User contributions for Ben Boldt
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23 November 2018
- 18:3118:31, 23 November 2018 diff hist +1,084 MMC5 →PRG Bankswitching: Renamed and added table
- 17:3917:39, 23 November 2018 diff hist +406,957 User:Ben Boldt No edit summary
21 November 2018
- 17:2117:21, 21 November 2018 diff hist +224 MMC5 →Overview: Added info about system reset detection.
20 November 2018
- 22:5222:52, 20 November 2018 diff hist +4 m MMC5 pinout Missed one
- 22:5022:50, 20 November 2018 diff hist −1,822 MMC5 pinout Added 'R's to the pinout for RAM connections. Removed redundant pinout.
13 November 2018
- 17:2317:23, 13 November 2018 diff hist +1 MMC5 Increased max PRG-RAM spec to 128k
- 00:1600:16, 13 November 2018 diff hist −288 MMC5 Undo revision 15822 by Ben Boldt (talk)
- 00:0400:04, 13 November 2018 diff hist +288 MMC5 Added info about bank register RAM mode not caring about PRG Mode
4 November 2018
- 18:3518:35, 4 November 2018 diff hist +2 MMC5 pinout Removed assumption that pin 75 is a /CE pin. There is strong evidence that it is a RAM /WE or /CE.
- 16:0816:08, 4 November 2018 diff hist +465 MMC5 pinout Labeled pin 75 as possibly PRG RAM 2 /CE, also added legend to pinout.
31 October 2018
- 01:2501:25, 31 October 2018 diff hist +2 m MMC5 No edit summary
- 01:2401:24, 31 October 2018 diff hist +248 MMC5 Added register $5800 as pointed out by Bregalad.
29 October 2018
- 00:5800:58, 29 October 2018 diff hist +630 MMC5 audio →Pin 2 DAC Characteristic: Added info about constant current
19 October 2018
- 18:4718:47, 19 October 2018 diff hist +74 MMC5 audio →Pin 2 DAC Characteristic
- 18:4218:42, 19 October 2018 diff hist +31 MMC5 audio →Pin 2 DAC Voltages: Updated to show observations considering AVcc
- 18:3618:36, 19 October 2018 diff hist 0 File:MMC5 DAC Characteristic.png Ben Boldt uploaded a new version of File:MMC5 DAC Characteristic.png current
- 18:0118:01, 19 October 2018 diff hist +180 MMC5 audio →Pin 2 DAC Voltages: Added additional DAC observation
18 October 2018
- 22:2022:20, 18 October 2018 diff hist −1 MMC5 pinout Took away question marks from Pin 2 -- verified and measured this pin.
- 22:1822:18, 18 October 2018 diff hist +229 MMC5 audio →Raw PCM ($5011): Added specifics about DAC voltage
- 22:1422:14, 18 October 2018 diff hist 0 N File:MMC5 DAC Characteristic.png No edit summary
- 16:5816:58, 18 October 2018 diff hist +145 MMC5 →Unknown Register ($5208 read): Update per findings from krzysiobal
17 October 2018
- 17:1017:10, 17 October 2018 diff hist +61 MMC5 →8x8 to 16 Multiplier ($5205, $5206 read/write): Made clear that this is an unsigned multiply.
15 October 2018
- 22:1422:14, 15 October 2018 diff hist +174 MMC5 - Scanline detection/counting: Reorganized, reworded. Hardware timer: added detail, reading $5209 while running = $00.
- 00:5700:57, 15 October 2018 diff hist 0 m MMC5 →Write
- 00:5600:56, 15 October 2018 diff hist +108 MMC5 →Write: clarification
- 00:5200:52, 15 October 2018 diff hist +101 MMC5 →Unknown Register ($5208 read): Added note about multiplier test vs. this register
- 00:4800:48, 15 October 2018 diff hist +847 MMC5 →16-bit Hardware Timer with IRQ ($5209 read/write, $520A write): More updates from krzysiobal
14 October 2018
- 20:0620:06, 14 October 2018 diff hist 0 m MMC5 →Hardware: Typo fix.
- 07:4407:44, 14 October 2018 diff hist 0 m MMC5 →Software Timer With IRQ ($5209 read/write)
- 07:3907:39, 14 October 2018 diff hist +5 m MMC5 →Software Timer IRQ ($5209 read/write)
- 07:3907:39, 14 October 2018 diff hist +219 MMC5 →Software IRQ ($5209 read/write): Added new findings from krzysiobal
- 00:0500:05, 14 October 2018 diff hist +112 MMC5 audio →Read: Bit 0 is set with default value... Adding note, this is most likely just reading back the mode bit.
- 00:0000:00, 14 October 2018 diff hist +102 MMC5 audio Added default power-on values.
13 October 2018
- 18:1518:15, 13 October 2018 diff hist −54 m MMC5 →8x8 to 16 Multiplier ($5205, $5206 read/write)
- 18:1418:14, 13 October 2018 diff hist +225 MMC5 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.
- 18:0418:04, 13 October 2018 diff hist +54 MMC5 →Write: added power-on values for the multiplier
- 17:3617:36, 13 October 2018 diff hist +245 MMC5 Added note that the product of the multiplier is available immediately, and link to test confirming.
12 October 2018
- 22:1822:18, 12 October 2018 diff hist +594 MMC5 Added info about registers $5208, 5209. Modified multiplier to make clearer that it is 8x8 -> 16
11 October 2018
- 15:1615:16, 11 October 2018 diff hist +73 File:Mmc5 in frame status bit.png Added Visio file so that this diagram can be modified easily in the future.
- 15:1515:15, 11 October 2018 diff hist +76 N File:Mmc5 in frame status bit.vsd Original Microsoft Visio document for: File:mmc5_in_frame_status_bit.png
10 October 2018
- 21:4521:45, 10 October 2018 diff hist +460 MMC5 Added my state diagram for the 'in frame' status bit.
- 21:4121:41, 10 October 2018 diff hist +40 N File:Mmc5 in frame status bit.png MMC5 'in frame' status bit state diagram
5 October 2018
- 00:5500:55, 5 October 2018 diff hist +4,534 MMC5 pinout Added ASCII art pinout similar to that used for Namco-163
9 June 2018
- 18:5118:51, 9 June 2018 diff hist 0 m Limitations →Simulation: Reworded.
9 December 2017
- 18:3418:34, 9 December 2017 diff hist +295 VRC2 and VRC4 Added some clarification. I originally had trouble understanding that the a/b/c/d/e/f were not variations of the VRC chip itself.
23 March 2016
- 14:1414:14, 23 March 2016 diff hist +41 VRC6 pinout Added info about pins 9 & 10 based on my Madara VRC6b cartridge
19 February 2014
- 22:2622:26, 19 February 2014 diff hist +8 Template:Mapper Key Put title onto table.
- 22:1522:15, 19 February 2014 diff hist +73 N User:Ben Boldt Created page with "See my [http://en.wikipedia.org/wiki/User:Ben_Boldt Wikipedia User Page]."
- 22:1022:10, 19 February 2014 diff hist −874 Mapper Put the mapper key into a template so that it can be inserted multiple times (once for each table).
- 22:0722:07, 19 February 2014 diff hist +1,218 N Template:Mapper Key Created template for this so that it can be inserted at multiple locations and edited at only one location.
