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INMC 80 News

INMC-80 News was an English Nascom magazine, published between 1980 and 1982. After Nascom’s financial difficulties it followed INMC News.

INMC 80 News mutated once more and became 80-Bus News.

Table of Contents


Topic Author Ca­te­gory Ma­ga­zine Is­sue Page
Contents INMC 80 News 1 1
‘HE’ speaks – Chairman’s Bit Dave Hunt INMC 80 News 1 2
Nascom is dead – long live Nascom INMC 80 News 1 3
Letters INMC 80 News 1 4
Vector Graphics in BASIC Martin Taylor Basic INMC 80 News 1 5
Hints and tips D.​ Walker Basic INMC 80 News 1 6
Mas­ter­mind game mods G.​Benson As­sem­bler INMC 80 News 1 8
USR sub­rou­tines and how to use them Robert Edlin Basic INMC 80 News 1 9
Print HL in Decimal J.​ Addey
Richard Beal
As­sem­bler INMC 80 News 1 11
Checksum Routines As­sem­bler INMC 80 News 1 12
ZEAP output to printer Richard Beal As­sem­bler INMC 80 News 1 14
Con­ver­sion of T4 to NAS-SYS Richard Beal As­sem­bler INMC 80 News 1 15
Dots – Make your own cha­rac­ters INMC 80 News 1 16
Hex -> ? – Reserved Words, and Graphics INMC 80 News 1 18
Z80 made simple – The kiddie’s guide to Z80 assembler program­ming – Part 1 D.​R.​ Hunt As­sem­bler INMC 80 News 1 19
S100 – Readers’ Replies Hard­ware INMC 80 News 1 22
PIO pages – Usng the PIO or ‘Space invaders meet the Nascom PIO’ Martin Dyer Hard­ware INMC 80 News 1 24
Nascom I/O Board review D.​R.​ Hunt Re­view INMC 80 News 1 26
Port Probe and Key Pads from Bits & P.​C.​s review Rory O’Farrell Re­view INMC 80 News 1 28
3M personal computing cassettes D.​ Brough Hard­ware INMC 80 News 1 28
Re­view of Co­tis-Bland­ford Cassette Interface J.​R.​ Keneally Re­view INMC 80 News 1 29
4 MHz without Wait states Hard­ware INMC 80 News 1 30
PASCAL Notes – Tiny Pascal Rory O’Farrell Pascal INMC 80 News 1 31
Z80 Books – Books and the Z80 Rory O’Farrell INMC 80 News 1 32
Doctor Dark’s Diary – Episode 6 Chris Black­more INMC 80 News 1 34
Quicksort Basic INMC 80 News 1 35
Useful POKEs in Nascom BASIC Basic INMC 80 News 1 36
Graphics sub­rou­tine Basic INMC 80 News 1 36
Index to INMC News­letters 1 – 7 INMC 80 News 1 37
As­sem­blers & NAS-SYS Rory O’Farrell As­sem­bler INMC 80 News 1 40
HALT Z80 instruc­tion Richard Beal As­sem­bler INMC 80 News 1 41
BASIC programs that run them­selves Richard Beal Basic INMC 80 News 1 42
Cassette I/O relia­bility Hard­ware INMC 80 News 1 44
2400 Baud Cassette & 300 Baud TTY for Nascom 2 Hard­ware INMC 80 News 1 45
Convert ZEAP 1.1 file to 2.0 As­sem­bler INMC 80 News 1 46
8A PSU warning Hard­ware INMC 80 News 1 46
NAS-SYS 3 – Improved version of NAS-SYS 1 INMC 80 News 1 47
Very Official – To whom it may concern Law­rence INMC 80 News 1 48
Topic Author Ca­te­gory Ma­ga­zine Is­sue Page
Contents INMC 80 News 2 1
HIM again – Chairman’s bit D.​R.​ Hunt INMC 80 News 2 2
Letters INMC 80 News 2 4
