It sounds like a great project. How far are you on with your design ?? Are you putting it onto a PCB or something else ?
I have quite a few components laid around if you want any ... CPLD EPM7128SLC84s, Z84C0020PECs, W27C512s.. I've only got SRAMs 128k x8bit or 512K x 8 bit 55ns or 70ns. On 24 March 2013 16:50, VELESOFT <[email protected]> wrote: > ** > I now work on my project SAM COUPE clone :-D > > Z80CPU 20MHz > 2MB RAM (16bit fast data bus) > 512kB FLASH EPROM > CPLD chips as ASIC replacement and next features... > SAA1099 soundchip > System bus compatible with sam coupe > ZX mode compatible with ZX128 > > VELESOFT > > ----- Original Message ----- > *From:* Leslie Anderson <[email protected]> > *To:* [email protected] > *Sent:* Sunday, March 24, 2013 3:28 PM > *Subject:* Sam Coupe project..making a real SAM in hardware ?? > > Hi. > > I'm new to the SAM COUPE group and wondered would anyone be interested in > making a homebrew SAM-COUPE ?? > > It would have an improved spec. on the original: > > Z84C0020 20MHz Z80 > 512K SRAM ( KM68400,K6T4008 etc) > 64K or so EEPROM W27C512 > CPLDs as glue logic for video, memory and I/O decoding, serial and > parallel input,output RS232, LPT1 etc > SAA1099 sound chip > V9958 +128K RAM as second VDP for sprites etc > possible using a micro-controller for PS/2 mouse / keyboard and joystick > input. > > Should cost about £30 for ICs and stuff plus another £50 for a one-of > prototype PCB. > > Anyone interested ?? > > Best Regards > >
