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Category: Commodore 64 Articles
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pdf0 6502 Language Implementation Approaches

Dwheeler.Com-David A Wheelers 6502 Language Implementation Approaches

Dwheeler.Com-David A Wheelers 6502 Language Implementation Approaches
28-04-17 English PDF 148.07 KB 577 Download
pdf1 6510 Addressing Modes

6510 Addressing Modes

Dustlayer.Com-Whatever You Like - Coming To Addressing Modes
28-04-17 English PDF 43.96 KB 585 Download
pdf2 A 256 Byte Autostart Fast Loader For The Commodore 64

A 256 Byte Autostart Fast Loader For The Commodore 64

A 256 Byte Autostart Fast Loader For The Commodore 64
28-04-17 English PDF 233.76 KB 816 Download
pdf3 A History of Gaming Platforms The Commodore 64

A History of Gaming Platforms The Commodore 64

A History of Gaming Platforms The Commodore 64
26-04-17 English PDF 1.26 MB 713 Download
pdf4 Accessing Laser Printers for Commodore

Accessing Laser Printers for Commodore

Accessing Laser Printers
28-04-17 English PDF 27.2 KB 536 Download
pdf5 Assembler Tutor 1

Assembler Tutor 1

assembler-tutor-11
11-10-20 English PDF 241.26 KB 384 Download
doc6 Assembler Tutorial 1

Assembler Tutorial 1

assembler-tutor-10
28-04-17 English PDF 241.26 KB 621 Download
pdf7 Assembly In One Step

Assembly In One Step

Assembly In One Step
28-04-17 English PDF 85.57 KB 598 Download
pdf8 C64 Assembler Tutorial

C64 Assembler Tutorial

C64.Ch-C64 Assembler Tutorial
28-04-17 English PDF 100.78 KB 663 Download
pdf9 C64 Online

C64 Online

C64online
28-04-17 English PDF 355.74 KB 611 Download
txt10 C64 Rom Dissasembly

C64 Rom Dissasembly

28-04-17 English 228.65 KB 612 Download
pdf11 C64 Telnet BBS Guide HOT

Nice little guide on how to call Commodore 64 BBS systems using telnet instead of a dial-up modem.

c64 telnet bbs guide
02-05-15 English PDF 1.32 MB 960 Download
doc12 C64 Tricks and Tips

C64 Tricks and Tips

c64-tricks-and-tips
28-04-17 English PDF 13.04 KB 724 Download
pdf13 CBM Commodore C64 Tape Routines Exposed [2023 Rev 3]

Commodore 64 ROM Tape Routines Disassembly and Documentation by Fungus/Nostalgia 8/2023 Revision 3

Acknowledgements for resources and references used:

  • Nick Hampshire (C64 Rom Disassembly)
  • Luigi Defraia (TCE) (CBM Tape Loader Format)
  • Tom Roger Skauen (SLC) (Bouncing thoughts, confirmation of data)
  • Martin Piper (Timing Code verification)
  • Michael Steil (mist64) (CBM Source Code, final verifications)
  • Pontus Berg (Bacchus) Inspiration

This document was created in order to gain a complete understanding of the tape routines, to correct errors in other documents, and for fun.

cbm-commodore-c64-tape-routines-exposed
24-08-23 English PDF 89.33 KB 51 Download
doc14 CC65 Tutorial

CC65 Tutorial

28-04-17 English 201.5 KB 544 Download
pdf15 Clockport Expander

Clockport Expander

Clockport Expander
28-04-17 English PDF 269.68 KB 557 Download
pdf16 Clockslide How To Waste An Exact Number Of Clock Cycles On The 6502 HOT

Clockslide How To Waste An Exact Number Of Clock Cycles On The 6502

Clockslide How To Waste An Exact Number Of Clock Cycles On The 6502
28-04-17 English PDF 173.03 KB 3,082 Download
pdf17 Comal On The Commodore 64

Comal On The Commodore 64

Comal On The Commodore 64
28-04-17 English PDF 217.41 KB 597 Download
zip18 Commodore 64 Memory Expansion

Written by Marko Mäkelä  and Pekka Pessi, this is an extremely detailed guide on adding memory to the Commodore 64.  The guide has in depth coverage of the chip level upgrade and information on how to work with the expanded memory in both BASIC and ML.

c64_memory_expansion
25-04-17 English PDF 239.58 KB 856 Download
docx19 Commodore 64 PETSCII Codes

Commodore 64 PETSCII Codes

28-04-17 English 95.66 KB 540 Download
pdf20 Commodore 64 VIC Guide

Commodore 64 VIC Guide

Commodore 64 Vic Guide
28-04-17 English PDF 152.05 KB 586 Download
pdf21 Commodore C64 SID Note Values

Commodore C64 SID Note Values

Commodore C64 Sid Note Values1
28-04-17 English PDF 233.44 KB 686 Download
pdf22 Commodore Copy Protection

A Technical Overview of Commodore Copy Protection

Commodore Copy Protection
26-04-17 English PDF 910.41 KB 772 Download
zip23 Commodore Formats

This document is a really nice reference for the various file/compression formats you'll find on the Commodore platform.  Most of this information has been written and compiled by Peter Schepers.

