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Category: Assemblers
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d64 floppy.jpg 6510+ Assembler HOT

1988 By Dave Weaver. Nice thing about this assembler is that it walks you through creating a program environment on a work disk.

08-04-15 English Commodore 64 14.49 KB 1,090.00 Download
d64 floppy.jpg AS2 HOT

AS2 is a multi-pass assembler for the Commodore 64. This particular assembler works ONLY with a 1541 or MSD-2 drive. Full docs are on the disk.

08-04-15 English Commodore 64 15.45 KB 562.00 Download
d64 floppy.jpg Assblaster v3.2 HOT

Assblaster v3.2 by Cascade is a feature rich Assembler for the Commodore 64 with built-in editor.

04-06-15 English Commodore 64 15.21 KB 579.00 Download
d64 floppy.jpg Assblaster v3.3 HOT

Assblaster v3.3 by Cascade is a feature rich Assembler for the Commodore 64 with built-in editor.

04-06-15 English Commodore 64 14.33 KB 733.00 Download
zip.png Assembler-Basic v3.0 HOT

Assember-Basic v3.0 released by USPS.  Assem-Basic is a symbolic label-based assembler ths is more than just an assembler, it's a BASIC extension that adds commands to BASIC.  Docs and sample code are on the disk.

26-08-17 English Commodore 64 41.08 KB 653.00 Download
d64 floppy.jpg CBM Assembler 64 HOT

CBM Assembler 64 v080282 has to be one of the earliest made assembler packages for the Commodore 64.  Docs for using the assembler are on the disk in a sequential file.

26-04-15 English Commodore 64 27.98 KB 893.00 Download
zip.png Commodore 64 Macro Assembler Development System HOT

Published in 1982 by Commodore, the C64 Macro Assembler Development System is a very powerful macro Assembler, editor, loaders and two machine language monitors along with other support routines.

Thanks go to BlueCursor for providing the software and manual.

Also of interest to some might be this link to the complete package on GitHub along with an additional dis-assembler, manual addendum and source.

02-06-20 English Commodore 64 15.72 KB 691.00 Download
zip.png Commodore Assembler Tutor

Commodore 64 Assembler Tutor - Two disk (.g64) image set created from originals and shared with us by Tomse over at retro-commodore.eu.  

03-12-20 English Commodore 64 9.97 MB 305.00 Download
zip.png Fassem by Merlin

Fassem by Merlin (1984) is an extremely interesting and hard to find assembler / disassembler for the Commodore 64.  I spent hours just trying to find mention of this package and all I came across is two references.  One was from the magazine Commodore User Issue 16 (small sales ad) and a for sale listing at retrogames.co.uk.  This package is pretty unique because it lets you program in a type of BASIC syntax.  Check out the manual for all the details.

Big thanks go to BlueCursor for sourcing this truely rare program and manual.

02-06-20 English Commodore 64 2.28 MB 320.00 Download
d64 floppy.jpg Fast 128 Development System HOT

FAST/128 Software Development System by L. Boere.  Unfortunately I can't remember where I got this and there is no additional documentation on the floppy image.  It appears to be an Assembler and that's about all I can tell you.  If you have further information, please drop me a line.

10-06-16 English Commodore 128 26.29 KB 535.00 Download
d64 floppy.jpg Fast Assembler v3

I can't tell you much if anything about this assembler.  It's a small 11 block program and when run comes up with the screen you can see in the screenshot.  

23-12-16 English Commodore 64 3.28 KB 490.00 Download
d64 floppy.jpg IEA Assembler

IEA - Instant Editor Assembler for the Commodore 64.    

18-03-15 English Commodore 64 30.56 KB 488.00 Download
d64 floppy.jpg IEA Assembler Rev2 Rev2

IEA - Instant Editor Assembler Rev2 Patch Robin's Software 1984

Mark Robin 18-03-15 English Commodore 64 21.32 KB 469.00 Download
zip.png Laser Genius Assembler

Laser Genius is a complete machine code development system for the Commodore 64.  You can find the manual here.

31-05-20 English Commodore 64 41.66 KB 271.00 Download
zip.png Macrofire Editor / Assembler v2.1

Macrofire v2.1 Assembler / Editor (1983) by H.C. Wagner with illegal opcodes added by T.S.D. - Probably not something people would use these days for development, but interesting to check out.

03-04-21 English Commodore 64 9.28 KB 105.00 Download
zip.png Mastercode Assembler

Mastercode Assembler by Sunshine (1983) for the Commodore 64 is ideal for those with little knowledge of machine code since its clear presentation makes the variety of tasks associated with entering machine code programs more simple to comprehend.

Here's a link to the manual.

28-10-20 English Commodore 64 41.4 KB 216.00 Download
d64 floppy.jpg Merlin 64 HOT

Merlin 64 by Glen Bredon is a Macro Assembler for the Commodore 64.

08-04-15 English Commodore 64 44.04 KB 1,155.00 Download
d64 floppy.jpg Moses 64 v2.0 HOT

Programmed by Glen Graham - Moses64 is a multi-pass assembler that uses the built in screen editor to enter your code. Full docs are on the disk with some added background information that is kinda interesting.

08-04-15 English Commodore 64 7.06 KB 577.00 Download
d64 floppy.jpg PET PAL Assembler HOT

I couldn't find much info on this program, but it is an assembler for the Commodore PET.  

03-10-15 English PET 4.69 KB 517.00 Download
zip.png Pulse Assembler

Pulse Assembler, A.K.A The Pulse, A.K.A Assembler64 MK2 by Interceptor (Original by Ian Gray - Extended by Lee Braine) is nothing fancy, but I'm sure someone might find it interesting.  I found a doc file for it, so thought I'd post it.

06-04-21 English Commodore 64 17.43 KB 125.00 Download
d64 floppy.jpg Simple Assembler HOT

Simple Assembler is just that, a small assembler program that lets you program in basic assembler type language.  Check out screenshot to get a better idea.

23-12-16 English Commodore 64 3.68 KB 547.00 Download
zip.png The Fast Assembler V3

First debuted in Compute!'s Gazette Issue 31, Here's a truly amazing machine language assembler for the 64 and 128 (in 64 mode). "Fast Assembler" supports multiple statement lines, labels, and macro-like "include" files. It can assemble to memory or to disk. Written very compactly, it occupies only about 2600 bytes, leaving the rest of memory for your source code. It also adds to the BASIC editor several new features useful to both BASIC and machine language programmers.

Thanks go to BlueCursor for this contribution.

01-06-20 English Commodore 64 2.7 MB 317.00 Download
d64 floppy.jpg The Machine Shop v1.3 HOT

The Machine Shop 1.3 by Don French and John Shifflett is an assembler for the Commodore 64 that evolved from "The Assembler" for the VIC-20.  Full instructions and walk through are on the disk.

A review of "The Machine Shop" can be found in Ahoy! magazine issue 23 on page 86.

08-04-15 English Commodore 64 77.41 KB 566.00 Download
d64 floppy.jpg Turbo Assembler v3 HOT

This version of Turbo Assembler was improved by TFS of the Supersonics. Several new features were added which you can read about on the screenshot.

08-04-15 English Commodore 64 14.66 KB 679.00 Download
zip.png Turbo Assembler v6.0 HOT
Turbo Assembler v6.0 for the Commodore 64 - Includes full docs in txt format from Project 64 inside archive. Check out cheat sheet in long description.
26-07-19 English Commodore 64 11.81 KB 763.00 Download