Activity
From 07/08/2017 to 08/06/2017
07/22/2017
- FO 09:06 PM EclaireXL Bug #56: Galaxian Cartridge crash
- This works on the latest core I'm using (lets call it v15 - address decoder rework!)
- FO 09:04 PM EclaireXL Address decoding rewrite - tricky, tricky!
- So I decided to rewrite the address decoding and priority access to fix the timing issues. Currently the 'address decoder' has a load of random stuff in it. Multiple bus masters come in (6502, dma and antic) and it chooses who has priori...
07/20/2017
- ND 10:06 PM EclaireXL Bug #56 (Closed): Galaxian Cartridge crash
- i tried the physical 8k Galaxian cart on the Eclaire with Core v13 and the game crash 2sec into the demo screen
the same game in CAR format loaded form the eclaire menu works fine
its the physical cart that crash
07/19/2017
- FO 08:14 PM EclaireXL Feature #55 (New): Replace main CPU
- I really find the stack based zpu annoying to debug. Also as its setup the rom is full.
Consider replacing with something newer, also with gcc support, such as https://github.com/SpinalHDL/VexRiscv.
07/17/2017
- FO 08:11 PM EclaireXL 917k's setup!
- I'm sure you've already seen Steve's great setup, but if not go and see here. Very nice work:-)
http://atariage.com/forums/topic/267845-my-eclairexl-a-salute-to-the-atari-400-my-first-atari-computer/
I'm still working away on the cor...
07/15/2017
- FO 09:47 PM EclaireXL Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)
- This is the last thing remaining for V15. In order to do it (simply) I decided to allow off PBI access from turbo mode and zpu. That seems to work now, except its failing timing. I think I need to plumb the internal freezer in differentl...
- FO 09:44 PM EclaireXL Bug #25 (In Progress): F10 Hard Reset Ignore inserted cartridge (Core v7)
07/09/2017
- FO 01:25 PM EclaireXL Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)
- I'm using block ram in the FPGA for the OS ROM and BASIC. It can be read in 2 cycles and written to in 1 cycle. SDRAM takes about 5-6 iirc. So in turbo mode, with no cpu cache, this makes a huge difference in speed.