Machine Code Pro­gram­ming David Lorde As­sem­bler INMC 80 News 2 4
Vector Graphics in BASIC modifi­cations K.​ Kishimoto Basic INMC 80 News 2 6
Reserved Word print B.​E.​ Kelly As­sem­bler INMC 80 News 2 7
New­bear/​Co­tis Blandford Cassette Interface tips Rory O’Farrell Hard­ware INMC 80 News 2 9
Disk Systems D.​R.​ Hunt As­sem­bler INMC 80 News 2 13
Screen Control Unit kit review from R.​W Elec­tronics Re­view INMC 80 News 2 16
Doctor Dark’s Diary – Episode 7 Chris Black­more INMC 80 News 2 17
Keyboard modifi­cations Derek Brough Hard­ware INMC 80 News 2 22
I/O Board review update Re­view INMC 80 News 2 22
Back to Basics – In Holiday in Basic R.​ White Basic INMC 80 News 2 24
Z80 made simple – Part 2 D.​R.​ Hunt As­sem­bler INMC 80 News 2 26
Load and Tab – with checksums As­sem­bler INMC 80 News 2 31
A Calendar in BASIC John Waddell Basic INMC 80 News 2 34
RAM card track fault M.​ Kuczynski Hard­ware INMC 80 News 2 36
Strings – The Variable Protector M.​D.​ Hendry Basic INMC 80 News 2 37
Integer Pascal review Rory O’Farrell Re­view INMC 80 News 2 40
Datron Integer Pascal – Re­view Richard Beal Re­view INMC 80 News 2 42
MAPP 1-4Z Floating Point Arith­me­tic package review Richard Beal Re­view INMC 80 News 2 43
Par­kin­son BASIC Toolkit review Richard Beal Re­view INMC 80 News 2 44
Im­per­sonal – Scur­ri­lous Musings Guy Klueless INMC 80 News 2 45
Z80 Books – Book Re­view – Practical Micro­computer Pro­gram­ming – The Z80 Rory O’Farrell Re­view INMC 80 News 2 46
Z80 and 8080 Assemble Language Pro­gram­ming – Re­view Rory O’Farrell Re­view INMC 80 News 2 47
BASIC – A compa­rative review of two toolkits for Nascom James Weather­son-Roberts Re­view INMC 80 News 2 48
PRINT USING James Weather­son-Roberts Basic INMC 80 News 2 50
Watkins BASIC Toolkit review A.​D.​ Mathison Re­view INMC 80 News 2 52
Sim­pli­fied Modular Prose machine code listing INMC 80 News 2 56
Space Invaders machine code listing (designed to run at 2MHz) As­sem­bler INMC 80 News 2 57
Topic Author Ca­te­gory Ma­ga­zine Is­sue Page
Contents INMC 80 News 3 1
HIM – Chairman’s bit D.​R.​ Hunt INMC 80 News 3 2
Too Expensive? P.​A.​ Green­halgh Editorial INMC 80 News 3 3
Letters INMC 80 News 3 4
Startrek modifi­cation Ray Ridgwell Basic INMC 80 News 3 4
Load Nasbug tapes into NAS-SYS Paul de Bak As­sem­bler INMC 80 News 3 5
Running T4 on Nascom 2 (switched with NAS-SYS) David Roberts Hard­ware INMC 80 News 3 6
Corrup­tions solved with power wiring Doug Taylor Hard­ware INMC 80 News 3 6
Graphics – N1 displays 16 lines per character but N2 only 14 D.​ Smith Hard­ware INMC 80 News 3 7
CRT display and speed control cor­rec­tion Dave Lorde Hard­ware INMC 80 News 3 8
Chase game scoring modifi­cation G.​M.​ Clarke As­sem­bler INMC 80 News 3 8
Check sums with NAS-SYS Rob Sheratt As­sem­bler INMC 80 News 3 9
Henry’s BASIC Toolkit review response David Par­kin­son Re­view INMC 80 News 3 10
