MOS Technology 6502 (English Wikipedia)

"Rockwell R65F11 R65F12 Forth Based Microcomputers" (PDF). June 1987. Archived (PDF) from the original on 4 August 2020. Retrieved 28 Apr 2020.
Moser, Carl W. (January 1979). "Add a Trap Vector for Unimplemented 6502 Opcodes" (PDF). Dr. Dobb's Journal of Computer Calisthenics and Orthodontia. No. 31. Menlo Park, California. p. 32. Archived (PDF) from the original on 2016-06-11. Retrieved 2017-01-07.

6502.org

NMOS 6502 Opcodes. Archived 2016-01-14 at the Wayback Machine.

adsabs.harvard.edu (Global: 14^th place; English: 9^th place)

ui.adsabs.harvard.edu

"MOS 6502 the second of a low cost high performance microprocessor family". Computer. 8 (9). IEEE Computer Society: 38–39. September 1975. Bibcode:1975Compr...8i..38.. doi:10.1109/C-M.1975.219074. Archived from the original on 2021-02-24. Retrieved 2012-06-04.

anandtech.com (Global: 1,850^th place; English: 1,272^nd place)

Ho, Joshua (9 October 2014). "An Introduction to Semiconductor Physics, Technology, and Industry". Anandtech. Archived from the original on 24 February 2020. Retrieved 24 February 2020.

applefritter.com (Global: low place; English: low place)

"How to test a ceramic 6502 for the ROR bug? | Applefritter". Archived from the original on 2023-02-25. Retrieved 2023-02-25.

archive.org (Global: 6^th place; English: 6^th place)

MOS Microcomputers. "MDT Microcomputer Development Terminal". The Internet Archive. Retrieved 2026-01-09.
"Commodore 64 Programmer's Reference Guide". Commodore Business Machines, Inc. via Internet Archive. Retrieved 2026-08-31.
"rockwell :: dataBooks :: 1985 Rockwell Data Book" – via Internet Archive.
"VL65NC02". IC Datasheet: 1988 VTI ASIC. pp. 225–238.
Harrod, Dennette A. (October 1980). "The 6502 Gets Microprogrammable Instructions". BYTE. Vol. 5, no. 10. Peterborough, New Hampshire. p. 282. Retrieved 2017-01-07.

arquivo.pt (Global: 2,454^th place; English: 1,792^nd place)

"Arquivo.pt" (PDF). Archived from the original (PDF) on 2016-05-15. Retrieved 2014-10-26.

atariage.com (Global: low place; English: low place)

"AtariAge: A2600 clone, 6591 chip pinout". 3 August 2015. Archived from the original on 2020-08-05. Retrieved 2019-07-22.

atariarchives.org (Global: low place; English: low place)

Andrews, Mark (1984). "6". Atari Roots – A Guide To Atari Assembly Language. Datamost, Incorporated. ISBN 0-88190-171-7. Archived from the original on 2008-04-24. Retrieved 2008-06-14.

atarimania.com (Global: low place; English: 9,030^th place)

"FAQ 400 800 XL XE: What are SALLY, ANTIC, CTIA/GTIA/FGTIA, POKEY, and FREDDIE?". Archived from the original on 19 July 2020. named SALLY by Atari engineers, but [support documents call it] "6502 (Modified)", "6502 Modified", "Custom 6502", or "6502C". [..] SALLY 6502 chips are never marked "6502C" but, other than the UMC UM6502I, always [marked] C014806. [..] [Other] chips marked "6502C" [..] are NOT the Atari "6502C" but [standard 6502] certified for 4MHz

bitsavers.org (Global: 3,844^th place; English: 1,960^th place)

"Motorola Sues MOS Technology" (PDF). Microcomputer Digest. 2 (6). Cupertino CA: Microcomputer Associates: 11. December 1975. Archived from the original (PDF) on July 4, 2009.
"3rd Generation Microprocessor" (PDF). Microcomputer Digest. 2 (2). Cupertino, CA: Microcomputer Associates: 1–3. August 1975. Archived from the original (PDF) on 2009-07-04. Retrieved 2009-11-27.

books.google.com (Global: 3^rd place; English: 3^rd place)

