CPU variants: Revision history

7 April 2024

• curprev 14:2814:28, 7 April 2024‎ Lidnariq talk contribs‎ 7,297 bytes −225‎ eugene-s tells me that all four revisions of the 6561xx-2s as well as 6561F-1 have the correct duty cycles, and that revision F is oldest, so it's unlikely that QFP80 6561 duties were ever wrong

22 September 2023

• curprev 06:3306:33, 22 September 2023‎ Fiskbit talk contribs‎ 7,522 bytes +33‎ Adds new ceramic RP2A03 image.

14 May 2023

• curprev 07:3907:39, 14 May 2023‎ Forple talk contribs‎ m 7,489 bytes −1‎ There is no T in "1818N". Believe me, I got literary professionals to check that one out for me to make sure I'm right with this edit.
• curprev 07:1107:11, 14 May 2023‎ Forple talk contribs‎ 7,490 bytes −12‎ NTSC 1818 Exists. It's an 1818N.

6 May 2023

• curprev 08:2108:21, 6 May 2023‎ Forple talk contribs‎ m 7,502 bytes +1‎ wiki formatting is very hard, it seems.
• curprev 08:2008:20, 6 May 2023‎ Forple talk contribs‎ 7,501 bytes +373‎ Got some odd famiclones and some weird chips inside. Documenting it here.

15 April 2023

• curprev 01:1801:18, 15 April 2023‎ Lidnariq talk contribs‎ 7,128 bytes +47‎ 2a03e we know is /rdy now

6 April 2023

• curprev 05:2505:25, 6 April 2023‎ Loglow talk contribs‎ 7,081 bytes +54‎ Added UA6527PQ and photo

22 March 2023

• curprev 05:3105:31, 22 March 2023‎ Forple talk contribs‎ 7,027 bytes −18‎ Update TA-03N Pin 30 Info

10 March 2023

• curprev 06:3806:38, 10 March 2023‎ Loglow talk contribs‎ 7,045 bytes +585‎ Added several unknown brand and SENiTON chips with pictures

8 March 2023

• curprev 07:1607:16, 8 March 2023‎ Forple talk contribs‎ 6,460 bytes +93‎ TA-03N has some oddities with its Illegal Opcodes. More research into it would likely be necessary.

4 March 2023

• curprev 05:1705:17, 4 March 2023‎ Forple talk contribs‎ 6,367 bytes +137‎ Add TA03N Underside image

3 March 2023

• curprev 19:3219:32, 3 March 2023‎ Forple talk contribs‎ 6,230 bytes +9‎ Update TA-03N information; most TA-0x series chips are die mask clones

26 February 2023

• curprev 01:4001:40, 26 February 2023‎ Lidnariq talk contribs‎ 6,221 bytes +75‎ eugene S in the discord described pulse duties for these two

13 February 2023

• curprev 11:4611:46, 13 February 2023‎ Fiskbit talk contribs‎ 6,146 bytes +248‎ Notes that DMC status bit is cleared 1 APU cycle late on UA6527P, TA-03NP1, (T)1818P, UM6561-2. Other clones untested.
• curprev 01:1401:14, 13 February 2023‎ Jeffythedragonslayer talk contribs‎ m 5,898 bytes 0‎ capitalization

11 February 2023

• curprev 05:2505:25, 11 February 2023‎ Fiskbit talk contribs‎ 5,898 bytes +358‎ UM6561xx-2 updates. F is suspected to be the first revision. Eugene reports F has correct duties. Notes my findings regarding AF DMC and illegal instruction behavior.

24 December 2022

• curprev 05:2005:20, 24 December 2022‎ Fiskbit talk contribs‎ m 5,540 bytes 0‎ Fixes formatting.

23 December 2022

• curprev 21:0121:01, 23 December 2022‎ Lidnariq talk contribs‎ 5,540 bytes +165‎ 6540 apparently not so much a PAL clone

28 September 2022

• curprev 18:4118:41, 28 September 2022‎ Lidnariq talk contribs‎ 5,375 bytes +91‎ UA6527P clock divider
• curprev 00:3900:39, 28 September 2022‎ Loglow talk contribs‎ m 5,284 bytes +12‎ adjusted sizes and formatting
• curprev 00:3600:36, 28 September 2022‎ Loglow talk contribs‎ 5,272 bytes +36‎ added additional photo of UA6540
• curprev 00:3100:31, 28 September 2022‎ Loglow talk contribs‎ 5,236 bytes +38‎ added additional photo of RP2A07A
• curprev 00:2900:29, 28 September 2022‎ Loglow talk contribs‎ m 5,198 bytes +6‎ made size of MG-N-501 photo consistent
• curprev 00:2800:28, 28 September 2022‎ Loglow talk contribs‎ 5,192 bytes +37‎ added additional photo of RP2A07

