From d35c0b338cdf167e258960a1f736b86014fe2087 Mon Sep 17 00:00:00 2001 From: mahjongg2 Date: Sun, 18 Oct 2020 15:41:38 +0200 Subject: [PATCH] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index db33874..e904086 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,6 @@ # ZX81plus38 Mij latest ZX81 clone without ULA built from discrete pin through hole components -It features a PCB with the exact same size as a normal ZX81, and features drill holes and connectors at the same locations (with the 3.5mm power jack replaced +It features a PCB with the exact same size as a normal ZX81, (142 x 100mm) and features drill holes and connectors at the same locations (with the 3.5mm power jack replaced with a modern Type B power jack, so you can power this ZX81 clone with a simple USB power supply, and with the RF output modulator replaced with a composite video output connector, that produces a video signal that modern composire monitors should be able to accept (yes with a real front porch signal). There is no ULA needed for this clone, as all the ULA logic is replicated with modern DIP compatible logic IC's. The software (ZX-81 BASIC) fits into a cheap OTP