Mas­ter­mind mods again D.​ Ritchie As­sem­bler INMC 80 News 3 11
Traffic Lights INMC 80 News 3 11
Keyboard KMAP display D.​ Ritchie As­sem­bler INMC 80 News 3 12
Fire control software loop for games D.​ Ritchie As­sem­bler INMC 80 News 3 13
Nascom 1 I/O port decoding D.​ Ritchie Hard­ware INMC 80 News 3 14
32K→48K Expansion (circuit on p.​ 15) John Fisher Hard­ware INMC 80 News 3 16
Opinion – Who’s afraid of the micro chip? It’s only a paper wolf, after all Rory Johnston INMC 80 News 3 18
Doctor Dark’s Diary Chris Black­more INMC 80 News 3 20
Clubs – Local Clubs and Groups INMC 80 News 3 22
Disks again – Gemini Disk System Dave Hunt Hard­ware INMC 80 News 3 23
Ge­mi­ni/​Hen­elec Disk System with D-DOS Mersey­side Nascom Users Group Hard­ware INMC 80 News 3 24
Key­board/​Disk Problem Hard­ware INMC 80 News 3 27
Multi-mapping a Nascom 2 C.​ Bowden Hard­ware INMC 80 News 3 27
Im­per­sonal – Scur­ri­lous Musings Guy Klueless INMC 80 News 3 30
I/O Systems Graphics Board review Richard Bateman Re­view INMC 80 News 3 31
Z80 As­sem­bler made simple – Pt 3 D.​R.​ Hunt As­sem­bler INMC 80 News 3 32
Where – Relo­cata­ble code return instruc­tion As­sem­bler INMC 80 News 3 38
Printers Pie Len Ford Hard­ware INMC 80 News 3 39
My IBM’d Nascom C.​B.​ Frater Hard­ware INMC 80 News 3 40
Misc.​ Video Problems S.​C.​ Willmott Hard­ware INMC 80 News 3 42
Yet another PRINT USING routine J.​C.​ Curtis Basic INMC 80 News 3 43
Moot point Dave Hunt INMC 80 News 3 43
Video load glitch on IC65 Hard­ware INMC 80 News 3 44
Video display weave Hard­ware INMC 80 News 3 44
Serial and parallel pin connec­tions diffe­rences on N1 and N2 Hard­ware INMC 80 News 3 44
Interrupt daisy chain Hard­ware INMC 80 News 3 45
A$ problem in BASIC at 4MHz on an N2 Basic INMC 80 News 3 45
Blocks A and B workings with IC46 Hard­ware INMC 80 News 3 45
Gemini G805 /​ ‘Henelec’ Disk System Rules INMC 80 News 3 45
Machine Code Pro­gram­ming for Nascom 1 and 2 K.​ Hamlyn As­sem­bler INMC 80 News 3 46
If Music Be… – Musical Nascoms M.​L.​ Trim INMC 80 News 3 47
Very Official Law­rence INMC 80 News 3 48
ERWSM­TFTH – Cartridge Drive or Stringy Floppy? C.​W.​ Hobbs Hard­ware INMC 80 News 3 49
How to save strings or string arrays on tape in BASIC David Red­ding­ton Basic INMC 80 News 3 51
Jumper.​ – Restart Jump multi­plexer for Nascom 1 M.​V.​A.​ Slberry Hard­ware INMC 80 News 3 52
Topic Author Ca­te­gory Ma­ga­zine Is­sue Page
Contents INMC 80 News 4 1
The ‘Boss’ – Chairman’s Bit D.​R.​ Hunt INMC 80 News 4 2
Letters to the Ed.​ INMC 80 News 4 4
Nascom 1 PL1 cor­rec­tion T.​ Bailie Hard­ware INMC 80 News 4 6
I/O Systems Graphics Board review comment L.​J.​ Noble Re­view INMC 80 News 4 7
Space Invaders machine code comment and modifi­cations A.​ Read As­sem­bler INMC 80 News 4 9
Reset Jump cor­rec­tion to INMC80/​3 Rory O’Farrell Hard­ware INMC 80 News 4 12