Anderson, J.S. (2012-08-21). Microprocessor Technology. Routledge. p. 153. ISBN 9781136078057.
Lawrence P. Forsley. "Embedded systems: 1990 Rochester Forth Conference: June 12 – 16th, 1990 University of Rochester" Archived 2015-03-25 at the Wayback Machine. p. 51.

commodore.ca (Global: low place; English: low place)

Sugarman, Robert (25 August 1975). "Does the Country Need A Good $20 Microprocessor?" (PDF). EE Times. Manhasset, New York: CMP Publications: 25. Archived from the original (PDF) on 3 February 2007. Retrieved 5 February 2008.

commons.wikimedia.org (Global: 484^th place; English: 698^th place)

MOS Technology (November 14, 1974). "The First Single Chip Scientific Calculator Arrays". Electronics. 47 (23). McGraw-Hill: 90–91. Archived from the original on January 10, 2014. Retrieved June 4, 2012.
"MOS 6502 the second of a low cost high performance microprocessor family". Computer. 8 (9). IEEE Computer Society: 38–39. September 1975. Bibcode:1975Compr...8i..38.. doi:10.1109/C-M.1975.219074. Archived from the original on 2021-02-24. Retrieved 2012-06-04.
Signetics (October 30, 1975). "Easiest-to-use microprocessor". Electronics. 48 (22). McGraw-Hill: 114–115. Archived from the original on November 20, 2015. Retrieved November 20, 2015.
Motorola (October 30, 1975). "All this and unbundled $69 microprocessor". Electronics. 48 (22). McGraw-Hill: 11. Archived from the original on December 15, 2011. Retrieved August 8, 2010. The quantity one price for the MC6800 was reduced from $175 to $69. The previous price for 50 to 99 units was $125.

computinghistory.org.uk (Global: low place; English: 8,003^rd place)

"Apple IIe Enhancement Kit - Peripheral - Computing History". www.computinghistory.org.uk. Archived from the original on 2020-08-08. Retrieved 2023-10-23.

cpu-world.com (Global: low place; English: low place)

"8080A microprocessor – DIP 40 package". CPU World. Archived from the original on 2020-09-15. Retrieved 2020-02-24.
"Rockwell R6511Q". Archived from the original on 15 September 2020. Retrieved 30 Apr 2020.

datasheetarchive.com (Global: low place; English: low place)

"Arquivo.pt" (PDF). Archived from the original (PDF) on 2016-05-15. Retrieved 2014-10-26.

datasheetspdf.com (Global: low place; English: low place)

"Rockwell R6500/11, R6500/12 and R6500/15 One-Chip Microcomputers". 7 June 1987. Archived from the original on 3 September 2023. Retrieved 30 April 2020.

doi.org (Global: 2^nd place; English: 2^nd place)

"MOS 6502 the second of a low cost high performance microprocessor family". Computer. 8 (9). IEEE Computer Society: 38–39. September 1975. Bibcode:1975Compr...8i..38.. doi:10.1109/C-M.1975.219074. Archived from the original on 2021-02-24. Retrieved 2012-06-04.

elektronikjk.com (Global: low place; English: low place)

"8080A/8080A-1/8080A-2 8-Bit N Channel Microprocessor" (PDF). Intel. Archived (PDF) from the original on November 15, 2021. Retrieved November 16, 2021.

forth.org (Global: low place; English: low place)

Randy M. Dumse. "The R65F11 and F68K Single-Chip Forth Computers". ^{[permanent dead link]} Archived 2014-12-02 at the Wayback Machine 1984.
Ed Schmauch. "A Computerized Corrosion Monitoring System"^{[permanent dead link]}. 1986.

ghostarchive.org (Global: 64^th place; English: 28^th place)

Interview 2014, 52:30. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 54:45. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 54:40. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 55:50. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 56:30. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 55:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 57:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 58:30. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 1:01:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 1:02:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.

github.com (Global: 380^th place; English: 337^th place)

Breaking NES Book – 6502 Core (PDF) (B5 ed.). 2022-06-24. pp. 61–62. Archived (PDF) from the original on 2024-04-12. Retrieved 2023-12-24. The arrival of any interrupt is reflected on flag B, the output of which (B_OUT) forces the processor to execute a BRK instruction ...
"FLAGS". ogamespec. Retrieved 2021-05-15. B_OUT; INTERNAL DATA BUS (DB)

hackaday.com (Global: low place; English: 7,931^st place)

