User contributions for Ben Boldt
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22 December 2020
- 23:2223:22, 22 December 2020 diff hist +58 Famicom Network System →Known Registers: Added newly found Exp 7/8/9 read values in $40A5.
- 02:0802:08, 22 December 2020 diff hist +370 Famicom Network System →Pinouts: Added info about CIC pins
- 01:1001:10, 22 December 2020 diff hist +269 Famicom Network System →Pinouts: Added some clock signals observed.
20 December 2020
- 08:3308:33, 20 December 2020 diff hist +7 Famicom Network System →Pinouts: Updated names of Kanji ROM address pins on the RF5C66 pinout
19 December 2020
- 23:4123:41, 19 December 2020 diff hist +1,369 Famicom Network System →Known Registers: Added more register bitfields showing existence of bits from bench test
- 23:0723:07, 19 December 2020 diff hist +461 Famicom Network System →Known Registers
- 22:4922:49, 19 December 2020 diff hist 0 m Famicom Network System →Pinouts
- 22:4922:49, 19 December 2020 diff hist +333 Famicom Network System →Pinouts: Renamed Built-in RAM +CE since the old name "Card RAM +CE" was misleading.
- 19:2919:29, 19 December 2020 diff hist +359 Famicom Network System →Pinouts: Update Kanji ROM pinout
- 04:3604:36, 19 December 2020 diff hist +1,957 Famicom Network System Added bitfields based on tonight's findings.
6 December 2020
- 19:2819:28, 6 December 2020 diff hist 0 m Famicom Network System →Known Registers: Changed register addresses to not reflect mirrors with X's, which is now shown more accurately in the memory map.
- 19:2519:25, 6 December 2020 diff hist +1,166 Famicom Network System →Memory Map: Expanded memory map
29 November 2020
- 05:3605:36, 29 November 2020 diff hist +166 Famicom Network System →Known Registers: Added theories from Fiskbit.
- 05:2005:20, 29 November 2020 diff hist +65 m Famicom Network System →Pinouts: Guest/Host CIC clarifications elsewhere. Some of this can be cleaned up as we learn more.
- 05:0605:06, 29 November 2020 diff hist +566 Famicom Network System →Pinouts: Added Guest CIC pinout and emphasized connections between host and guest.
27 November 2020
- 01:5601:56, 27 November 2020 diff hist −82 Famicom Network System →Pinouts: Added pin names based on MC14LC5436P Dual Tone Receiver datasheet, other cleanup.
26 November 2020
- 08:3708:37, 26 November 2020 diff hist +23 Famicom Network System →Pinouts: Pretty sure P4-30 is Modem Audio Enable.
- 08:1008:10, 26 November 2020 diff hist +138 Famicom Network System →Pinouts: Added new names for pins based on Oki MSM6827L chip datasheet.
13 November 2020
- 06:0006:00, 13 November 2020 diff hist +136 m Famicom Network System Additional note.
- 05:3205:32, 13 November 2020 diff hist +300 m Famicom Network System Added blurb about expansion audio.
8 November 2020
- 05:3805:38, 8 November 2020 diff hist +1,112 Famicom Network System →Known Registers: Added details after revisiting JRA-PAT disassembly.
7 November 2020
- 19:3619:36, 7 November 2020 diff hist −10 m Famicom Network System →Known Registers: Some cleanup (no new info added)
2 November 2020
- 01:3501:35, 2 November 2020 diff hist +799 Famicom Network System →Pinouts: Added notes about LH5323M1 address counting sequence.
- 00:5000:50, 2 November 2020 diff hist +86 m Famicom Network System →Known Registers
- 00:4600:46, 2 November 2020 diff hist +215 Famicom Network System →Pinouts: Added notes connecting the crystal frequency, divided down, matching the observed delays on RF5C66-69.
- 00:1500:15, 2 November 2020 diff hist +2,803 Famicom Network System →Known Registers: Added new register findings based on Super Mario Club ROM dump.
