ZX Evolution. User manual. (ZX Evolution revision C)
Contents
1. Ne Name Description No Name Description 1 CK Clock 2 GND Ground 3 DO Data output 4 VCC5 Power 5V 5 RST Reset 6 Not used 7 Not used 8 EXCLOCK External clock 9 DI Data input 10 GND Ground 3 6 X6 RS232 communication Pins description transfer speed Communication port used for connection with other computer or communicating devices for example modem Up to 115200BOD Ne Name Description No Name Description 1 Not used 6 Not used 2 RXD Receive data 7 RTS Request to send 3 TXD Transmit date 8 CTS Clear to send 4 Not used 9 Not used 5 GND Ground Shield Connected to ground 3 7 X7 VGA 15 1413 12 11 Pins description ZX Evolution User manual Connector for monitor or TV Warning Monitor or TV must support 50Hz 31KHz video rate Please refer to monitor manual or compatible monitors list http www nedopc com zxevo zxevo_supported_monitors pdf Ne Name Description No Name Description 1 R Red 9 VIDEOVCC J3 open not used J3 short 5V 2 G Green 10 GND Ground 3 B Blue 11 GND Ground 4 Not used 12 Not used 5 Not used 13 HS Horizontal synchronization 6 GND Ground 14 VS Vertical synchronization 7 GND Ground 15 CSYNC J2 open not used J2 short composite synchronization 8 GND Ground Shield Shield connect to ground 3 8 X8 RGB video out x8 1 Connector for monitors or TV via SCAR2. button from ATX case soft reset without restart ATMEGA 128 if shorted few time J7 HRDY gt IP opened HRDY controlled IP pull down to GND if closed J8 NMI key opened Set NMI to Z80 if shorted J9 hard reset opened Hard reset with restart ATMEGA 128 if shorted key Connect Reset button of AT or ATX case VD3 HDD Led Connect HDD LED from AT or ATX case VD6 PWR Led Connect PWR LED from AT or ATX case 1 If set contacts instead VD3 led on board for example boards from NedoPC 2 If set contacts instead VD6 led on board for example boards from NedoPC 13 ZX Evolution User manual 5 ZXBUS slots ZX Evolution have two slots compatible to ZXBUS standard B31 B1 ZXBUS pin step is 2 54mm A31 Al First pin have square pad First pin is near to rear side of ATX case Warning ZXBUS cards key must placed to first pins side of slot If ZXBUS card not have key please refer to ZXBUS card user manual If you install ZXBUS card incorrectly than ZXEvolution board may be malfunction Warning ZX Evolution developer not guaranteed correct working ZXBUS cards from other developers ZX Evolution developer not test ZXBUS cards from other developers Testing must be organized by ZXBUS cards developer Warning If ZXBUS card need 12V power on slot than J4 jumper on ZX Evolution board must be shorted Slot pins description Ne
3. A OR 15 6 Installation ZX Evolution to miniITX microATX ATX CASO oooooconococoncconcconnncnononanoconcnnonc conan nccnnnnss 17 TE XSEVOlUution AA O od 18 8 Appendix 1 Connecting li A A A A A A alesis od 19 9 Appendix 2 Floppy Civic saesnec ea E a O ere toni E a a E 20 10 Appendix 3 Additional PS2 keyboard functions only for baseconf configuration and EVO reset service ROM cooonnconicnocnocononcnnconnonnnconananccnnnnos 21 ZX Evolution User manual 1 Introduction ZX Evolution is Spectrum compatible computer Computer based on programmable logic device Altera EP1K50Q208 and has flexible architecture but board content original main chips Z80 sound coprocessor floppy controller ZX Evolution board designed by miniITX standard for easy installation to mini TX mATX or ATX case Main features Z80 on 3 5MHz standard 7 MHz turbo mode without wait circles 14MHz mega turbo mode with wait circles 4 MBytes RAM 512KBytes ROM flash ROM MiniITX form factor support ATX or 5v 12v power supply 2 ZXBUS slots Peripheral controller ATMEGA128 PS 2 keyboard mouse interface IDE interface parallel ATA one channel up to 2 devices on master slave mode SD HC memory card interface Floppy disk interface based on WDC1793 support up to 4 drives RS232 interface Integrated RS232 USB bridge Realtime Calendar RTC Sound interfaces AY38910 YM2149F beeper pwm Joystick and mechanical original key