"Hackaday: The teensiest Atari 2600 ever". 7 April 2012. Archived from the original on 2019-07-22. Retrieved 2019-07-22.

homecomputer.de (Global: low place; English: low place)

"East-European Home-Computer: Bulgaria". HCM: Home Computer Museum. Archived from the original on 1 July 2006. Retrieved 3 October 2020.

ieee.org (Global: 912^th place; English: 722^nd place)

spectrum.ieee.org

Cass, Stephen (16 September 2021). "Q&A With Co-Creator of the 6502 Processor". IEEE Spectrum. Archived from the original on 20 September 2021. Retrieved 20 September 2021.
"Moore's Law Milestones". IEEE. 30 April 2015. Archived from the original on 2020-02-24. Retrieved 2020-02-24.

jeremyreimer.com (Global: low place; English: low place)

Reimer, Jeremy. "Personal Computer Market Share: 1975-2004". Archived from the original on 6 June 2012. Retrieved 2009-07-17.

llx.com (Global: low place; English: low place)

nparker.llx.com

Parker, Neil. "The 6502/65C02/65C816 Instruction Set Decoded". Neil Parker's Apple II page. Archived from the original on 2019-07-16. Retrieved 2019-07-16.

masswerk.at (Global: low place; English: low place)

6502 Instruction Set Archived 2018-05-08 at the Wayback Machine.

monlynx.de (Global: low place; English: low place)

"4. CPU/ROM". www.monlynx.de. Archived from the original on 2023-09-20. Retrieved 2023-10-23.

monster6502.com (Global: low place; English: low place)

"MOnSter6502 A complete, working discrete transistors (i.e. not integrated all on a single chip) replica of the classic MOS 6502 microprocessor". monster6502.com. 2017. Archived from the original on 2017-05-12. Retrieved 2017-05-01.

mpeforth.com (Global: low place; English: low place)

soton.mpeforth.com

Randy M. Dumse. "The R65F11 and F68K Single-Chip Forth Computers". ^{[permanent dead link]} Archived 2014-12-02 at the Wayback Machine 1984.

nesdev.org (Global: low place; English: low place)

"Status flags". NESdev Wiki. Archived from the original on 2024-06-11. Retrieved 2024-06-11.

pagetable.com (Global: low place; English: low place)

"Measuring the ROR Bug in the Early MOS 6502". pagetable.com. Archived from the original on 2023-03-21. Retrieved 2023-02-25.
"How many Commodore 64 computers were sold?". Archived from the original on 2016-03-06. Retrieved 2011-02-01.

patents.google.com (Global: 1,154^th place; English: 606^th place)

Motorola was awarded the following US Patents on the 6800 microprocessor family: U.S. patent 3,962,682, U.S. patent 3,968,478, U.S. patent 3,975,712, U.S. patent 3,979,730, U.S. patent 3,979,732, U.S. patent 3,987,418, U.S. patent 4,003,028, U.S. patent 4,004,281, U.S. patent 4,004,283, U.S. patent 4,006,457, U.S. patent 4,010,448, U.S. patent 4,016,546, U.S. patent 4,020,472, U.S. patent 4,030,079, U.S. patent 4,032,896, U.S. patent 4,037,204, U.S. patent 4,040,035, U.S. patent 4,069,510, U.S. patent 4,071,887, U.S. patent 4,086,627, U.S. patent 4,087,855, U.S. patent 4,090,236, U.S. patent 4,145,751, U.S. patent 4,218,740, U.S. patent 4,263,650.

powweb.com (Global: low place; English: low place)

plus4world.powweb.com

http://plus4world.powweb.com/hardware/MOS_75018501 Archived 2020-02-20 at the Wayback Machine Hardware – MOS 7501/8501

s-direktnet.de (Global: low place; English: low place)

Draco (19 June 1997). "65c02, 6502, 65816 ??? CPU sells but who's buying..." Archived from the original on 2 January 2008.

smallestplcoftheworld.org (Global: low place; English: low place)

