From a983746b8506d2f5216a9c945341789d7bd9e281 Mon Sep 17 00:00:00 2001 From: "Curt J. Sampson" Date: Wed, 20 May 2020 10:03:13 +0900 Subject: [PATCH] FIXUP SBC/README: Correct RAM/ROM enable descriptions. --- RC6502 Apple 1 SBC/README.md | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/RC6502 Apple 1 SBC/README.md b/RC6502 Apple 1 SBC/README.md index 0da651a..be8e540 100644 --- a/RC6502 Apple 1 SBC/README.md +++ b/RC6502 Apple 1 SBC/README.md @@ -95,11 +95,13 @@ box around the pins that enable. - Bottom pair shorted: Disable PIA. Connects `CS1` to ground. - `RAM_EN` - - Left pair shorted: Enable RAM. Connects RAM `C̅S̅`/`O̅E̅` to ground. + - Left pair shorted: Enable RAM. Connects RAM `C̅S̅`/`O̅E̅` to address + decoding logic (`CS_RAM`). - Right pair shorted: Disable RAM. Connects RAM `C̅S̅`/`O̅E̅` to Vcc. - `ROM_EN` - - Top pair shorted: Enable ROM. Connects ROM `C̅E̅`/`O̅E̅` to ground. + - Top pair shorted: Enable ROM. Connects ROM `C̅E̅`/`O̅E̅` to address + decoding logic (`CS_ROM`). - Bottom pair shorted: Enable ROM. Connects ROM `C̅E̅`/`O̅E̅` to Vcc. - `A14_W`, `A13_W`