From 549d3373541d484b19b03840b0d93a5545feb7e8 Mon Sep 17 00:00:00 2001 From: n loewen Date: Sun, 29 Oct 2023 18:04:01 -0700 Subject: [PATCH] 2023-10-23 - Create note --- 2023-10-23.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/2023-10-23.md b/2023-10-23.md index c4c054a..1fd224b 100644 --- a/2023-10-23.md +++ b/2023-10-23.md @@ -1,5 +1,26 @@ # 2023-10-23 — Dev notes +Without really reviewing older notes: + +- I'm not sure if I'm keen on the IO setup described in the current version of the re-architecting architecture docs +- I had some ideas about extending to 16 bits? + - Add an "H" register, to be used as the high byte, in an "HA" register pair? +- Need a M/Q register? (if providing MUL and DIV) + - The 6502 doesn't have 'em... https://www.llx.com/Neil/a2/mult.html + - Nor the Z80... https://tutorials.eeems.ca/Z80ASM/part4.htm + +- https://www.reddit.com/r/beneater/comments/tcb76d/unpopular_opinion_rca1802_is_the_best_beginners/ + - TODO: read this more and reconsider 1802-informed IO + +Some more RCA 1802 links... + +- https://www.sunrise-ev.com/1802.htm +- https://groups.io/g/cosmacelf +- http://www.cosmacelf.com +- https://www.reddit.com/r/retrocomputing/comments/ufz8g2/the_rca_1802_cosmac_the_architecture_that_came/ +- http://www.visual6502.org/images/pages/RCA_1802.html +- http://www.retrotechnology.com/memship/1802_spacecraft.html + ## Recent links ### DCPU-16