VRC2 and VRC4: Revision history

23 December 2021

• curprev 07:5607:56, 23 December 2021‎ NewRisingSun talk contribs‎ 11,551 bytes −39‎ Undo revision 18997 by Ben Boldt (talk) Tag: Undo

22 December 2021

• curprev 00:4600:46, 22 December 2021‎ Ben Boldt talk contribs‎ m 11,590 bytes +39‎ Added scanline IRQ category.

10 November 2021

• curprev 21:0721:07, 10 November 2021‎ NewRisingSun talk contribs‎ 11,551 bytes +217‎ Add WRAM Control bit

12 July 2019

• curprev 17:2917:29, 12 July 2019‎ Lidnariq talk contribs‎ 11,334 bytes +211‎ →‎Registers: add extsel, change address for layout cfg

26 January 2019

• curprev 16:3116:31, 26 January 2019‎ Ben Boldt talk contribs‎ 11,123 bytes +20‎ Added pinout link to infobox.

1 June 2018

• curprev 05:2705:27, 1 June 2018‎ NovaSquirrel talk contribs‎ 11,103 bytes +49‎ Creating the single screen mirroring category

11 March 2018

• curprev 04:1504:15, 11 March 2018‎ NewRisingSun talk contribs‎ m 11,054 bytes +44‎ Category:NES 2.0 mappers with submappers

9 December 2017

• curprev 18:3418:34, 9 December 2017‎ Ben Boldt talk contribs‎ 11,010 bytes +295‎ Added some clarification. I originally had trouble understanding that the a/b/c/d/e/f were not variations of the VRC chip itself.

20 June 2017

• curprev 20:1220:12, 20 June 2017‎ Rainwarrior talk contribs‎ 10,715 bytes 0‎ →‎Variations: further correction of the ordering of lines, missed this when merging the tables from other articles
• curprev 20:0620:06, 20 June 2017‎ Rainwarrior talk contribs‎ 10,715 bytes 0‎ →‎Variations: forgot to rename the columns A2/A1

3 May 2017

• curprev 00:4800:48, 3 May 2017‎ Lidnariq talk contribs‎ m 10,715 bytes 0‎ →‎Microwire interface ($6000-$6FFF) VRC2: fix carried-forward typo
• curprev 00:4300:43, 3 May 2017‎ Lidnariq talk contribs‎ m 10,715 bytes −56‎ remove links to pages that redirect to this page

29 April 2017

• curprev 04:3904:39, 29 April 2017‎ Rainwarrior talk contribs‎ m 10,771 bytes −4‎ →‎Variations: revising wording
• curprev 04:2804:28, 29 April 2017‎ Rainwarrior talk contribs‎ 10,775 bytes +588‎ →‎Variations: iNES mapper explanation
• curprev 04:1604:16, 29 April 2017‎ Rainwarrior talk contribs‎ m 10,187 bytes −3‎ "or" unnecessary
• curprev 04:1004:10, 29 April 2017‎ Rainwarrior talk contribs‎ 10,190 bytes +323‎ putting the example games in a table, indicating VRC version

28 April 2017

• curprev 23:0723:07, 28 April 2017‎ Lidnariq talk contribs‎ 9,867 bytes +5‎ →‎IRQ Control ($F00x): rename § to explicitly call out IRQ as VRC4-only
• curprev 21:5021:50, 28 April 2017‎ AWJ talk contribs‎ 9,862 bytes +83‎ Rescue orphaned pinout node
• curprev 20:5420:54, 28 April 2017‎ Lidnariq talk contribs‎ 9,779 bytes −155‎ undo 13687: VRC2 supports 256 KiB of PRG, see Ganbare Goemon Gaiden (1). It's just that all other PCBs only supported 128 KiB mask ROMs and so the pin wasn't brought out from the VRC2.
• curprev 20:4520:45, 28 April 2017‎ Rainwarrior talk contribs‎ m 9,934 bytes +9‎ →‎CHR Select 2…7 ($C000-$EFFF): er, maybe rowspan 2 is more appropriate
• curprev 20:4420:44, 28 April 2017‎ Rainwarrior talk contribs‎ m 9,925 bytes 0‎ →‎CHR Select 2…7 ($C000-$EFFF): colspan=3
• curprev 20:3420:34, 28 April 2017‎ Rainwarrior talk contribs‎ m 9,925 bytes +72‎ →‎CHR Select 0 low($B000), high($B001): VRC2a note also applies here
• curprev 20:3420:34, 28 April 2017‎ Rainwarrior talk contribs‎ m 9,853 bytes +65‎ →‎CHR Select 0 low($B000), high($B001): VRC2 only 4 bits
• curprev 20:3320:33, 28 April 2017‎ Rainwarrior talk contribs‎ 9,788 bytes +540‎ additional information from disch notes: VRC2 only has 4-bit PRG select, example games
• curprev 20:2520:25, 28 April 2017‎ Rainwarrior talk contribs‎ m 9,248 bytes −9‎ →‎Variations: not sure what "unlicensed" means, might not be the correct way to list it here
• curprev 20:2420:24, 28 April 2017‎ Rainwarrior talk contribs‎ 9,257 bytes +205‎ →‎Variations: collecting the PCB numbers
• curprev 20:1420:14, 28 April 2017‎ Rainwarrior talk contribs‎ m 9,052 bytes +191‎ rescuing orphaned note about the meaning of VRC
• curprev 20:1020:10, 28 April 2017‎ Rainwarrior talk contribs‎ 8,861 bytes +8,861‎ merging VRC2 and VRC4