Markus Gritsch's Blog (5)

HybridSID - Emulated CPU, Real SID Chip

Hi,

I made a SID-shield for my custom CUI32 board. It contains a SID 8580R5 sound chip from a Commodore C64, an OLED display and a few buttons and switches for user input. Schematics, firmware, and some pictures of the project are available here:…

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Added by Markus Gritsch on June 1, 2011 at 4:00pm — No Comments

Maximite PIC32 BASIC Board

Hi,

the Maximite (http://geoffg.net/maximite.html) is another PIC32 board, which can be programmed in BASIC. Its BASIC has even floating point numbers, and pixel-draw commands to draw graphics on a connected VGA or composite display.

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Added by Markus Gritsch on April 21, 2011 at 5:06pm — No Comments

Updated UBW32 from SparkFun

Hi,

SparkFun now sells the USB 32-Bit Whacker (UBW32, don't confuse it with the CUI32 :) with a PIC32MX795.

Added by Markus Gritsch on March 9, 2011 at 11:11am — No Comments

CUI32 as USB Soundcard

Hi,

I compiled the Microchip "USB Device - Audio - Speaker" example for the CUI32. The necessary code changes were straight forward to make. It took just a few minutes to get it working. The source code and the compiled .hex file for usage with the bootloader can be downloaded here:

http://cui32.googlecode.com/files/soundcard.zip

Audio out is available on RD0. The Microchip example uses just 8 bit PWM, so… Continue

Added by Markus Gritsch on September 3, 2010 at 10:12am — 1 Comment

SID Player Firmware

Hi,

I managed to compile the TinySID library for the CUI32. This library can play music from the Commodore 64 by emulating its 6502 CPU and 6581 SID (Sound Interface Device). Everything is done in software -- no additional hardware is needed.

Usage: Connect a headphone or line-in to the RD0 pin. Different tunes can be selected by pressing the PROG button on the CUI32.

The firmware can be downloaded from Google Code:… Continue

Added by Markus Gritsch on May 8, 2010 at 3:00pm — 3 Comments