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Time Proofing
Making obsolete a dirty word
Sinclair Spectrum (mine)
+D disk sector viewer
8-Bit sampler hardware
AY-3-8912 sound interface
Interface 1 serial port tracer
Microdrive replacement using Flash memory
Implementation details
SDMD - Design 1
SDMD - Design 2
PWM sound effects
PWM - Version 1
RS232 snapshot loader
Sampler software
Segmented memory on Z80
Sinclair Spectrum (others)
Z80 Stuff
Z80 Instruction Timings
Z80 Opcodes (Sinclair)
Time Proofing
AY-3-8912 sound interface
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