4. Keyboards led ScrollLock is light on VGA mode PrintScreen Generate NMI non masked interrupt to CPU NumLock Switch tapeout beeper mode for line out Keyboards led NumLock is light on tapeout mode left mouse button right mouse button numpad Reset mouse resolution to default value left mouse button right mouse button numpad Increase mouse resolution left mouse button right mouse button numpad Decrease mouse resolution 0 zero F12 press 0 press F12 unpress F12 unpress 0 Set ROM to Evo service mode 20
5. Name Description Ne Name Description Al Al4 14 address line of CPU Bl A15 15 address line of CPU A2 A12 12 address line of CPU B2 A13 13 address line of CPU A3 5V Power 5V B3 D7 7 data line of CPU A4 DCDOS TRDOS enabled B4 Not used AS Not used BS Not used A6 GND Ground B6 DO 0 data line of CPU A7 GND Ground B7 IDI 1 data line of CPU A8 Not used B8 D2 2 data line of CPU A9 A0 0 address line of CPU B9 D6 6 data line of CPU A10 Al 1 address line of CPU B10 DS 5 data line of CPU All A2 2 address line of CPU Bll D3 3 data line of CPU A12 A3 3 address line of CPU B12 D4 4 data line of CPU A13 IORQGE Disable other devices io catch B13 INT Interrupt A14 GND Ground B14 NMI Non masked interrupt A15 CSROMCE Enable ROM selection B15 HALT CPU halt A16 IRS Switch ROM pages B16 MREQ CPU memory request A17 Not used B17 IORQ CPU io request A18 Not used B18 RD CPU read data A19 BUSRQ CPU bus request B19 WR CPU write data A20 RES Reset B20 Not used 14 ZX Evolution User manual A21 A7 7 address line of CPU B21 WAIT CPU wait A22 A6 6 address line of CPU B22 Not used A23 AS 5 address line of CPU B23 Not used A24 A4 4 address line of CPU B24 MI M1 state of CPU A25 CSROM ROM selected B25 RFSH Refresh A26 BUSAK CPU bus acknowledge B26 A8 8 address line of CPU A27 A9 9 address line of CPU B27 A10 10 address line of CPU A28 All 11 address line
6. like PC realization Operation Action Power ON Short briefly soft reset J6 PWR SW or for ATX power supply Short briefly hard reset J9 RES SW Power OFF Short soft reset J6 PWR SW to 5 second duration for ATX power supply CPU reset Short briefly soft reset J6 PWR SW Full reset Short briefly hard reset J9 RES SW 3 If set contacts instead VD3 led on board for example boards from NedoPC 4 If set contacts instead VD6 led on board for example boards from NedoPC 5 Floppy drive is not mandatory ZX Evolution work normally without it 6 IDE drive is not mandatory ZX Evolution work normally without it 16 ZX Evolution User manual 7 ZX Evolution firmwares ZX Evolution content MCU ATMEGA 128 and EPROM 29F040 MCU ATMEGA 128 is next functionality e Control peripheral devices convert interfaces to ZX Spectrum standarts e Load configuration to EP1K50QC208 on power up or hardware reset of ZX Evolution e Update firmwares Firmware ATMEGA 128 content two parts BOOTLOADER non modified part for update or modify other firmware part of MCU see documentation of bootloader This part flashed by special MCU programmer device You can update bootloader on new release only via special MCU programmer device e Configuration part whose control peripheral devices and load EP1K50QC208 Some developers can to create different configurations Exist s
