MMC5: Revision history

25 November 2018

• curprev 02:4802:48, 25 November 2018‎ Ben Boldt talk contribs‎ 27,494 bytes +1,412‎ →‎PRG Bankswitching: I have made improvements based on feedback in the forum.

23 November 2018

• curprev 19:5819:58, 23 November 2018‎ Ben Boldt talk contribs‎ m 26,082 bytes +58‎ →‎PRG Bankswitching: Made table prettier.
• curprev 19:0519:05, 23 November 2018‎ Ben Boldt talk contribs‎ 26,024 bytes +721‎ →‎PRG Bankswitching: Details about how the bits of the bankswitch registers physically correspond to PRG address bits.
• curprev 18:4018:40, 23 November 2018‎ Ben Boldt talk contribs‎ 25,303 bytes +126‎ →‎PRG Bankswitching: Change order of modes, default/least complicated mode 3 first and then progressing to mode 0 now. Also noted for "Ignored" which register covers it.
• curprev 18:3218:32, 23 November 2018‎ Ben Boldt talk contribs‎ m 25,177 bytes 0‎ →‎PRG Bankswitching
• curprev 18:3118:31, 23 November 2018‎ Ben Boldt talk contribs‎ 25,177 bytes +1,084‎ →‎PRG Bankswitching: Renamed and added table

21 November 2018

• curprev 17:2117:21, 21 November 2018‎ Ben Boldt talk contribs‎ 24,093 bytes +224‎ →‎Overview: Added info about system reset detection.

15 November 2018

• curprev 22:5022:50, 15 November 2018‎ Quietust talk contribs‎ m 23,869 bytes +74‎ clarify new maximum RAM size

13 November 2018

• curprev 17:2317:23, 13 November 2018‎ Ben Boldt talk contribs‎ 23,795 bytes +1‎ Increased max PRG-RAM spec to 128k
• curprev 12:0112:01, 13 November 2018‎ Krzysiobal talk contribs‎ 23,794 bytes +84‎ PRG-RAM bank clarification
• curprev 00:1600:16, 13 November 2018‎ Ben Boldt talk contribs‎ 23,710 bytes −288‎ Undo revision 15822 by Ben Boldt (talk)
• curprev 00:0400:04, 13 November 2018‎ Ben Boldt talk contribs‎ 23,998 bytes +288‎ Added info about bank register RAM mode not caring about PRG Mode

31 October 2018

• curprev 01:2501:25, 31 October 2018‎ Ben Boldt talk contribs‎ m 23,710 bytes +2‎ No edit summary
• curprev 01:2401:24, 31 October 2018‎ Ben Boldt talk contribs‎ 23,708 bytes +248‎ Added register $5800 as pointed out by Bregalad.

19 October 2018

• curprev 09:2509:25, 19 October 2018‎ Bregalad talk contribs‎ 23,460 bytes −260‎ →‎Nametable mapping ($5105): Remove less relevant examples, also use the term "single-screen" instead of "1-screen" in order to be coherent with the mirroring page.

18 October 2018

• curprev 16:5816:58, 18 October 2018‎ Ben Boldt talk contribs‎ 23,720 bytes +145‎ →‎Unknown Register ($5208 read): Update per findings from krzysiobal

17 October 2018

• curprev 17:1017:10, 17 October 2018‎ Ben Boldt talk contribs‎ 23,575 bytes +61‎ →‎8x8 to 16 Multiplier ($5205, $5206 read/write): Made clear that this is an unsigned multiply.

15 October 2018

• curprev 22:1422:14, 15 October 2018‎ Ben Boldt talk contribs‎ 23,514 bytes +174‎ - Scanline detection/counting: Reorganized, reworded. Hardware timer: added detail, reading $5209 while running = $00.
• curprev 00:5700:57, 15 October 2018‎ Ben Boldt talk contribs‎ m 23,340 bytes 0‎ →‎Write
• curprev 00:5600:56, 15 October 2018‎ Ben Boldt talk contribs‎ 23,340 bytes +108‎ →‎Write: clarification
• curprev 00:5200:52, 15 October 2018‎ Ben Boldt talk contribs‎ 23,232 bytes +101‎ →‎Unknown Register ($5208 read): Added note about multiplier test vs. this register
• curprev 00:4800:48, 15 October 2018‎ Ben Boldt talk contribs‎ 23,131 bytes +847‎ →‎16-bit Hardware Timer with IRQ ($5209 read/write, $520A write): More updates from krzysiobal

14 October 2018

• curprev 20:0620:06, 14 October 2018‎ Ben Boldt talk contribs‎ m 22,284 bytes 0‎ →‎Hardware: Typo fix.
• curprev 07:4407:44, 14 October 2018‎ Ben Boldt talk contribs‎ m 22,284 bytes 0‎ →‎Software Timer With IRQ ($5209 read/write)
• curprev 07:3907:39, 14 October 2018‎ Ben Boldt talk contribs‎ m 22,284 bytes +5‎ →‎Software Timer IRQ ($5209 read/write)
• curprev 07:3907:39, 14 October 2018‎ Ben Boldt talk contribs‎ 22,279 bytes +219‎ →‎Software IRQ ($5209 read/write): Added new findings from krzysiobal

