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On the Sinclair ZX-81 you could substitute the ROM chip with another one with Forth in in instead of Sinclair Basic. IIRC it was sold by third parties not offic
by ghostDancer 4y ago
On the Sinclair ZX-81 you could substitute the ROM chip with another one with Forth in in instead of Sinclair Basic. IIRC it was sold by third parties not official one.
- pjmlp 4y agoYes, Your Sinclair and Crash magazines used to have ads for it.