User contributions for Ben Boldt
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1 February 2021
- 03:0303:03, 1 February 2021 diff hist +2,278 Famicom Network System Added $40D0/4123, 40D1/4124, 40D2/4125 connections. Added registers $40D5 and $40D6
31 January 2021
- 00:5400:54, 31 January 2021 diff hist +83 Famicom Network System →CPU2 Known Registers: Added theory that register $40D3 on Famicom CPU bus is dual-port with $4122 on CPU2 bus.
30 January 2021
- 08:5908:59, 30 January 2021 diff hist −39 Famicom Network System →CPU2 Known Registers: Corrected error in CPU2 Register $4128
- 05:0705:07, 30 January 2021 diff hist +1,579 Famicom Network System →CPU2 Known Registers: Added CPU2 read register information from $40 testing
- 04:3104:31, 30 January 2021 diff hist +5,141 Famicom Network System →CPU2 Known Registers: Added more CPU2 register read bit findings based on runaway $8F branching and redoing $41 tests on the standalone RF5A18 setup.
- 02:1302:13, 30 January 2021 diff hist +464 Famicom Network System →RF5A18 CPU2 Modem Controller: Confirmed correct CPU2 M2 pin on both of my setups is pin 19.
29 January 2021
- 08:5208:52, 29 January 2021 diff hist −113 Famicom Network System Cleanup odds and ends
- 08:2608:26, 29 January 2021 diff hist +55 Famicom Network System Added info about CPU2 register $4129 - P5 expansion port control.
- 05:3605:36, 29 January 2021 diff hist +1,275 Famicom Network System →CPU2 Known Registers: Found a number of I/O pins in the CPU2 registers.
27 January 2021
- 03:0803:08, 27 January 2021 diff hist 0 Famicom Network System →RF5A18 CPU2 Modem Controller: Identified /reset pin.
24 January 2021
- 07:3107:31, 24 January 2021 diff hist +14 Famicom Network System →CPU2 Known Registers: Reviewed and removed several additional incorrect statements.
- 07:1807:18, 24 January 2021 diff hist −11 Famicom Network System →CPU2 Known Registers: Removed incorrect statement from CPU2 register $4110
- 07:1507:15, 24 January 2021 diff hist −276 Famicom Network System →CPU2 Known Registers: Removed $F0AC from CPU2, those weren't instructions I was looking at.
- 07:0807:08, 24 January 2021 diff hist +4,889 Famicom Network System →CPU2 Known Registers: Added lots more register findings from the ROM.
- 02:3202:32, 24 January 2021 diff hist +49 m Famicom Network System →CPU2 Known Registers: a couple minor CPU2 register notes
- 02:0902:09, 24 January 2021 diff hist −5 m Famicom Network System →CPU2 Known Registers: typo
- 02:0602:06, 24 January 2021 diff hist +65 m Famicom Network System →Expansion Audio
- 01:4801:48, 24 January 2021 diff hist +4,314 Famicom Network System →CPU2 Known Registers: Added observations from CPU2 ROM disassembly.
23 January 2021
- 20:0420:04, 23 January 2021 diff hist +378 Famicom Network System →Pinouts: Added P5 Expansion connector, older revisions only.
- 18:4218:42, 23 January 2021 diff hist 0 m Famicom Network System →CPU2 Memory Map: typo fix
- 06:2306:23, 23 January 2021 diff hist +4 m Famicom Network System →CPU2 Known Registers
- 05:3705:37, 23 January 2021 diff hist +13 Famicom Network System →CPU2 Known Registers: Added info I just found about CPU2 $4129
- 05:1805:18, 23 January 2021 diff hist +5,709 Famicom Network System Added information about CPU2 memory organization and registers
20 January 2021
- 07:4607:46, 20 January 2021 diff hist +126 Famicom Network System →RF5A18 Modem Controller: Added CPU2 info
11 January 2021
- 01:4001:40, 11 January 2021 diff hist +870 m Famicom Network System →P3: Expansion Connector: Added orientation for expansion connector. No new information added.
