Tasman Printer Interface for ZX Spectrum
Posted: Thu Aug 03, 2017 4:05 pm
A draft schematic is attached:
Mark
When I have sorted myself out, I will upload various photos of this interface Mark
Discussion forums for users of the Sinclair 8-bit range of computers - ZX80, ZX81, ZX Spectrum, Z88, clones...
https://www.sinclairzxworld.com/
Code: Select all
Interface I/O Port Addresses:
Function Decimal Hex Binary Used for
======== ======= === ========= =================================================
Port A 59 3B 0011 1011 Bit D0 used for the /STROBE signal to the printer
Port B 63 3F 0011 1111 Bit D0 used for the BUSY signal from the printer
Port C 123 7B 0111 1011 8 bit data byte to the printer
Control 127 7F 0111 1111 8255A control port