Started by Duke, 06:45, 23 June 18
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Quote from: Duke on 06:45, 23 June 18I can now set hardware breakpoints on code execution and fully monitor all HW regs, probably this will develop into at least doing snapshots on the fly.
Quote from: pelrun on 07:04, 23 June 18Implement a gdb stub on it and that would be an *amazing* device. (well, it already is, but you know, *more*)
Quote from: LambdaMikel on 01:05, 24 June 18But, in a nutshell - what is a Galaxy Zen80 board?
Quote from: tjohnson on 08:49, 24 June 18Wow this sounds great Duke what is your estimated ETC for these, I would be very interested buying one.
Quote from: GUNHED on 19:39, 24 June 18Will the features (except ROM and RAM) also be available for the native CPC-OS?
QuoteWhat exactly do you mean by FDC emulation?
Quote from: GUNHED on 15:36, 25 June 18Put me on the list too :-) The extenal version I guess, since it can be used for more CPCs by plugging and 8 MB RAM is nice too.
QuoteBut how do you address the 8 MB? And are they compatible to the 4 MB expansions? The latter one would be really important since this would support already existing 4 MB software.
Quote from: GUNHED on 17:16, 25 June 18That's just right And about the 'more than 512 KB' expansions. Up to now they are all compatible, I mean this expansions:- Tot0' Y-MEM (enhances to 1 MB via port &7Exx)- RAM7's 2 MB (enhances to 2 MB via ports &7Fxx to &7Cxx)- RPalmers 2 MB (enhances to 2 MB via ports &7Fxx to &7Cxx)- Jareks 4 MB (enhances to 4 MB via ports &7Fxx to &78xx)- Piotrs 4 MB (enhances to 4 MB via ports &7Fxx to &78xx)The all do the same using one port address for 512 KB, by decreasing the high-byte they add anothe 512 KB block.
QuoteWell, it could be absolutely cool to have a DMA on chip which can transfer inside all the 8 MB RAM :-)
QuoteAnd I really hope you can do finish your two great upcoming boards during one single life
Quote from: GUNHED on 20:55, 26 June 18Would it be possible to 'control' the new expansion by software running in ROM too? If not there will be other solutions.
Quote from: GUNHED on 09:47, 28 June 18Ok, since the Galaxy board will emulate/simulate/control RAM and ROM ... and it plugs into the CPU socket... would it be possible to run the Z80 with 8 MHz? Just take the Z80H and the CPU will be fine.I got one 6128 here running at 6 MHz, the whole system is more quick, but it won't work with 8 MHz.So in case of the Galaxy: Can there be a "switch" to speed up to 8 MHz (or even more) - except for I/O instructions (slower hardware on CPC-PCB?).Sorry for spamming your thread ;-) It's just an idea I had :-)
Quote from: Sykobee (Briggsy) on 11:30, 28 June 18What are you considering as the GX4000 configuration? 512KB + FDC + Simulated Disk Drive (Gotek compatible? Could you use FlashFloppy and attach an OLED display?) + WiFi/Bluetooth for Keyboard?
Quote from: pelrun on 07:04, 29 June 18Well since it doesn't look like I'm going to be able to lay hands on a Plus any time in the foreseeable future, I should start watching for GX4000's now...(wish I'd got one back when there was a glut... oh well)
Quote from: zhulien on 09:15, 29 June 18how about adding an 80Mhz coldfire or similar as per the Microbee?
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