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Just sent an email to Dave about some free Colecovision kits : Hi. Can you pop a message on the MTX forum asking if anyone wants one of my Colecovision Homebrew kits ? The kit is roughly as below. Z84C0020VEC PLCC Can be overclocked ?? maybe as high as 28MHz ?? UM61512 SDIP 32 64K Fast SRAM W27C512 ...

Hi. I have some 'Super' Z80 , namely Z8S18033 33MHz Z180s, these are high spec legacy ICs on a par with say an Intel386i type CPU. Having serial port, MMU,DMA,CTC etc on Chip with programmable wait state generator for slow ROM/RAM & I/O. These are Ideal for design a Super Z80 system. I've alread...

Perhaps some people are getting carried away with their designs !.....Best to keep things simple chaps And remember : The hombrew Computer: The Ten Commandments : 1 Though shall keep your design simple 2 Use easily sourced components 3 Use affordable ICs 4 Use standard connectors 5 Use standard prot...

The kits will consist of : Z84C0020PEC CPU (20Mhz MAX rating) 128K SRAM 70ns or so 64K EEPROM 45ns or so EPM7128SLC84 (for glue logic) GALs (16V8, 20V8, 22V10) Miscellaneous Programmable logic V9958 VDP + D41464 DRAMs SN76489 PSG Sound IC Z84C9010 KIO (has CTC,PIO,SIO in one IC) 10Mhz 8255 PIO for c...

Hi. I'm having a clearout and geting RID of my Electronics books... there's probably about 40 books.. including The Art of electronics, electronics Principles, numerous books on computer/microprocessor interfacing, Z80, 68000, Digital electronics , programmable logic, C, C++ etc.. and on and on !! T...

An idea that the web uses as a means to fund projects. Though I seriously doubt that anyone has genuinely raised any significant funds this way. There's just too many scams and stuff on the web for anyone to take this seriously.

Hi. I was recently discussing the cost of designing a MTX type system (Z80, V9958 video etc) I was given several ball part figures from companies from £ 7k-10k with a 4 week design time. I initially though it may be possible to get a small business start-up grant from my local Business Enterprise Ag...

I have some Z80 Kits going begging (free) just email and I'll send you one.

Z84C0020VEC PLCC44
128K/32K SRAM DIP
64K EEPRON DIP/PLCC
GAL22V10 or similar
CPLD MAX EPM7128 or MACH PLCC84
V9958 VDP plus D41464 4pcs DRAMs
7805 Voltage Reg
etc.......

@@@@ I'll post for FREE.. @@@@

For anyone interested in buying old legacy ICs then I source my stuff from China at pretty competitive rates. example : the kit below cost $16.50 about £11 !! that's with free postage from China ! Kit 1 Z84C0020VEC PLCC44 28HC256-70 or W27C512PLCC CY62256-70 skinny DIP GAL20V8 EPM7128LC84 PLCC84 V99...

Hi. I've decided to postpone the Z80 course for TWO weeks to see if there's more interest...! I'm also producibng a draft document as a course companion...so we can muddle our way through it better..... I hope. This will include a week by week guide and schematics for parts like the V9958 and sound ...