0 to 10) random numbers to graph, or you can select them.
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SoftSync SoftwareZX80 Softsync offers ZX80 Invasion.
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Hardware NotesZX80 Advice on DIP headers; edge connectors; video monitors; reset switch; cassette monitoring.
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Hog Heaven - ROM Entry PointsZX80 Reference Complete list of global subroutine calls for the 4K ROM’s eigh software modules.
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[MicroAce Owners...]MicroAce Sinclair’s owner’s manual is available by mail from Sinclair Research.
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Using the 8K ROM, 16K RAM on MicroAcesMicroAce According to Andy Fisher of MicroAce, Sinclair’s 8K ROM and 16K RAM pack are completely compatible with MicroAce machines with minor modifications.
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Sinclair Announces ZX81 ComputerZX81 TS 1000 Sinclair Research unveiled a new computer at a press conference in England in mid-March. The ZX81 comes with the same 8K ROM that will be available for ZX80s and 1K RAM and sells for 30% less than the original ZX80.
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8K ROM Printer CommandsZX80 LLIST — Lists to printer instead of screen, LPRINT — Directs output to printer instead of screen, COPY — Outputs screen display to printer.
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New Product UpdatesZX80 Updates on the 8K ROM; printer.
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Sinclair 8K ROM SoftwareZX80 ZX81 Sinclair now offers cassette programs for the ZX80 and ZX81 with 8K ROM.