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Old 25th Jun 2019, 10:41 pm   #4
Timbucus
Octode
 
Join Date: Mar 2019
Location: Barry, Vale of Glamorgan, Wales, UK.
Posts: 1,362
Default Re: My Breadbin collection.

I enjoyed programming the C64 as it had a bit of complexity with the hardware support for sound and graphics and was probably the first machine I saw banking (between ROM and RAM) on. I of course had a cartridge with the debugger on!

This was also the only machine we ever had recourse to use a scope to debug software on - it seems that 1 in 4 or so VIC chips has some different timing which caused problems with The Illustrator - I can't remember if it was where the display was split wasn't right (likely) or the 'rubber band' line going invisible. On the three we had in the office we never saw it, people started reporting it so we went out and bought another one and the effect appeared! I now again have a reasonably good condition one and a "day to day" one on which the SID sadly has a dead channel! I was lucky to get a SD2IEC and a fast loader cartridge which work really well alongside the otherwise very slow 1541 disk drive!

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