MMC5: Revision history

20 December 2018

• curprev 22:1822:18, 20 December 2018‎ Ben Boldt talk contribs‎ 29,397 bytes +209‎ Added new findings from krzysiobal

17 December 2018

• curprev 22:3922:39, 17 December 2018‎ Ben Boldt talk contribs‎ 29,188 bytes +185‎ →‎Vertical Split Mode ($5200): Added info about possible split screen mode in ending sequence of Bandit Kings of Ancient China.

8 December 2018

• curprev 02:1502:15, 8 December 2018‎ Krzysiobal talk contribs‎ m 29,003 bytes 0‎ Just Breed writes $03, not $02
• curprev 00:2700:27, 8 December 2018‎ Ben Boldt talk contribs‎ 29,003 bytes +207‎ →‎Unknown Register ($5800, write only): Updating with new info/clues
• curprev 00:1800:18, 8 December 2018‎ Ben Boldt talk contribs‎ 28,796 bytes +83‎ →‎CL3 / SL3 Data Direction and Output Data ($5207 write only): Updated with new findings.

7 December 2018

• curprev 01:5101:51, 7 December 2018‎ Ben Boldt talk contribs‎ 28,713 bytes +151‎ →‎Overview: Added info about reset detection.

6 December 2018

• curprev 03:4003:40, 6 December 2018‎ Ben Boldt talk contribs‎ m 28,562 bytes −246‎ →‎CL3 / SL3 Status ($5208 read/write): Removed extra info that is no longer useful.
• curprev 03:3803:38, 6 December 2018‎ Ben Boldt talk contribs‎ 28,808 bytes +236‎ Improved CL3/SL3 register descriptions with new findings
• curprev 03:0303:03, 6 December 2018‎ Ben Boldt talk contribs‎ 28,572 bytes +116‎ →‎Unknown Register ($5207 write only)
• curprev 02:1602:16, 6 December 2018‎ Ben Boldt talk contribs‎ 28,456 bytes +682‎ Added new findings from VCC current spike testing tonight.

25 November 2018

• curprev 22:2422:24, 25 November 2018‎ Ben Boldt talk contribs‎ 27,774 bytes +180‎ →‎PRG Bankswitching: Grayed out boxes in the PRG bankswitching table where it can't be used due to /CS.
• curprev 20:2620:26, 25 November 2018‎ Lidnariq talk contribs‎ 27,594 bytes 0‎ →‎PRG Bankswitching: use rowspan to unify places where the two address buses are the same in order to emphasize where the two buses differ
• curprev 20:1020:10, 25 November 2018‎ Krzysiobal talk contribs‎ m 27,594 bytes +16‎ Filled question marks for PRG-RAM
• curprev 19:0219:02, 25 November 2018‎ Ben Boldt talk contribs‎ 27,578 bytes +84‎ →‎PRG Bankswitching: Additional clarity, filled in some RAM ?s
• 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