7. 3 GND Ground 4 Not used 5 KEY key no contact 6 DS3 Select 3 drive D 7 GND Ground 8 IDX Index 9 GND Ground 10 DSO Select 0 drive A 11 GND Ground 12 DS1 Select 1 drive B 13 GND Ground 14 DS2 Select 2 drive C 15 GND Ground 16 MOTON Motor on 17 GND Ground 18 DIRC Direction 19 GND Ground 20 STEP Step 21 GND Ground 22 WD Write data 23 GND Ground 24 IWG Write enable 25 GND Ground 26 TROO Track 0 27 GND Ground 28 WP Write protect 29 GND Ground 30 RDDATA Read data 31 GND Ground 32 SIDE1 Side select 33 GND Ground 34 Not used 3 2 X2 IDE 2 IDE40M 40 Connector for IDE parallel ATA drives Supported up to two drives on master slave mode First pin have square pad 7 Pins description Ne Name Description No Name Description 1 RESET Reset 2 GND Ground 3 D07 Data7 4 D08 Data8 5 D06 Data6 6 D09 Data9 7 D05 Data5 8 D10 Data10 ZX Evolution User manual 9 D04 Data4 10 D11 Datall 11 D03 Data3 12 D12 Datal2 13 D02 Data2 14 D13 Datal3 15 DO1 Datal 16 D14 Datal4 17 D00 Data0 18 D15 Datal5 19 GND Ground 20 KEY KEY no contact 21 Not used 22 GND Ground 23 DIOW 24 GND Ground 25 DIOR 26 GND Ground 27 IORDY 28 Not used 29 Not used 30 GND Ground 31 Not used 32 Not used 33 DAI Address 34 Not used 3
8. 5 DAO Address0 36 DA2 Address 37 CS0 Select0 38 CSI Select 39 DASP Indicator 40 GND Ground 3 3 X3 Printer non full LPT 2 Connector for Printer recommends to use EPSON compatible printer First pin have square pad 4 IDC26LPT 25 Pins description Ne Name Description No Name Description 1 STROBE Strobe 2 Not used 3 DATAO O bit of data 4 ERROR Error 5 DATA1 1 bit of data 6 Not used 7 DATA2 2 bit of data 8 Not used 9 DATA3 3 bit of data 10 GND Ground 11 DATA4 4 bit of data 12 GND Ground 13 DATAS 5 bit of data 14 GND Ground 15 DATA6 6 bit of data 16 GND Ground 17 DATA7 7 bit of data 18 GND Ground 19 Not used 20 GND Ground 21 BUSY Busy 22 GND Ground 23 PE Paper end 24 GND Ground 25 Not used 26 KEY KEY no contact ZX Evolution User manual 3 4 X4 JTAG for EP1K50Q208 Pins description First pin have square pad Connector for programming FPGA EP1K50Q208 via JTAG interface with ByteBlasterMV or other programming device Ne Name Description Ne Name Description 1 TCK Clock 2 GND Ground 3 TDO Data output 4 3V3 Power 3 3V 5 TMS Mode select 6 Not used 7 Not used 8 Not used 9 TDI Data input 10 GND Ground 3 5 X5 AVR ISP for ATMEGA 128 Connector for programming ATMEGA 128 via ISP with ByteBlasterMV or Pins description other programming device First pin have square pad
9. Description Ne Name Description 11 ZX Evolution User manual 1 VCCS Power 5V 3 GND Ground 2 GND Ground 4 VCC12 Power 12V 3 21 PWR2 ATX power 2 1 ATXPOWER 10 Connector for ATX power supply Pins description Ne Name Description Ne Name Description 1 Not used 11 Not used 2 Not used 12 Not used 3 GND Ground 13 GND Ground 4 VCCS Power 5V 14 PS ON Power on 5 GND Ground 15 GND Ground 6 VCCS Power 5V 16 GND Ground 7 GND Ground 17 GND Ground 8 PWRGOOD Power is good 18 Not used 9 VCC5STBY Standby 5V 19 VCC5 Power 5V 10 VCC12 Power 12V 20 VCCS Power 5V 3 22 GB1 Battery holder Holder for RTC battery Please use CR2032 batteries 3 Volt 12 4 Jumpers and button ZX Evolution User manual No Name Default value Description Jl enable opened Enable IDE reset signal to IDE drives if shorted It need to IDERES some old drives for example Samsung 10Gb drives J2 enable opened Enable composite synchronization to VGA if shorted composite sync to VGA J3 enable 5V opened Enable 5V to VGA if shorted to VGA J4 12v enable opened Enable 12V power supply to slots if shorted J5 external opened Enable external clock to ATMEGA128 from AVR ISP clock connector X5 J6 soft reset opened Soft reset or power switching key connect PWR SW
