Volume: 2
Issue: 1
Articles
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16K RAM Approved; New InterfaceZX80 Federal Communications Commission (FCC) approved Sinclair’s 16K RAM for the U.S. market. C.A.I. Instruments has completed work on three interfaces.
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New Product Updates (Syntax v2 n1)ZX80 Prestodigitizer requires 8K ROM; Cognivox requires 16K RAM; MicroPeripheral modem held up.
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Light Control InterfaceZX80 Interface Technology will adapt “The Microcommander” to the Sinclair ZX80.
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Bubble Sort RoutineZX80 Type-in program Sorts numbers into ascending order.
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Basic Salary SchedulingZX80 Type-in program Calculate salaries that increment on a straight-line basis.
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Chart Your BiorhythmsZX80 Type-in program Program for 8K ROM machines graphically displays your emotional, intellectual and physical cycles.
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Computer ModelsZX80 Type-in program Programming tutorial on calculating buinsess models wide variety of cases.
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Memory WindowZX80 Type-in program Display 16 consecutive bytes of memory in hex, decimal and character format.
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How Many Bytes to the Line?ZX80 Type-in program Subroutine determines the exact number of bytes used for each line of program instruction as well as an entire program.
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Interface to the Real WorldZX80 MicroAce Hardware project Add an 8-bit latch to the ZX80 or MicroAce, mapped to 3000H (12288). Includes schematic.
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Machine CompatibilityZX80 A beginner wrote to ask: All of the following computers have the designation 80 โ ZX80, Z80, Z80A, TRS-80. Are programs or software usable between each of these computers? Also there is a Z80 Softcard to apply Z80 programs to the Apple II. Is it reversible?
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REM StatementsZX80 Tutorial REM statements can be useful tools for beginning programmers, REM stands for REMark. You can also think of it as REMinder or REMember. The computer does not execute REM statements. It will ignore anything you write after REM in any line. Use REM to write notes to yourself about the functions of various parts of…
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Lights of the CityZX80 Type-in program This program uses the 8K ROM’s graphics and animation capabilities to generate an ever-changing video pattern like a growing city.
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Dear EditorLetters asking about Canadian suppliers; problems entering programs; interference on TVs; tape recorders.