The Complete Timex TS1000/Sinclair ZX81 ROM Disassembly Publisher: Melbourne House Author(s): Ian Logan; Frank O'Hara Date: 1982 Read the book Includes Part A: 0000H-0F54H & Part B: 0F55H – 1DFFH. Tags Books Melbourne House Publishers TS 1000 ZX81 Zebra Systems People Frank O'Hara, Ian Logan