10. NF and EPROM image recommend in same time cause new version of BASECONF may not work with old version of EPROM and vise verse EVO RESET SERVICE can update EPROM in itself see documentation 7 http www nedopc com zxevo rom zxevo_firmware_update_eng pdf 17 ZX Evolution User manual 8 Appendix 1 Connecting display ZX Evolution can to use two types of monitors e VGA monitors e TV monitors VGA monitors connect via VGA X7 connector on ZX Evolution Warning Switch VGA TV mode of ZX Evolution by Scroll Lock keyboard button If you use BASECONF firmware from NedoPC Scroll Lock keyboards indicator light in VGA mode Warning VGA monitor must support 48 8 Hz for using with ZX Evolution List of supported monitors are in ZX Evolution project page ZX Evolution revision C content special connector X8 X9 for RGB TV monitor You can connect monitor via SCART RGB connector on TV or via PAL coder PAL coder Connecting via PAL coder require special cable like shown in l scheme l 23 RGBS 6 el e lee l g gt x8 0000 6 8 xo RGBS Sg Connecting via SCART require special cable like shown in scheme Warning TV monitor must support RGB mode in SCART You can use VGA X7 connector for connecting TV monitors You must short J2 and J3 for required signals composite synchronization and 5V power on X7 in this case 8 http www nedopc com zxevo zxevo supported m
11. S 5 row of original keyboard 7 ZXROW6 6 row of original keyboard 8 ZXROW7 7 row of original keyboard 9 RST Reset 10 ZXCOL4 4 column of original keyboard 11 ZXCOL3 3 column of original keyboard 12 ZXCOL2 2 column of original keyboard 13 ZXCOL1 1 column of original keyboard 14 ZXCOLO 0 column of original keyboard 15 GND Ground 16 JOYL Left of joystick 17 JOYR Right of joystick 18 JOYU Up of joystick 19 JOYD Down of joystick 20 JOYF Fire of joystick ZX Evolution User manual 3 12 1 Using Kempston and Sinclair joysticks Sinclair 1 Sinclair 2 Kempston Function ZX X12 Function ZX X12 Function X12 keyboard shorted pins keyboard shorted pins shorted pins button button left 1 4 14 left 6 5 10 left 15 16 right 2 4 13 right CA 5 11 right 15 17 down 3 4 12 down 8 5 12 up 15 18 up 4 4 11 up 9 5 13 down 15 19 fire 5 4 10 fire 0 5 14 fire 15 20 3 13 X13 Mini USB USB RS232 bridge out For connecting to other computer in USB slave mode 3 14 Pins description X14 AVR JTAG for ATMEGA 128 Connector for programming ATMEGA 128 via JTAG ICT First pin have square pad Ne Name Description No Name Description 1 TCK Clock 2 GND Ground 3 TDO Data output 4 VCC Power 5V 5 TMS Mode select 6 PRGRST Reset 7 VCC Power 5V 8 Not used 9 TDI Data input 10 GND Ground 3 15 X15
12. T Recommends to use couple with X9 for PAL coder First pin have square pad Pins description Ne Name Description No Name Description 1 R Red 2 G Green 3 B Blue 4 CSYNC Composite synchronization 3 9 X9 Video out power supply x9 3 10 1 GND ground 2 VIDEOVCC 5V Recommends to use couple with X8 for PAL coder First pin have square pad X10 3 5 Audio out Connector for headphone or speaker Shield connect to ground ZX Evolution User manual 3 11 X11 PS 2 keyboard and mouse Connector for PS 2 keyboard and mouse Keyboard connect into near from board bottom socket Mouse connect into far from board top socket Shield connect to ground oz Pins description Ne Name Description No Name Description 1 DATA Keyboard data 7 DATA Mouse data 2 Not used 8 Not used 3 GND Ground 9 GND Ground 4 5V Power 5V 10 5V Power 5V 5 CLK Keyboard clock 11 CLK Mouse clock 6 Not used 12 Not used 3 12 X12 Joystick and original ZX keyboard Connector for original ZX keyboard or joystick First pin have square pad Pins description Ne Name Description No Name Description 1 ZXROWO 0 row of original keyboard 2 ZXROW1 I row of original keyboard 3 ZXROW2 2 row of original keyboard 4 ZXROW3 3 row of original keyboard 5 ZXROW4 4 row of original keyboard 6 ZXROW