27 September 2022

• curprev 20:4120:41, 27 September 2022‎ Lidnariq talk contribs‎ 5,155 bytes +18‎ more

26 September 2022

• curprev 08:1208:12, 26 September 2022‎ Fiskbit talk contribs‎ 5,137 bytes −9‎ Confirmed that later 2A03G's have an additional DMC bug (introduced sometime 1989-1991). (Thanks to Lockster for running dmc_dma_implicit_stop_test on multiple CPUs in the same system.)

17 September 2022

• curprev 04:5904:59, 17 September 2022‎ Lidnariq talk contribs‎ 5,146 bytes +63‎ more
• curprev 02:0702:07, 17 September 2022‎ Lidnariq talk contribs‎ 5,083 bytes +90‎ more
• curprev 01:3301:33, 17 September 2022‎ Lidnariq talk contribs‎ m 4,993 bytes +79‎ and more
• curprev 01:2301:23, 17 September 2022‎ Lidnariq talk contribs‎ 4,914 bytes +37‎ more

16 September 2022

• curprev 21:4721:47, 16 September 2022‎ Lidnariq talk contribs‎ 4,877 bytes +173‎ add more pictures

15 September 2022

• curprev 03:5803:58, 15 September 2022‎ Lidnariq talk contribs‎ 4,704 bytes +342‎ krzysiobal's CPUs

14 September 2022

• curprev 05:3305:33, 14 September 2022‎ Lidnariq talk contribs‎ 4,362 bytes +87‎ add more package pictures

13 September 2022

• curprev 02:1502:15, 13 September 2022‎ Lidnariq talk contribs‎ 4,275 bytes +235‎ four more package pictures
• curprev 02:1002:10, 13 September 2022‎ Lidnariq talk contribs‎ 4,040 bytes +46‎ mention 2A03 difference even though it's also on CPU power up state
• curprev 01:5701:57, 13 September 2022‎ Fiskbit talk contribs‎ 3,994 bytes +130‎ Adds links. Improves pin 30 and DMC DMA notes.

12 September 2022

• curprev 22:5822:58, 12 September 2022‎ Lidnariq talk contribs‎ 3,864 bytes +160‎ a bunch of famiclone CPU package pictures
• curprev 21:0021:00, 12 September 2022‎ Lidnariq talk contribs‎ 3,704 bytes +46‎ add "6005B" CPU

16 July 2022

• curprev 22:0222:02, 16 July 2022‎ Lidnariq talk contribs‎ m 3,658 bytes +4‎ braino
• curprev 22:0022:00, 16 July 2022‎ Lidnariq talk contribs‎ 3,654 bytes +93‎ add decap identifier

15 April 2022

• curprev 21:1521:15, 15 April 2022‎ Lidnariq talk contribs‎ 3,561 bytes +165‎ the decimal-enabled famiclone?

12 April 2022

• curprev 20:0120:01, 12 April 2022‎ Lidnariq talk contribs‎ m 3,396 bytes 0‎ Lidnariq moved page User:Lidnariq/Known CPU revisions to CPU variants: Too important to be under my namespace

9 April 2022

• curprev 20:1420:14, 9 April 2022‎ Quietust talk contribs‎ m 3,396 bytes +20‎ No edit summary
• curprev 20:1220:12, 9 April 2022‎ Quietust talk contribs‎ 3,376 bytes +21‎ 2A07's pin 30 goes to the 6502's /RDY input (NORed with the one that comes from DMA), and it's suspected that the 2A03E might be the same

21 January 2022

• curprev 04:3104:31, 21 January 2022‎ Lidnariq talk contribs‎ 3,355 bytes +37‎ No edit summary

14 December 2021

• curprev 04:4604:46, 14 December 2021‎ Lidnariq talk contribs‎ 3,318 bytes +36‎ No edit summary
• curprev 04:4504:45, 14 December 2021‎ Lidnariq talk contribs‎ 3,282 bytes +71‎ 2A03E now has any known differences

3 October 2020

• curprev 08:2708:27, 3 October 2020‎ Krzysiobal talk contribs‎ 3,211 bytes +102‎ No edit summary

1 October 2020

• curprev 17:5617:56, 1 October 2020‎ Lidnariq talk contribs‎ 3,109 bytes +146‎ add 2A03/2A07 duty cycles