3 September 2020
- 04:4304:43, 3 September 2020 diff hist +12 MMC3 →CHR Banks: Similar to recent modification by Tepples, but this one for the CHR mapping table.
23 August 2020
- 04:4604:46, 23 August 2020 diff hist +42 m VRC6 Cleanup / clarity
1 May 2020
- 20:0420:04, 1 May 2020 diff hist +571 VRC7 audio →Internal patch set: Added patch names from plgDavid's forum post. Also added info about hidden drum patches.
27 April 2020
- 23:3123:31, 27 April 2020 diff hist +33 VRC7 Tweaked memory windows in TOC and included fixed PRG-RAM bank
12 February 2020
- 02:3902:39, 12 February 2020 diff hist −61 PPU pinout →Composite Video Output: Flipped entire schematic vertically so GND is on bottom, and integrated Lidnariq's addition into the text.
10 February 2020
- 15:2415:24, 10 February 2020 diff hist 0 m PPU pinout →Composite Video Output: typo
- 15:2015:20, 10 February 2020 diff hist +188 m PPU pinout Added statement not to cut PPU pins or wrap in foil.
- 15:0915:09, 10 February 2020 diff hist +1,484 PPU pinout Added composite video amplifier circuit. People always ask about this, not sure if this is the best spot for it.
- 04:4304:43, 10 February 2020 diff hist +1 m Namco 163 audio →Channel Update: Recalculated using exact nominal CPU speeds, NTSC = 21.477272MHz/12, PAL = 26.601712MHz/16
9 February 2020
- 21:2821:28, 9 February 2020 diff hist +176 Namco 163 audio →Channel Update: Updated update frequencies per NTSC CPU = 1.79 MHz and PAL CPU = 1.66 MHz.
6 February 2020
- 00:4000:40, 6 February 2020 diff hist −166 RAMBO-1 Fixed several errors suggesting R7 and R6 are swapped versus MMC3 behavior when in PRG-ROM mode 1.
17 December 2019
- 20:4020:40, 17 December 2019 diff hist +723 RAMBO-1 →IRQ counter operation: Added my findings, hopefully we can improve this and clean it up.
6 December 2019
- 20:5420:54, 6 December 2019 diff hist −37 RAMBO-1 →PRG Banks: Clarify, not initialized registers.
5 December 2019
- 19:2419:24, 5 December 2019 diff hist +47 RAMBO-1 →Registers: minor fixes
- 19:1819:18, 5 December 2019 diff hist +93 RAMBO-1 →CHR Banks: Clarification
- 16:4416:44, 5 December 2019 diff hist +1,057 RAMBO-1 →Bank select ($8000-$9FFE, even): Clarification. No new information here, just copying layout and tables from MMC3 and adjusting with already-known info.
- 16:2016:20, 5 December 2019 diff hist +3 m MMC3 →Bank select ($8000-$9FFE, even): Minor Clarification
3 December 2019
- 22:4922:49, 3 December 2019 diff hist +28 RAMBO-1 →IRQ acknowledge / enable ($E001-$FFFF, odd): Removed incorrect statement that this register clears IRQ. Confirmed that it does not.
24 November 2019
- 18:0818:08, 24 November 2019 diff hist +300 RAMBO-1 →Registers: Added blurb about register $A001-$BFFF, odd. Will be looking into this in the coming weeks, especially with pin 19 high.
30 October 2019
- 19:5919:59, 30 October 2019 diff hist 0 m MMC3 pinout →Pirate versions (600 mil 40-pin DIP package)
13 October 2019
- 23:5823:58, 13 October 2019 diff hist +20 m Famicom Network System Added pinouts category.
- 23:1223:12, 13 October 2019 diff hist 0 File:Template-info.svg Ben Boldt uploaded a new version of File:Template-info.svg current
12 July 2019
- 17:4317:43, 12 July 2019 diff hist −36 Namcot 163 family pinout Cleaned up comments
3 June 2019
- 17:2017:20, 3 June 2019 diff hist +95 m Famicom Network System Added some categories.