13. Tape in out X15 Connector for tape device 3l 4 First pin have square pad Pins description Ne Name Description No Name Description 1 IN Tape input 2 GND Ground 3 OUT Tape output 4 GND Ground 3 16 X16 Audio out duplicate X10 215 Connector for headphone or speaker e r P 1 4 First pin have square pad 10 ZX Evolution User manual Pins description Ne Name Description No Name Description 1 LOUT Left 2 GND Ground 3 GND Ground 4 ROUT Right 3 17 X17 X18 X20 Audio in NE Connector for external audio sources for example CDROM NeoGS TurboSound 1234 First pin have square pad Pins description Ne Name Description No Name Description 1 LIN Left 2 GND Ground 3 GND Ground 4 RIN Right 3 18 X19 RS232 communication duplicate X6 Communication port used for connection with other computer or communicating devices for example modem Up to 115200BOD transfer speed First pin have square pad Pins description Ne Name Description No Name Description 1 Not used 2 RXD Receive data 3 TXD Transmit data 4 Not used 5 GND Ground 6 Not used 7 RTS Request to send 8 CTS Clear to send 9 Not used 10 VCC 5V 3 19 X21 Tape IN duplicate X15 For connecting tape device 3 20 PWR1 Power Connector for non standard power supply 12V 5V GND Pins description Ne Name
14. ZX Evolution User manual ZX Evolution revision C B e Hi version 03 25 2013 www nedopc com ZX Evolution User manual Table of contents Intro o E le shah ee Noahs eRe 3 DADO ATG NAV OU A het eatin ea Ones ane EE Ned mvc ry nere Nera E welt thao 4 DAs OMMOCLONS A aide SES SE BEDER SES OR Ne OMNES EAE he GN ceed Renee 5 Sl Xl Floppy disk alla ln lc 5 32 ARA E a A ARA NE E AN EE A 6 33 X3 AA A coe en ee 6 3 4 X4 JTAG for EPR OS RE a e ei Das 7 35 X5 AVR ISP OLA TMEGA Sa a naa 7 3 6 X6 RS232 COMMUNICA ON as wuss gain tuner herskere end eje sag carisehadaely end SN OE TEKKA tan EAE 8 ITAR N GA ote Ses O 8 328 XS RGB A A aa soa cata pean a ee Cade gs 9 3 9 X9 Video DU POWer suppl ys ronn iia 9 3 10 X 10 3 5 Audio Us 9 EA A ON 9 3 12 X12 Joystick and original ZX KEDAR A A 10 3 12 1 Using Kempston and Sinclair jOYStiCKS o ooonnncnnnccnnocnnocaconncnonananccnnnoconancncnnnncccnnnnnno 10 3 13 X13 Mini USB USB RS232 bridge OUL a ao 11 3 14 X14 AVR JTAG for ATMEGA 28 npn ae EE o 11 IIS XIS TON 11 3 16 X16 Audio out duplicate SE 0 2544 iriiri ir aE here Ea tee 11 3 17 XIV X18 X20 AO 12 3 18 X19 RS232 communication duplicate X ooooonnccinoconoconocaconccoonnconnonancconccnonc cnn no rana cnnncinns 12 3 19 X21 Tape IN duplicate KFS esnia its 12 3 20 PWR I POWT innn nna a ii 12 SL PWR2 AIX POW Oreiro di 13 3 22 OBL Battery DOI a E E se i a 13 4 Jumpers and butto A O 14 ZAS OS
15. board interface Tape interface input output RGB video out SCART compatible VGA scan doubler ZX Evolution User manual 2 Board layout Layout of components and connectors on board SD Card Holder PS2 Keyb Mouse X7 DB15VGA vc cc ec N ZX Keyboard Joystick COO O OOO O x NO RxF OO S OO iS fe e ZXSLOT RAM2 J OOOO ATXPOWER MSM5118160F JS MSM5118160F JS ISO OOOO OOOO PWR2 xo r KR1818VG93 29F040 gt D3 1 CICIO OCIO OOC O OO ER lzeaceezorec Dl o fl FDD34M 00000000000000000 xe C JAC JAC JAK JAK JAC JAC JAK eve JAK JAC JE Most usable connectors place to ATX cases window Board use standard ATX or 5v 12v power supply Warning Only ZXBUS compatible devices may installed to slot for example NeoGS sound card http www nedopc com gs ngs php 3 Connectors 3 1 X1 Floppy disk 2 FDD34M Pins description ZX Evolution User manual to four devices First pin have square pad Connector for floppy drive s 3 5 or 5 25 Supported up Ne Name Description No Name Description 1 GND Ground 2 Not used