10 January 2021
- 22:2722:27, 10 January 2021 diff hist +660 m Famicom Network System →Pinouts: Updated modem module edge connector with data directions. Created subsections for each pinout. No new info added.
8 January 2021
- 08:1208:12, 8 January 2021 diff hist 0 m Famicom Network System →Pinouts: Filled in some question marks with previously found register bits in the 5C66 pinout.
- 07:5307:53, 8 January 2021 diff hist +18 Famicom Network System →Known Registers: Confirmed $40C0 5C66 input pins 33 and 34 with bench test setup where I can isolate these pins from their normal connections.
- 06:4206:42, 8 January 2021 diff hist −49 m Famicom Network System →Known Registers: removed accidental text
7 January 2021
- 06:5806:58, 7 January 2021 diff hist −10 m Famicom Network System Changed phrase "Card RAM +CE" to just "RAM +CE" to avoid confusion. JRA-PAT doesn't use this signal in the card.
- 05:3905:39, 7 January 2021 diff hist +71 Famicom Network System →Known Registers: Removed misleading information. These registers actually get a sequence of data read/written when dialing which I will post in the forum.
- 04:2204:22, 7 January 2021 diff hist +592 Famicom Network System →Known Registers: Added observations of $40Dx registers when connecting/disconnecting
- 03:2103:21, 7 January 2021 diff hist +633 Famicom Network System →Known Registers: Found how to write to 5C66 pins 36, 37 using $40C0 and pin 28 using $40AE. Updated mirroring control register from testing.
6 January 2021
- 03:5303:53, 6 January 2021 diff hist +112 Famicom Network System Updated $40C0 and $40AE register descriptions based on information I found testing.
25 December 2020
- 17:1817:18, 25 December 2020 diff hist +136 Famicom Network System →Known Registers: Clarified/updated stuff about IRQ acknowledging.
- 17:0917:09, 25 December 2020 diff hist +343 Famicom Network System →Known Registers: Clean up $40A6/7
- 04:5504:55, 25 December 2020 diff hist 0 m Famicom Network System →Pinouts: typo fix
- 00:4000:40, 25 December 2020 diff hist +445 Famicom Network System →Known Registers: Added $40A9/$40AA/$40AB/RF5C66 pin 45 info
24 December 2020
- 22:3422:34, 24 December 2020 diff hist +66 Cartridge connector Added labels to help clarify the data directions. Some people don't need it but I do because I am always confused by it.
- 04:1804:18, 24 December 2020 diff hist +48 m Famicom Network System →Pinouts: alignment
- 04:1604:16, 24 December 2020 diff hist 0 m Famicom Network System →Known Registers: Typo fix, modem module pin 31, not 21.
- 04:1404:14, 24 December 2020 diff hist +648 Famicom Network System →Pinouts: Showing data directions on game card and expansion connectors
- 03:4003:40, 24 December 2020 diff hist +170 m Famicom Network System - Info about mirroring
- 03:3103:31, 24 December 2020 diff hist +301 Famicom Network System →Known Registers: Added more input pin register bits found.
- 00:3900:39, 24 December 2020 diff hist +130 Famicom Network System →Known Registers: Added pin functions found in register $40C0
- 00:2000:20, 24 December 2020 diff hist +239 Famicom Network System →Pinouts: Added detail about 5C66 pin 79
23 December 2020
- 07:3207:32, 23 December 2020 diff hist +190 Famicom Network System →Pinouts: Updated CIC pinouts based on SNES F411 pinout found by Google from jwdonal/nocash
- 03:0203:02, 23 December 2020 diff hist +115 Famicom Network System →Known Registers: Added info about acknowledging IRQ by reading $40A2.
- 00:4200:42, 23 December 2020 diff hist +364 Famicom Network System →Known Registers: More IRQ/counter details found, similar to FDS.
- 00:2200:22, 23 December 2020 diff hist +18 Famicom Network System →Known Registers: Added info about cycle counter and IRQ.
