Universal Stamp Collection
Customized version of Universal Inventory File. 16K.
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Timex/Sinclair 1000
ZX81/TS1000 Maintenance Agreement
Full repair service and maintenance contracts covering full service and all parts for the Sinclair ZX81 and T/S 1000 and the ZX Printer.
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ZXPRESS
Integer BASIC compiler. 208 regular variables, 26 dimensioned variables. Compiled code can be stored in REM or 2000h-3FFFh segment. Source code can be relocated anywhere; position of compile code can be selected, allowing for longer programs compiled in pieces.
Bidirectional Dictionary
2 lists: decimal op code to assembler mnemonic and vice versa.
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PEEK, BASE, PPU Utilities
PEEK displays 100 memory locations in decimal (Basic). BASE gives conversions of octal, decimal, binary, hex, hibyte/lobyte (Basic). PPU is a PEEK and POKE utility, a fully documented monitor (Basic and machine code).
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Screen layout programming chart
Features screen chart, programmable character grids and sprite grids. 50 charts per pad 8 1/2×11.
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Sunken Treasure
You have just discovered the wreck of the ocean liner S.S. Crystal Princess. Can you brave the dangers within her hull and salvage the valuables still inside her? 16K.