10-panel, 20-page accordion reference card to ZX81/TS 1000. Covers graphics, BASIC commands and functions, special commands and operators, screen layout, all codes from 0 to 255, selected ROM calls, tips on using FOR-NEXT and IF-THEN statements, ZX80 and ZX81 memory maps, Z80 timing charts, condition code chart, hex/decimal conversion, and Z80 op codes including decimal equivalents for peek and poke.
ZX81 Reference Card
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