Rockwell. "RSC-Forth User's Manual" Archived 2013-12-07 at the Wayback Machine. 1983.

stackexchange.com (Global: 4,114^th place; English: 3,027^th place)

retrocomputing.stackexchange.com

"How to implement bus sharing / DMA on a 6502 system". Archived from the original on 2020-08-15. Retrieved 2020-09-30.

stanford.edu (Global: 194^th place; English: 182^nd place)

exhibits.stanford.edu

William Mensch (October 9, 1995). "Interview with William Mensch" (Web video). Interviewed by Rob Walker. Atherton, California: Silicon Genesis Project, Stanford University Libraries. Archived from the original on March 4, 2016. Retrieved December 22, 2023. William Mensch and the moderator both pronounce the 6502 microprocessor as "sixty-five-oh-two".

sun.com (Global: 8,507^th place; English: 8,067^th place)

Corder, Mike (Spring 1999). "Big Things in Small Packages". Pioneers' Progress with picoJava Technology. Sun Microelectronics. Archived from the original on 2006-03-12. Retrieved April 23, 2012. The first 6502 was fabricated with 8 micron technology, ran at one megahertz and had a maximum memory of 64k.

swtch.com (Global: low place; English: low place)

research.swtch.com

"The MOS 6502 and the Best Layout Guy in the World". swtch.com. 2011-01-03. Archived from the original on 2014-09-08. Retrieved 2014-08-09.

swtpc.com (Global: low place; English: low place)

Cushman 1975, p. 40. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
Cushman 1975, p. 38. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
Cushman 1975, p. 36. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
Cushman 1975, p. 41. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.

uwaterloo.ca (Global: 3,649^th place; English: 2,434^th place)

ist.uwaterloo.ca

https://ist.uwaterloo.ca/~schepers/MJK/7501.html Archived 2021-07-19 at the Wayback Machine CPU 7501 / 8501

visual6502.org (Global: low place; English: low place)

"6502 BRK and B bit". VisualChips. Archived from the original on 2021-04-05. Retrieved 2021-05-15.

web.archive.org (Global: 1^st place; English: 1^st place)