10-06-16 English Windows 186.13 KB 613 Download
zip24 Commodore IEC Dissected

This document describes the IEC-bus information gathered during the development of the 1541-III.

commodore-iec-disected
17-01-21 English PDF 570.72 KB 463 Download
txt25 Disk Format Layout

Disk Format Layout

28-04-17 English 19.18 KB 629 Download
pdf26 GCR Decoding On The Fly

GCR Decoding On The Fly

GCR Decoding On The Fly
28-04-17 English PDF 102.46 KB 579 Download
doc27 Hacking The V-1541

Hacking The V-1541

28-04-17 English Windows 57 KB 517 Download
pdf28 Hello World In C64 Assembly

Hello World In C64 Assembly

Hello World In C64 Assembly
28-04-17 English PDF 623.18 KB 658 Download
pdf29 Help With MMC2IEC And SD2IEC HOT

Help With MMC2IEC And SD2IEC

Help With Mmc2iec And Sd2iec - Mmc2iec - Forum-64
28-04-17 English PDF 137.45 KB 920 Download
doc30 How To Add 32k Ram To A 1541
28-04-17 46 KB 625 Download
docx31 How To Emulate An Ide64 Using Vice 2
28-04-17 10.46 KB 489 Download
txt32 Inside RRnet
28-04-17 4.42 KB 517 Download
zip33 Installing Image BBS 3.0 in VICE

Excellent article bt Al Derosa on how to install the Commodore 64 Image BBS v3.0 into the VICE emulator.  There is also some excellent historical information in this guide on the development of Image BBS over the years and the NISSA association.

installing-imagebbs-3.0-in-vice
01-07-23 English PDF 1.11 MB 49 Download
pdf34 Jiffydos 6.01 ROM Dump HOT

Jiffydos 6.01 ROM Dump

Jiffydos 6.01 Rom Dump
28-04-17 English PDF 179.71 KB 1,375 Download
doc35 Kracker Jax Revealed 1
28-04-17 591.5 KB 580 Download
doc36 Kracker Jax Revealed Trilogy
28-04-17 747.5 KB 570 Download
pdf37 Machine Code Programming On The C64

Machine Code Programming On The C64

Machine Code Programming On The C64
28-04-17 English PDF 70.91 KB 531 Download
pdf38 Making Stable Raster Routines

Making Stable Raster Routines

Making Stable Raster Routines
28-04-17 English PDF 70.9 KB 555 Download
zip39 Micro SwinSID an AVR based SID replacement (Review)

This is a review of the Micro SwinSID with some pictures and details about the SID replacement.

Micro SwinSID  an AVR based SID Replacement
31-08-19 English PDF 206.26 KB 387 Download
pdf40 Passing Strings Between Basic And Ml

Passing Strings Between Basic And ML

Passing Strings Between Basic And Ml
28-04-17 English PDF 36.5 KB 493 Download
zip41 Postscript Printing for the Commodore
Postscript Printing for the Commodore postscript-printing-for-the-commodore
21-09-19 English PDF 19.79 MB 355 Download
doc42 Power C Shell Environment Assemblers
28-04-17 50 KB 591 Download
pdf43 Putting The C64 Online

Putting The C64 Online

Putting The C64 Online1
28-04-17 English PDF 355.74 KB 497 Download
pdf44 Quick Start To C64 ML Programming

Quick Start To C64 ML Programming

Quick Start To C64 Ml Programming
28-04-17 English PDF 28.67 KB 596 Download
pdf45 Random Numbers In Machine Language For Commodore 64

Random Numbers In Machine Language For Commodore 64

Atarimagazines.Com-Random Numbers In Machine Language For Commodore 64
28-04-17 English PDF 45.94 KB 635 Download
pdf46 Rear Admiral Ebay Ad

Rear Admiral Ebay Ad

Rear Admiral Ebay Ad
28-04-17 English PDF 358.89 KB 591 Download
pdf47 Rear Admiral Review

The Rear Admiral is a clone of the Ltk. Kernal hard drive for the Commodore 64.

Rear Admiral Review
28-04-17 4.24 MB 639 Download
zip48 Reu Programming.Html
28-04-17 4.96 KB 426 Download
pdf49 Running A Commodore 64 Emulator On Linux Mint HOT

Running A Commodore 64 Emulator On Linux Mint

4digits.Net-Running A Commodore 64 Emulator On Linux Mint
28-04-17 English PDF 582.9 KB 953 Download
pdf50 SD2IEC 0.9.1 - Commodore 64 (C64) Forum

SD2IEC 0.9.1

Sd2iec 0.9.1 - Commodore 64 C64 Forum
28-04-17 English PDF 179.84 KB 481 Download
pdf51 Shuffle Cards In Memory For C64

Shuffle Cards In Memory For C64

Shuffle Cards In Memory For C-64
28-04-17 English PDF 45.3 KB 418 Download
pdf52 SID File Format Info

SID File Format Info

Sid File Format Info
28-04-17 English PDF 18.51 KB 447 Download
doc53 Super Snapshot Version 5
28-04-17 238.5 KB 581 Download
zip54 TapeCart Tutorial

This is a nice review and tutorial from Mingo's Commodore Page.

the-tapecart-tutorial-for-the-commodore-64
06-10-19 English PDF 1.08 MB 870 Download
zip55 The C64 PLA Dissected v1.1

The programmable logic array (PLA) in the Commodore 64 (C64) is used to create chip select signals from various other signals, e.g., from the current address. These signals control which chip is to be connected to the data bus. Therefore the PLA is responsible to implement the memory map of the C64.

the-c64-pla-dissected-v1.1
17-01-21 English PDF 2.78 MB 338 Download
txt56 Turboass
28-04-17 18.33 KB 459 Download
pdf57 UCUGA 08-04

UCUGA 08-04

Ucuga0804
28-04-17 English PDF 665.5 KB 566 Download
pdf58 UIEC-SD Documentation

UIEC-SD Documentation

Uiec-Sd Documentation
28-04-17 English PDF 109.75 KB 410 Download
d64 floppy59 Useful Pokes and Peeks

This is just a text file with many useful POKES and PEEKS for the Commodore 64.

17-10-15 English Windows 1.97 KB 636 Download
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