MOS Technology 6502: Revision history

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curprev 23:3023:30, 25 May 2025 OAbot talk contribs m 120,546 bytes +25 Open access bot: url-access updated in citation with #oabot. undo

curprev 02:4502:45, 12 May 2025 RastaKins talk contribs 120,521 bytes −1 →Detailed behavior: Negative-logic wired-OR looks looks the same as positive-logic wired-AND. NMI is falling-edge sensitive which would be negative logic. Wired-OR NMI could be possible if it can be guaranteed that multiple interrupt sources cannot be active simultaneously. undo

curprev 21:4621:46, 11 May 2025 2a02:3100:23c4:8000:8076:640e:e922:d4da talk 120,522 bytes +95 →Detailed behavior undo

curprev 16:1516:15, 5 May 2025 Piperium talk contribs 120,427 bytes +7 No edit summary undo

curprev 02:1802:18, 1 May 2025 Kvng talk contribs 120,420 bytes −105 review: ce for clarity. rm dup image. mv misplaced. undo

curprev 14:4014:40, 27 April 2025 Kvng talk contribs 120,525 bytes +10 mark perishable statement undo

curprev 09:3209:32, 25 April 2025 Polygondwanaland talk contribs 120,515 bytes +90 →Registers: added links for flags undo

curprev 10:2710:27, 24 April 2025 134.97.179.171 talk 120,425 bytes −6 →Technical description undo

curprev 07:2407:24, 20 April 2025 77.170.80.22 talk 120,431 bytes +1 No edit summary undo

curprev 17:1317:13, 16 April 2025 RastaKins talk contribs 120,430 bytes +9 →16-bit derivatives: Better define "currently." In production as of April 2025. undo

curprev 09:2509:25, 5 April 2025 Ifier.B talk contribs m 120,421 bytes −37 →Detailed behavior: Remove link to wrong kind of assertion; I can't find a more appropriate page to link to but I might not know of an alternative name undo Tags: Mobile edit Mobile app edit Android app edit App section source

curprev 18:1318:13, 30 March 2025 Kvng talk contribs 120,458 bytes −6 review: add link. consistent terminology. undo

curprev 14:0614:06, 25 March 2025 TimOertel talk contribs 120,464 bytes 0 Swapped nibbles, LOW ORDER bits. →Instructions and opcodes undo

curprev 16:1116:11, 17 March 2025 Kvng talk contribs 120,464 bytes +3 std formal undo

curprev 14:5714:57, 21 February 2025 Kvng talk contribs m 118,490 bytes −31 review: rm rep acro def undo

curprev 18:5718:57, 7 February 2025 ToaneeM talk contribs 118,521 bytes +10 →Registers: Was 'P is status register' which doesn't explain why 'P'. Now clarified that P is Processor Status Register, as per datasheets etc. undo

curprev 23:0623:06, 6 February 2025 3df talk contribs 118,511 bytes −5 →Computers and games undo

curprev 05:0405:04, 31 January 2025 Kvng talk contribs 118,516 bytes −28 improve recent contribution undo

curprev 05:1905:19, 27 January 2025 Higigig talk contribs 118,544 bytes +635 added explanations to clock cycles undo Tag: Visual edit

curprev 16:4916:49, 20 January 2025 RastaKins talk contribs 117,909 bytes −7 →Technical description: Stack pointer is S, not SP. See discussion here: Talk:MOS_Technology_6502/Archives/2019 undo
curprev 08:2308:23, 20 January 2025 Mr z talk contribs m 117,916 bytes −6 →Moving to NMOS: Remove superfluous "to be" from "provided to be..." undo

curprev 19:0319:03, 9 January 2025 Kvng talk contribs 117,922 bytes −32 review: ref is talking about a specific subsection of the chip for 5 mil overage. simplify link. undo

curprev 15:0815:08, 20 December 2024 Kvng talk contribs m 117,954 bytes 0 more comma tweaks. grammar. MOS:TERM. undo

curprev 07:1007:10, 17 December 2024 134.97.179.171 talk 117,954 bytes 0 →Variations and derivatives {{anchor|variants|Variants}} undo

curprev 01:4501:45, 11 December 2024 2001:16b8:17b0:b800:e4e6:e9de:f3c7:a59e talk 117,954 bytes 0 Increased saturation of Color Coding for better readability undo Tag: Visual edit: Switched
curprev 01:0101:01, 11 December 2024 2a01:cb04:6ce:8b00:a4c4:793d:6633:2fe5 talk 117,954 bytes −1 →Bugs and quirks: Removed extra parenthesis undo Tags: Mobile edit Mobile web edit

curprev 20:5020:50, 6 December 2024 Kvng talk contribs m 117,955 bytes −2 review: minor clarifications undo

curprev 07:0607:06, 19 November 2024 100.34.18.149 talk 117,957 bytes +2,583 →Bugs and quirks: general editing: minor improvements and additions, no major changes undo

curprev 05:1205:12, 18 November 2024 RastaKins talk contribs 115,374 bytes +117 →Design notes: Atari ANTIC DMA example oversimplifies how DMA was implemented. Atari used octal drivers to isolate the address bus. undo

curprev 16:2616:26, 17 November 2024 RastaKins talk contribs 115,257 bytes −7 →Design notes: Source document does not say "a single". It says "a". It would take four 74158 to insert a 16-bit DMA address onto the bus. undo

curprev 13:1413:14, 15 November 2024 Maury Markowitz talk contribs m 115,264 bytes −4 →Design notes undo Tag: 2017 wikitext editor

curprev 22:0122:01, 13 November 2024 Cl~dewiki talk contribs m 115,268 bytes −1 minor correction, byte->bit →Registers undo

curprev 15:4815:48, 25 October 2024 Kvng talk contribs 115,269 bytes −25 review: simplify link. MOS:TERM. WP:NPOV. grammar. undo

curprev 15:2215:22, 14 October 2024 John of Reading talk contribs m 115,294 bytes 0 Typo fixing, replaced: miminum → minimum undo Tag: AWB

curprev 22:4322:43, 22 September 2024 Kvng talk contribs 115,294 bytes +31 review: add links undo

curprev 14:4414:44, 9 September 2024 Michaelmalak talk contribs 115,263 bytes +217 Undid revision 1244834771 by ProdOrDev (talk) rv and added cite undo
curprev 13:4413:44, 9 September 2024 ProdOrDev talk contribs m 115,046 bytes 0 Correct the bit count of the P register. undo

curprev 03:2103:21, 4 September 2024 KelleyCook talk contribs 115,046 bytes −8 correct and wikilink the colorburst note undo Tag: 2017 wikitext editor

curprev 10:3310:33, 1 September 2024 Nngnna talk contribs 115,054 bytes 0 wording undo

curprev 16:0016:00, 31 August 2024 RastaKins talk contribs 115,054 bytes 0 →Variations and derivatives {{anchor|variants|Variants}}: 1.78 MHz is NTSC ÷ 2 undo
curprev 00:0300:03, 31 August 2024 85.76.40.124 talk 115,054 bytes −8 →Addressing: The accumulator is not used as the effective address; it is operated on directly. Well, perhaps the wording tried to say the effective address literally is "the accumulator", rather than its value, but it wasn't very clear at all. undo Tags: Mobile edit Mobile web edit

curprev 20:2920:29, 19 August 2024 ToaneeM talk contribs 115,062 bytes +21 Reinstated previous text, wrongly removed. This has been gone through already in the past. undo
curprev 16:1916:19, 19 August 2024 Kvng talk contribs 115,041 bytes +12 review: ce. add link. consistent terminology. undo

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