13 October 2018

• curprev 18:1518:15, 13 October 2018‎ Ben Boldt talk contribs‎ m 22,060 bytes −54‎ →‎8x8 to 16 Multiplier ($5205, $5206 read/write)
• curprev 18:1418:14, 13 October 2018‎ Ben Boldt talk contribs‎ 22,114 bytes +225‎ Fixed error where I used default value $C0 from register $5208 and and mistakenly applied that to $5209. Made some observed default values more clear.
• curprev 18:0418:04, 13 October 2018‎ Ben Boldt talk contribs‎ 21,889 bytes +54‎ →‎Write: added power-on values for the multiplier
• curprev 17:3617:36, 13 October 2018‎ Ben Boldt talk contribs‎ 21,835 bytes +245‎ Added note that the product of the multiplier is available immediately, and link to test confirming.

12 October 2018

• curprev 22:1822:18, 12 October 2018‎ Ben Boldt talk contribs‎ 21,590 bytes +594‎ Added info about registers $5208, 5209. Modified multiplier to make clearer that it is 8x8 -> 16

10 October 2018

• curprev 21:4521:45, 10 October 2018‎ Ben Boldt talk contribs‎ 20,996 bytes +460‎ Added my state diagram for the 'in frame' status bit.

1 June 2018

• curprev 05:2205:22, 1 June 2018‎ NovaSquirrel talk contribs‎ 20,536 bytes +49‎ Creating the single screen mirroring category

20 July 2017

• curprev 22:4822:48, 20 July 2017‎ PGCX864 talk contribs‎ m 20,487 bytes 0‎ No edit summary

3 July 2017

• curprev 12:0112:01, 3 July 2017‎ PGCX864 talk contribs‎ m 20,487 bytes −2‎ No edit summary
• curprev 11:5511:55, 3 July 2017‎ PGCX864 talk contribs‎ 20,489 bytes +65‎ No edit summary

23 April 2017

• curprev 23:0923:09, 23 April 2017‎ AWJ talk contribs‎ 20,424 bytes −21‎ Corrected CHR bankswitching information

21 April 2017

• curprev 17:3017:30, 21 April 2017‎ Lidnariq talk contribs‎ 20,445 bytes +68‎ not entirely clear when the hardware was "available" matters, but that's not what the copyright date shows anyway.
• curprev 17:0317:03, 21 April 2017‎ Lidnariq talk contribs‎ m 20,377 bytes −4‎ elide redirect

18 April 2017

• curprev 16:5216:52, 18 April 2017‎ Lidnariq talk contribs‎ m 20,381 bytes −1‎ use actual copyright symbol
• curprev 08:2008:20, 18 April 2017‎ AWJ talk contribs‎ 20,382 bytes +994‎ Add various game-specific information from personal research, and move information about the mapper's initial state to a more prominent place

15 April 2017

• curprev 20:3220:32, 15 April 2017‎ Bregalad talk contribs‎ 19,388 bytes +8‎ →‎CHR Bankswitching ($5120-$5130): Please refrain from using named registers without specifying the real name of the register.

13 April 2017

• curprev 17:3417:34, 13 April 2017‎ Lidnariq talk contribs‎ 19,380 bytes +127‎ →‎CHR Bankswitching ($5120-$5130): update per AWJ's test

10 April 2017

• curprev 08:5908:59, 10 April 2017‎ Bregalad talk contribs‎ 19,253 bytes +145‎ First occurence of the chip, end 1989-begining 1990

18 July 2015

• curprev 03:5203:52, 18 July 2015‎ Lidnariq talk contribs‎ m 19,108 bytes −63‎ →‎PRG RAM bank ($5113): fix nescartdb link

17 July 2015

• curprev 11:3911:39, 17 July 2015‎ Quietust talk contribs‎ m 19,171 bytes −42‎ →‎Overview: original description seemed like a bit of a tautology...
• curprev 11:3511:35, 17 July 2015‎ Quietust talk contribs‎ 19,213 bytes +22‎ there's really only 3 true source nametables - the 4th one is fill mode, all the same tile, all the same color

13 July 2015

• curprev 20:2720:27, 13 July 2015‎ Lidnariq talk contribs‎ 19,191 bytes +12‎ "H, V, D, L, 1, others" is uselessly wordy. Just use the word "arbitrary" and mention that there's more than the normal 2 source nametables.

27 May 2015

• curprev 20:0920:09, 27 May 2015‎ Myask talk contribs‎ 19,179 bytes +15‎ Linking audio in infobox.

18 May 2015

• curprev 17:0517:05, 18 May 2015‎ Lidnariq talk contribs‎ m 19,164 bytes +39‎ add cat:scanlineIRQ