RAMBO-1: Revision history

7 March 2021

• curprev 13:4813:48, 7 March 2021‎ Zepper talk contribs‎ m 9,347 bytes 0‎ →‎IRQ counter operation: grammar

6 February 2020

• curprev 00:4000:40, 6 February 2020‎ Ben Boldt talk contribs‎ 9,347 bytes −166‎ Fixed several errors suggesting R7 and R6 are swapped versus MMC3 behavior when in PRG-ROM mode 1.

17 December 2019

• curprev 20:4020:40, 17 December 2019‎ Ben Boldt talk contribs‎ 9,513 bytes +723‎ →‎IRQ counter operation: Added my findings, hopefully we can improve this and clean it up.

6 December 2019

• curprev 20:5420:54, 6 December 2019‎ Ben Boldt talk contribs‎ 8,790 bytes −37‎ →‎PRG Banks: Clarify, not initialized registers.

5 December 2019

• curprev 19:2419:24, 5 December 2019‎ Ben Boldt talk contribs‎ 8,827 bytes +47‎ →‎Registers: minor fixes
• curprev 19:1819:18, 5 December 2019‎ Ben Boldt talk contribs‎ 8,780 bytes +93‎ →‎CHR Banks: Clarification
• curprev 16:4416:44, 5 December 2019‎ Ben Boldt talk contribs‎ 8,687 bytes +1,057‎ →‎Bank select ($8000-$9FFE, even): Clarification. No new information here, just copying layout and tables from MMC3 and adjusting with already-known info.

3 December 2019

• curprev 22:4922:49, 3 December 2019‎ Ben Boldt talk contribs‎ 7,630 bytes +28‎ →‎IRQ acknowledge / enable ($E001-$FFFF, odd): Removed incorrect statement that this register clears IRQ. Confirmed that it does not.

24 November 2019

• curprev 18:0818:08, 24 November 2019‎ Ben Boldt talk contribs‎ 7,602 bytes +300‎ →‎Registers: Added blurb about register $A001-$BFFF, odd. Will be looking into this in the coming weeks, especially with pin 19 high.

26 January 2019

• curprev 16:1116:11, 26 January 2019‎ Ben Boldt talk contribs‎ 7,302 bytes +30‎ Added pinout link to infobox.

9 August 2017

• curprev 18:2518:25, 9 August 2017‎ Zepper talk contribs‎ 7,272 bytes −19‎ →‎IRQ timing: Let's make it official, since the current spec does NOT work well.

28 June 2017

• curprev 23:0723:07, 28 June 2017‎ Zepper talk contribs‎ m 7,291 bytes +53‎ →‎IRQ counter operation: Minor fixes.
• curprev 23:0023:00, 28 June 2017‎ Zepper talk contribs‎ 7,238 bytes +207‎ →‎IRQ counter operation: Update. A deep test & better info is required.

27 June 2017

• curprev 02:0102:01, 27 June 2017‎ Zepper talk contribs‎ m 7,031 bytes +8‎ →‎IRQ counter operation: it should be "at every CPU cycle", my bad.

16 June 2017

• curprev 02:0302:03, 16 June 2017‎ Zepper talk contribs‎ 7,023 bytes +85‎ →‎IRQ counter operation: code update

22 July 2015

• curprev 22:3222:32, 22 July 2015‎ Lidnariq talk contribs‎ m 6,938 bytes −14‎ didn't notice wrammax/wrampage behavior when previewing
• curprev 22:3122:31, 22 July 2015‎ Lidnariq talk contribs‎ 6,952 bytes −38‎ add infobox, nesdbox, and remove pointless bitfields (i.e. those where all eight bits are the same, or all ignored)

18 May 2015

• curprev 17:2817:28, 18 May 2015‎ Lidnariq talk contribs‎ m 6,990 bytes +75‎ add cat:scanlineIRQ and cycleIRQ

24 April 2015

• curprev 17:4117:41, 24 April 2015‎ Rainwarrior talk contribs‎ m 6,915 bytes +67‎ example games

22 April 2015

• curprev 21:3521:35, 22 April 2015‎ Myask talk contribs‎ m 6,848 bytes +1‎ Disch != cuisine

