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Here's a benchmark program for all Dragon and CoCo machines written in 100% machine code. It uses the 50/60 Hz IRQ for timing. All displayed results are per second, and are updated in real time. It uses a concise mix of code for the CPU test, including math, jmps, jsr's, branches etc. Its the ideal ...

Nice work, Rob. I look forward to seeing more projects from you in the future.

Regards,
Steve

Hi Rob,

Just a quick to let you know that I have tested it quite thoroughly to date, and there's been no problems so far.

Regards,
Steve

Hi, You can use most joysticks if you are handy with a soldering iron. http://www.gifford.co.uk/~coredump/dragonjoy.htm http://www.flickr.com/photos/anachrocomputer/3230110392/ http://www.grempc.demon.co.uk/dragon/info/pinouts.html Joystick.gif If not, follow the link below to for more information a...

Hi Davy, It works quite well, but you have to write your programs to suit the compiler. Its been more than 20 years since I tried it, so don't ask me to be more specific. Blaby used the Sprint compiler to compile Barmy Burgers, and a few other titles. Invader Cube (aka 3D-OXO) comes with the compile...

Hi Chris, A few questions about your Dragon 64: (1) Does it display a nice sharp, clear picture on the TV via the RF output. (2) Is it capable of running at double (65495) speed for several hours without crashing. (3) Does it have a Dragon 32 type (PCB mounted) keyboard fitted, or one of the more fa...

Welcome to the forum.

Regards,
Steve

Xroar-snap-20110110-windows32 seems to work perfectly on my machine. Audio produced from cas file sounds like a real audio cassette to me.

This is Microdeal's 1985 publication of Computerware's "Junior's Revenge". This game is already in the archive, but its corrupt.

Regards,
Steve

No, its not something you can check for by examining the .cas file.