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Содержание System 80

Страница 1: ...mAnuAL...

Страница 2: ...the System 80 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 m the APPENDIX very u...

Страница 3: ...on 3 2 Power On Preparation 5 3 Video Display format 6 4 Keyboard and Cassette 7 5 Program loading g 6 Program Saving 10 7 Second Cassette Recorder 11 8 System Reset 12 9 Software 12 APPENDIX A Techni...

Страница 4: ...rocessing Unit I O devices and a mass storage device These are the Z80 CPU a keyboard a video interface and a resident cassette recorder The EG 3003 has resident 16 Kilobytes of RAM Random Access Memo...

Страница 5: ...xpansion box is designed to be connected to main unit More peripherals can then be linked to the system by plugging their standard interface cards into the S 100 bus mother board S 100 bus is now a st...

Страница 6: ...he display unit irst then the System 80 g A message READY will be displayed on the top left corner of the display h I no 9E ADY message is displayed go to step a and check again i After the READY mess...

Страница 7: ...DEO CUT button is off The user may select 32 characters per line by pressing the VIDEO CUT button 3 3 32 CHARACTERS LINE FORMAT a Press the VIDEO CUT button on the back panel b Press the PAGE button o...

Страница 8: ...ich is an exponent sign used by the System CTL move the cursor to the beginning of the next line SH IFT CTL I tab function move the cursor 8 spaces to the right SHIFT CTL Y same as print CHR 23 See se...

Страница 9: ...gram s beginning e Type in CLOAD 1 r 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 while the second command...

Страница 10: ...al b Type in LIST and hit the NEW LINE key The entire program will be listed on the display c Type in RUN and hit the NEW LINE key The computer starts executing the program new lineJ NEW LINE WARNING...

Страница 11: ...CORDER 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 RECORDE...

Страница 12: ...alled M from cassette 2 ii CSAVE 2 M save a program onto cassette 2 iii PRINT 2 A B C store the variables Ar B and character string C onto cassette 2 iv INPUT 2r A B C input the variables A B and char...

Страница 13: ...er 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 improper initiali...

Страница 14: ...L 1 V peak to peak PECIFICATIOflf 0 3 V peak to peak 0 5 A max at 6 V DC 2 V peak to peak Negative sync pulse DIN JACK PIN CONNECTIONS FOR ADDITIONAL CASSETTE 1 REMOTE 2 SIGNAL GROUND 3 REMOTE 4 INPUT...

Страница 15: ...dock 31 PINT INTERRUPT 32 NC NO CONNECTION 33 NC NO CONNECTION 34 PHLDA PROCESSOR HOLD ACKNOWLEDGE 35 PHANTOM PHANTOM 36 HALT HALT ACKNOWLEDGE 37 PWAIT PROCESSOR WAIT 38 10RQ INPUT OUTPUT REQUEST 39 P...

Страница 16: ...FFF 7FFF 3CO0 3FFF 3800 37 FF 2FFF 0000 FOR EXPANSION 16K RAM RPPEDDIH B mEmoftv mfip 6 i o mflp VIDEO DISPLAY MEMORY RESERVED FOR KEYBOARD ROM I O PORT ASSIGNMENT CASSETTE INTERFACE FF FE PRINTER INT...

Страница 17: ...3D 3E 3F 13 CR AUTO LF SPACE J 36 37 43 44 1 2 3 7 8 60 63 40 64 41 64 42 66 43 67 44 68 45 69 46 70 47 71 48 72 49 73 4A 74 48 75 4C 76 4D 77 4E 78 4F 79 50 80 51 81 52 82 53 83 54 84 55 85 56 86 57...

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