EACA EG3003 User Manual Download Page 1 | Manualshive

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Summary of Contents for EG3003

Page 1: ......

Page 2: ...ew of the Video Genie System is provided so that you will find no difficulty in understanding and expanding your system Moreover higher level computer users will find the technical information in the...

Page 3: ...ystem Reset Sofnnrare Page TRBLE OF 3 5 6 7 6 10 11 12 12 APPENDIX A Technical specifications 8 Memory map and l O map C ASCII table SOUND OUTPUT Now you can enjoy programs with music and star war sou...

Page 4: ...ins a Central Processing Unit l O devices and a mass storage device These are the 280 CPU a keyboard a video interface and a resident cassette recorder The EG3603 has resident 16 Kilobytes of RAM Rand...

Page 5: ...tional S 100 bus expansion box is designed to be connected to the main unit More peripherals can then be linked to the system by plugging their standard interface cards into the S 100 bus mother board...

Page 6: ...he power of the display unit first then the Video Genie System A message READY will be displayed on the top left corner of the display If no READY message is displayed go to step a and check again Aft...

Page 7: ...never the computer is turned on and the VIDEO CUT button is off The user may select 32 characters per line by pressing the VIDEO CUT button 3 3 3 4 32 CHARACTERS LINE FORMAT a Press the VIDEO CUT butt...

Page 8: ...cancel the character previously typed ESC the display echoes a sign which is an exponent sign used by the System CTL move the cursor to the beginning of the next line SHlFT CTL I tab function move the...

Page 9: ...the position of the program s beginning e Type in CLOAD 1 N where N represents the name of the program or type in CLOAD The former command tells the computer to search for the suitably named file whil...

Page 10: ...pe in LIST and hit the NEW LINE key The entire program will be listed on the display Type in RUN and hit the NEW LINE key The computer starts executing the program WARNING CASSETTE LOADING Although th...

Page 11: ...should be off 6 2 Program Saving a Type in CSAVE 1 N where N represents a file name b Press the RECORD and PLAY key simultaneously c Hit the NEW LINE key The red light labelled CASSETTE RECORDER shou...

Page 12: ...i CLOAD 2 M load a program called M from cassette 2 ii CSAVE 2 M save a program onto cassette 2 iii PRlNT 2 A B C store the variables A B and character string C onto cassette 2 iv INPUT 2 A B C input...

Page 13: ...the printer 3 executing an inappropriate POKE instruction The CPU is reset everytime when the power is on Turning the system off and on immediately is not a good practice because it may cause imprope...

Page 14: ...ING CAPACITY 0 5 A maxat V DC VIDEO OUTPUT 2V peak to peak 21 CbNNECTORS PIN ASSIGNMENTS Negative sync pulse DIN JACK PIN CONNECTIONS FOR ADDITIONAL CASSETTE 1 REMOTE 2 SIGNAL GROUND 3 REMOTE 4 INPUT...

Page 15: ...47 48 49 50 5v SUPPLY NO CONNECTION A10 Al3 All Al2 PHI PlNt NC NC PHLDA PHANTOM HALT PWAIT IORQ PHOLD iii RD CCDBSBTADBS MREQ m mm Lii RESET RFSH NMI GND GND 1 79 MHz clock INTERRUPT NO CONNECTION N...

Page 16: ...MEMORY MAP FFFF 7FFF 3COO 3FFF 3800 37 F F 2FFF 0000 100 PORT AS810NMENT FOR EXPANSION 16K RAM VIDEO DISPLAY MEMORY RESERVED FOR KEYBOARD ROM CASSETTE INTERFACE FF FE PRINTER INTERFACE FD 16...

Page 17: ...38 56 39 57 3A 58 38 59 3c 60 3D 61 3E 62 3F 63 CR AUTO LF SPACE II z 0 1 2 3 4 5 6 7 8 9 1 2X HEX DECIMAL CHARACTER 40 41 42 43 44 45 46 47 48 49 4A 4B 4c 4D 4E 4F 50 51 52 53 54 55 56 57 58 59 5A 58...

Page 18: ...nd the tape until the counter indicates the program s start 4 Press the PLAY key 5 Turn the volume towards the HIGH side 6 When the program signal comes the meter deflects and the volume should be adj...

Page 19: ...5K ROM routines The computer is fitted with an exclusive 1 5K extension to the Microsoft 12K BASIC featuring upper and lower case flashing cursor auto repeat keyboard screen print machine language mo...

Page 20: ...kip the printing process instead of locking up itself in waiting Once the SCREEN PRINT function is activated both alphanumeric and graphic characters on the screen will transfer to the printer Only th...

Page 21: ...locations the up arrow key will step back through the memory Use any other key to exit to the display of register contents 3 R Modify registers This command allows modification of any of the 280 regi...

Page 22: ...by inserting an instruction CALL 3347H into the breakpoint location When the instruction is executed all registers will be saved and the former instruction in the breakpoint location will then be rest...

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