21 April 2015

• curprev 11:0011:00, 21 April 2015‎ Lidnariq talk contribs‎ m 6,847 bytes −2,750‎ Reverted edits by Lidnariq (talk) to last revision by Bregalad
• curprev 10:5710:57, 21 April 2015‎ Lidnariq talk contribs‎ m 9,597 bytes +2,750‎ Reverted edits by Bregalad (talk) to last revision by Lidnariq
• curprev 10:3210:32, 21 April 2015‎ Bregalad talk contribs‎ 6,847 bytes −2,750‎ →‎Disch's Notes: Added links, removed pasted notes, also links to \Fireburg\'s

8 May 2014

• curprev 01:0801:08, 8 May 2014‎ Lidnariq talk contribs‎ 9,597 bytes +62‎ edit for style
• curprev 01:0701:07, 8 May 2014‎ Lidnariq talk contribs‎ 9,535 bytes −120‎ remove links to self-redirects

12 January 2014

• curprev 22:1722:17, 12 January 2014‎ Tepples talk contribs‎ 9,655 bytes +61‎ This is not First Blood. Source: http://bootgod.dyndns.org:7777/profile.php?id=391

12 October 2013

• curprev 05:5205:52, 12 October 2013‎ Lidnariq talk contribs‎ 9,594 bytes +194‎ link to pinout. s/KB/KiB/g. Add interwiki links. No PRG RAM natively. Very minor edits for style.

6 September 2013

• curprev 00:4400:44, 6 September 2013‎ Lidnariq talk contribs‎ 9,400 bytes −2,864‎ →‎Disch's Notes: remove everything Disch said about IRQs so that I don't have to correct things twice

5 September 2013

• curprev 17:5917:59, 5 September 2013‎ Lidnariq talk contribs‎ 12,264 bytes +222‎ →‎IRQ counter operation: fix the parts that are trivial. This section probably needs a rewrite.

9 October 2012

• curprev 06:2406:24, 9 October 2012‎ Lidnariq talk contribs‎ 12,042 bytes +5,835‎ Move Disch's notes from iNES Mapper 064
• curprev 02:0102:01, 9 October 2012‎ Tepples talk contribs‎ 6,207 bytes +440‎ 118/158 mirroring in a nutshell

16 April 2012

• curprev 23:2623:26, 16 April 2012‎ Tepples talk contribs‎ 5,767 bytes +35‎ →‎Bank select ($8000-$9FFE, even): What the C bit does is invert A12. Also additional warning about PRG mode 1 difference from MMC3
• curprev 22:4222:42, 16 April 2012‎ Zeromus talk contribs‎ 5,732 bytes +20‎ No edit summary
• curprev 22:1322:13, 16 April 2012‎ Tepples talk contribs‎ m 5,712 bytes +5‎ Reverted edits by Tepples (talk) to last revision by Lidnariq
• curprev 22:1222:12, 16 April 2012‎ Tepples talk contribs‎ m 5,707 bytes −5‎ Reverted edits by Lidnariq (talk) to last revision by Tepples
• curprev 22:0522:05, 16 April 2012‎ Lidnariq talk contribs‎ m 5,712 bytes +5‎ move to subcategory

17 February 2012

• curprev 22:4922:49, 17 February 2012‎ Tepples talk contribs‎ 5,707 bytes +18‎ →‎Bank select ($8000-$9FFE, even): bit 3 is used
• curprev 20:0120:01, 17 February 2012‎ Lidnariq talk contribs‎ m 5,689 bytes −3‎ →‎Overview: Kevtris had REd the pinout of the 800032 years ago; there's only enough pins for 256kB of ROM.

9 November 2011

• curprev 03:0303:03, 9 November 2011‎ Drag talk contribs‎ 5,692 bytes +2,422‎ Pretty much done, as far as I can tell.
• curprev 02:4002:40, 9 November 2011‎ Drag talk contribs‎ 3,270 bytes +3,270‎ Here's the RAMBO-1, information taken from Disch's docs. Jeeze, is the bankswitching complicated enough?