Archive for the ‘Computing’ Category

Commodore 64 Programming

Posted: 5 May 2015 in Computing, Retro

This is a sample of my first serious attempt at programming the Commodore 64.  It’s a game that I started (at least conceptually) 25 years ago.  I was finally able to display a sprite and animate it over a scrolling map background.  Lots more work to do though…

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A program that a friend of mine wrote on the Commodore 64 to promote my father’s expanding video store business. This would often play on a TV in his main store to attract potential partners. He also used a printed version of it when he met with people. This is screen capture of the program running in VICE, an emulator for Mac OS X (et al). I pulled the program from the original disk I had with a device called the ZoomFloppy that interfaces modern computers with the Commodore 1541 disk drive.

A gallery of sprites I made on the Commodore 64 circa 1984. I used “Sprite Magic”, a type-in program which was featured in a magazine called Compute!’s Gazette, to create the sprites. These were to be used in an adventure game, but I never did finish it. This gallery is taken from an actual 5 1/4″ Commodore 1541 floppy disk that I copied to .d64 format for use on an emulator on my MacBook.

I ran across this the other day and wanted to repost it.

Making a C64/C65 compatible computer in an FPGA

It’s a project by Dr. Paul Gardner-Stephen to develop a Commodore 64 / Commodore 65 compatible system in a field-programmable gate array (FPGA). There have been other similar projects for the Commodore 64, but not a hardware version of the Commodore 65 (a successor to the C64, but was unreleased to the mass market, with only a few of the prototypes being sold) that I know of.

What I like about this is that Dr. Gardner-Stephen (in his own words) “purposely used an off-the-shelf FPGA board, so no one has to wait for a PCB production run. Just buy yourself a Nexys4 board and get a spare SD card 2GB or less in size.”

Specs for the board are here (on the Digilent website – not an advertisement, just the first site I ran across).

I’m looking forward to seeing a completed version of a hardware (FPGA) Commodore 64.

Two-Nexys4s-ethernet

VNC ViewerScreenSnapz009

Flyer advertising an Atari game tournament at my father’s video and computer store, Computavid, on Saturday November 6th, 1982.

Computavid_Atari_Tournament

Screenshots of the competition games…

Megamania

MegaMania(1982)(Activision)

Cosmic Ark (space)

ca_space_shoot

Cosmic Ark (surface)

Cosmic_Ark_2600_ScreenShot4

Atlantis

atlantis_atari_2600_2

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The 2014 Interactive Fiction Competition doesn’t officially open until July, but in the meantime check out their new website. Going on 20 years now, IFComp is (according to their website):

The 2014 Interactive Fiction Competition doesn’t officially open until July, but in the meantime check out their new website. Going on 20 years now, IFComp is (according to their website):

The Interactive Fiction Competition is an annual event begun by passionate hobbyists in 1995 to encourage both the creation and the discussion of new interactive fiction works (also known as IF). While the definition of IF has evolved in the years since then, the IFComp’s format and schedule have remained stable since the 1990s. Anyone can judge the entries on a one-to-ten scale, and the laurels go to the entries receiving the best average rating.

Inform 7, an interactive fiction authoring language/suite, has a new release. 

http://inform7.com/download/

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