16. ervice configuration for tuning and testing ZX Evolution board Configurations stores in special file zxevo_fw bin Warning NedoPC support two configurations TEST amp SERVICE configuration for tuning and testing ZX Evolution after soldering This configuration can flash EPROM 29F040 BASECONF base configuration This configuration is base and example for ZX Evolution Base configuration developed by NedoPC Other developers can use source of base configuration like example for own configurations Warning NedoPC not support configurations from other developers and not guaranteed correct functionality of ZX Evolution EPROM 29F040 content Z80 subprograms for working ZX Evolution in ZX Spectrum mode Basic48 Basic128 TRDOS and etc Flashing image stored in binary file zxevo rom size of image must correspond size of EPROM 29F040 Other developers may arrange of EPROMs content on own needs You can use TEST amp SERVICE configuration for flashing or updating EPROM Upload TEST amp SERVICE configuration to ZX Evolution via BOOTLOADER e Copy zxevo rom to SD memory card and set it on ZX Evolution Select update menu in TEST amp SERVICE configuration and flash EPROM e Upload working configuration for example BASECONF via BOOTLOADER to ZX Evolution Warning NedoPC version of EPROM image based on EVO RESET SERVICE This version of EPROM used in couple with BASECONF configuration from NedoPC Updating new version BASECO
17. of CPU B28 5V Power 5V A29 5V Power 5V B29 12V Power 12V A30 GND Ground B30 GND Ground A31 On XS1 IORQGE2 B31 On XS1 IORQ2 On XS2 not used On XS2 not used 15 ZX Evolution User manual 6 Installation ZX Evolution to minilTX microATX ATX case ZX Evolution board designed for easy installing to mini TX micro ATX or ATX case Warning ZX Evolution not complected with brackets and fixates Steps l 2 Gy ne Bes a Set CR2032 battery or compatible to GB1 holder on board Set board to cases frame Set frame into case Connectors X21 X10 X7 X13 X6 XSD1 X11 must placed to window on rear side of case Connect cases power supply to PWR2 Connect RES SW from Reset button on case to J9 hard reset on board Connect PWR SW from Power button on case to J6 soft reset on board Connect IDE LED from Ide led on case to VD3 on board positive contact have square pad Connect PWR LED from Power led on case to VD6 on board positive contact have square pad Set floppy drive s into case connect power supply to drive s and connect to X1 via ribbon cable Warning Ribbon cable of floppy drive not compatible with standard PC ribbon cable Scheme of ribbon cable see in appendix Set IDE drive s into case connect power supply to drive s connect to X2 via ribbon cable Warning Installing two IDE drives may be only in master slave mode Power supply controlled
18. onitors pdf 9 http www nedopce com PALCODER palcoder php 18 ZX Evolution User manual 9 Appendix 2 Floppy drive Floppy controller on ZX Evolution distinguish from PC controller in selecting drives method Floppy controller based on WDC1793 support up to four floppy drives PC floppy drives is selected like B drive on ZX Evolution by default For connecting two drives to ZX Evolution use special ribbon cable AnckoBOA B AnckoBOa A floppy B floppy A oO 00 O oo oO oO oa oO O oO oo oO oO oO oO O TRDOS use double density DD diskettes Some modern floppy drives not support DD diskettes it need to correcting hardware Close hole by non transparent glue tape on HD 3 5 diskettes for using it in DD mode floppy drive detect it like double density diskette HD open hole DD cl hol Switch RW RO 19 10 ZX Evolution User manual Appendix 3 Additional PS2 keyboard functions only for baseconf configuration and EVO reset service ROM PS2 keyboard combination Function F12 Soft reset Equal to soft reset J6 jumper on board Reset CPU only without reconfiguration Warning If F12 pressed 5 second then power switch off only for ATX power supply Ctr Alt Del Hard reset Equal to hard reset J9 jumper on board Reset and reconfiguration ZXEvo board ScrollLock Switch VGA TV mode for video out
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