"The MOS 6502 and the Best Layout Guy in the World". swtch.com. 2011-01-03. Archived from the original on 2014-09-08. Retrieved 2014-08-09.
"MOnSter6502 A complete, working discrete transistors (i.e. not integrated all on a single chip) replica of the classic MOS 6502 microprocessor". monster6502.com. 2017. Archived from the original on 2017-05-12. Retrieved 2017-05-01.
William Mensch (October 9, 1995). "Interview with William Mensch" (Web video). Interviewed by Rob Walker. Atherton, California: Silicon Genesis Project, Stanford University Libraries. Archived from the original on March 4, 2016. Retrieved December 22, 2023. William Mensch and the moderator both pronounce the 6502 microprocessor as "sixty-five-oh-two".
"Western Design Center (WDC) Home of 65xx Microprocessor Technology". www.westerndesigncenter.com. Archived from the original on 2019-04-08. Retrieved 2019-04-08.
"Motorola Sues MOS Technology" (PDF). Microcomputer Digest. 2 (6). Cupertino CA: Microcomputer Associates: 11. December 1975. Archived from the original (PDF) on July 4, 2009.
MOS Technology (November 14, 1974). "The First Single Chip Scientific Calculator Arrays". Electronics. 47 (23). McGraw-Hill: 90–91. Archived from the original on January 10, 2014. Retrieved June 4, 2012.
Cass, Stephen (16 September 2021). "Q&A With Co-Creator of the 6502 Processor". IEEE Spectrum. Archived from the original on 20 September 2021. Retrieved 20 September 2021.
Ho, Joshua (9 October 2014). "An Introduction to Semiconductor Physics, Technology, and Industry". Anandtech. Archived from the original on 24 February 2020. Retrieved 24 February 2020.
Cushman 1975, p. 40. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
"8080A microprocessor – DIP 40 package". CPU World. Archived from the original on 2020-09-15. Retrieved 2020-02-24.
Cushman 1975, p. 38. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
"Moore's Law Milestones". IEEE. 30 April 2015. Archived from the original on 2020-02-24. Retrieved 2020-02-24.
Cushman 1975, p. 36. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
Cushman 1975, p. 41. Cushman, Robert H. (September 20, 1975). "2-1/2 Generation μP's -$10 Parts That Perform Like Low-End Mini's" (PDF). EDN. 20 (17). Boston: Cahners Publishing: 36–42. Archived from the original (PDF) on 24 April 2016.
"Measuring the ROR Bug in the Early MOS 6502". pagetable.com. Archived from the original on 2023-03-21. Retrieved 2023-02-25.
"How to test a ceramic 6502 for the ROR bug? | Applefritter". Archived from the original on 2023-02-25. Retrieved 2023-02-25.
"The 6502 Rotate Right Myth". YouTube. 21 February 2023. Archived from the original on 2023-02-25. Retrieved 2023-02-25.
Sugarman, Robert (25 August 1975). "Does the Country Need A Good $20 Microprocessor?" (PDF). EE Times. Manhasset, New York: CMP Publications: 25. Archived from the original (PDF) on 3 February 2007. Retrieved 5 February 2008.
"3rd Generation Microprocessor" (PDF). Microcomputer Digest. 2 (2). Cupertino, CA: Microcomputer Associates: 1–3. August 1975. Archived from the original (PDF) on 2009-07-04. Retrieved 2009-11-27.
"MOS 6502 the second of a low cost high performance microprocessor family". Computer. 8 (9). IEEE Computer Society: 38–39. September 1975. Bibcode:1975Compr...8i..38.. doi:10.1109/C-M.1975.219074. Archived from the original on 2021-02-24. Retrieved 2012-06-04.
Signetics (October 30, 1975). "Easiest-to-use microprocessor". Electronics. 48 (22). McGraw-Hill: 114–115. Archived from the original on November 20, 2015. Retrieved November 20, 2015.
Motorola (October 30, 1975). "All this and unbundled $69 microprocessor". Electronics. 48 (22). McGraw-Hill: 11. Archived from the original on December 15, 2011. Retrieved August 8, 2010. The quantity one price for the MC6800 was reduced from $175 to $69. The previous price for 50 to 99 units was $125.
Reimer, Jeremy. "Personal Computer Market Share: 1975-2004". Archived from the original on 6 June 2012. Retrieved 2009-07-17.
"How many Commodore 64 computers were sold?". Archived from the original on 2016-03-06. Retrieved 2011-02-01.
"Apple IIe Enhancement Kit - Peripheral - Computing History". www.computinghistory.org.uk. Archived from the original on 2020-08-08. Retrieved 2023-10-23.
"4. CPU/ROM". www.monlynx.de. Archived from the original on 2023-09-20. Retrieved 2023-10-23.
Corder, Mike (Spring 1999). "Big Things in Small Packages". Pioneers' Progress with picoJava Technology. Sun Microelectronics. Archived from the original on 2006-03-12. Retrieved April 23, 2012. The first 6502 was fabricated with 8 micron technology, ran at one megahertz and had a maximum memory of 64k.
"How to implement bus sharing / DMA on a 6502 system". Archived from the original on 2020-08-15. Retrieved 2020-09-30.
"Status flags". NESdev Wiki. Archived from the original on 2024-06-11. Retrieved 2024-06-11.
"8080A/8080A-1/8080A-2 8-Bit N Channel Microprocessor" (PDF). Intel. Archived (PDF) from the original on November 15, 2021. Retrieved November 16, 2021.
Parker, Neil. "The 6502/65C02/65C816 Instruction Set Decoded". Neil Parker's Apple II page. Archived from the original on 2019-07-16. Retrieved 2019-07-16.
6502 Instruction Set Archived 2018-05-08 at the Wayback Machine.
NMOS 6502 Opcodes. Archived 2016-01-14 at the Wayback Machine.
Breaking NES Book – 6502 Core (PDF) (B5 ed.). 2022-06-24. pp. 61–62. Archived (PDF) from the original on 2024-04-12. Retrieved 2023-12-24. The arrival of any interrupt is reflected on flag B, the output of which (B_OUT) forces the processor to execute a BRK instruction ...
"6502 BRK and B bit". VisualChips. Archived from the original on 2021-04-05. Retrieved 2021-05-15.
"FAQ 400 800 XL XE: What are SALLY, ANTIC, CTIA/GTIA/FGTIA, POKEY, and FREDDIE?". Archived from the original on 19 July 2020. named SALLY by Atari engineers, but [support documents call it] "6502 (Modified)", "6502 Modified", "Custom 6502", or "6502C". [..] SALLY 6502 chips are never marked "6502C" but, other than the UMC UM6502I, always [marked] C014806. [..] [Other] chips marked "6502C" [..] are NOT the Atari "6502C" but [standard 6502] certified for 4MHz
"AtariAge: A2600 clone, 6591 chip pinout". 3 August 2015. Archived from the original on 2020-08-05. Retrieved 2019-07-22.
"Hackaday: The teensiest Atari 2600 ever". 7 April 2012. Archived from the original on 2019-07-22. Retrieved 2019-07-22.
"Rockwell R6511Q". Archived from the original on 15 September 2020. Retrieved 30 Apr 2020.
"Rockwell R6500/11, R6500/12 and R6500/15 One-Chip Microcomputers". 7 June 1987. Archived from the original on 3 September 2023. Retrieved 30 April 2020.
Randy M. Dumse. "The R65F11 and F68K Single-Chip Forth Computers". ^{[permanent dead link]} Archived 2014-12-02 at the Wayback Machine 1984.
Lawrence P. Forsley. "Embedded systems: 1990 Rochester Forth Conference: June 12 – 16th, 1990 University of Rochester" Archived 2015-03-25 at the Wayback Machine. p. 51.
Rockwell. "RSC-Forth User's Manual" Archived 2013-12-07 at the Wayback Machine. 1983.
"Rockwell R65F11 R65F12 Forth Based Microcomputers" (PDF). June 1987. Archived (PDF) from the original on 4 August 2020. Retrieved 28 Apr 2020.
"East-European Home-Computer: Bulgaria". HCM: Home Computer Museum. Archived from the original on 1 July 2006. Retrieved 3 October 2020.
http://plus4world.powweb.com/hardware/MOS_75018501 Archived 2020-02-20 at the Wayback Machine Hardware – MOS 7501/8501
https://ist.uwaterloo.ca/~schepers/MJK/7501.html Archived 2021-07-19 at the Wayback Machine CPU 7501 / 8501
Moser, Carl W. (January 1979). "Add a Trap Vector for Unimplemented 6502 Opcodes" (PDF). Dr. Dobb's Journal of Computer Calisthenics and Orthodontia. No. 31. Menlo Park, California. p. 32. Archived (PDF) from the original on 2016-06-11. Retrieved 2017-01-07.
Draco (19 June 1997). "65c02, 6502, 65816 ??? CPU sells but who's buying..." Archived from the original on 2 January 2008.
Andrews, Mark (1984). "6". Atari Roots – A Guide To Atari Assembly Language. Datamost, Incorporated. ISBN 0-88190-171-7. Archived from the original on 2008-04-24. Retrieved 2008-06-14.

westerndesigncenter.com (Global: low place; English: low place)

"Western Design Center (WDC) Home of 65xx Microprocessor Technology". www.westerndesigncenter.com. Archived from the original on 2019-04-08. Retrieved 2019-04-08.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Donohue, James F. (October 27, 1988). "The microprocessor first two decades: The way it was". EDN. 33 (22A). Cahners Publishing: 18–32. ISSN 0012-7515.

youtube.com (Global: 13^th place; English: 14^th place)

Interview 2014, 52:30. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 54:45. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 54:40. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 55:50. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 56:30. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 55:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 57:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 58:30. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 1:01:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
Interview 2014, 1:02:00. Peddle, Chuck (12 June 2014). "Oral History of Chuck Peddle" (Interview). Interviewed by Doug Fairbairn and Stephen Diamond. Archived from the original on 2021-11-18.
"The 6502 Rotate Right Myth". YouTube. 21 February 2023. Archived from the original on 2023-02-25. Retrieved 2023-02-25.

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Goodwins, Rupert (December 4, 2010). "Intel's victims: Eight would-be giant killers". ZDNet. Retrieved March 7, 2012.{{cite news}}: CS1 maint: deprecated archival service (link)

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