Naspen – unkilling your text P.​ Copping As­sem­bler INMC 80 News 4 12
Printers and Naspen C.​R.​ Bruce INMC 80 News 4 12
Space Invader sounds R.​ Cutler As­sem­bler INMC 80 News 4 13
Clubs INMC 80 News 4 15
Video flashing and BUSREQ Richard Bateman Hard­ware INMC 80 News 4 16
BASIC Toolkit again Richard Bateman Basic INMC 80 News 4 16
RAM and Page Mode Richard Bateman Hard­ware INMC 80 News 4 16
HiSoft NASPAS Pascal for Nascom review Rory O’Farrell Re­view INMC 80 News 4 18
Pascal – 4 compilers Rory O’Farrell Pascal INMC 80 News 4 21
NEWBUS – NASBUS and 80-BUS – Full Specifi­cation D.​R.​ Hunt Hard­ware INMC 80 News 4 24
BASIC internal routines Steven Han­sell­man Basic INMC 80 News 4 31
HOMILIES (- are they legal!?) INMC 80 News 4 32
Dr.​ D’s Diary
Win­ches­ter Tech­no­lo­gy WT910 Sound Board review
Chris Black­more Re­view INMC 80 News 4 33
Win­ches­ter Tech­no­lo­gy WT100 Proto­typing Board review Chris Black­more Re­view INMC 80 News 4 34
Pilot Inter­preter with source code P1 Chris Black­more As­sem­bler INMC 80 News 4 35
1.5 Mbaud – Gemini EPROM board and Paging David Par­kin­son Hard­ware INMC 80 News 4 41
Z80 Guide – The kiddies guide to Z80 assembler program­ming – Part 4 D.​R.​ Hunt As­sem­bler INMC 80 News 4 45
Video Memory Map chart with Hex addresses INMC 80 News 4 52
Easycomp Pro­gram­mable Sound Generator review Kevin Smith Re­view INMC 80 News 4 54
BMF Engi­neering Music Board review Ian Hen­der­son Re­view INMC 80 News 4 54
Gemini Products in 1981 Hard­ware INMC 80 News 4 55
Imprint driver for the IMP printer Rory O’Farrell Hard­ware INMC 80 News 4 58
Game Idea – Piranah Fish INMC 80 News 4 60
Z80 Ops J.​ Rollason As­sem­bler INMC 80 News 4 61
Strings in BASIC (again) Gerhard T.​ Klement Basic INMC 80 News 4 64
Im­per­sonal – Scur­ri­lous Musings Guy Klueless INMC 80 News 4 68
Topic Author Ca­te­gory Ma­ga­zine Is­sue Page
Contents INMC 80 News 5 1
The ‘DH’ Show – The Chairman’s Bit D.​R.​ Hunt INMC 80 News 5 2
Letters INMC 80 News 5 7
Restoring BASIC program pointers B.​M.​ Farelly Basic INMC 80 News 5 7
Space Invaders key and speed routines Mark Taylor As­sem­bler INMC 80 News 5 7
Video – more on flashing Stephen Prince Hard­ware INMC 80 News 5 9
NAS-PAS 3 Pascal from HiSoft trig additions post 1 May 1981 Rory O’Farrell Pascal INMC 80 News 5 9
ZEAP and printers C.​G.​ Richards As­sem­bler INMC 80 News 5 10
NASBUG to NAS-SYS patches W.​H.​ Turner As­sem­bler INMC 80 News 5 11
CAT – Enhanced directory listing for CP/M systems Steve Han­sel­man As­sem­bler INMC 80 News 5 18
ROM Graphics unit for Nascom 1 – Eco­no­gra­phics and DIY Rory O’Farrell Hard­ware INMC 80 News 5 19
Extra Econo-Graphics for Nascom 1 S.​J.​ Oakes Hard­ware INMC 80 News 5 20
Pro­gram­mable Sound Generator by PHG Elec­tronics review D.​R.​ Hunt Re­view INMC 80 News 5 22
The AY-3-8910 Pro­gram­mable Sound Generator on NAS-BUS Andy Tipler Hard­ware INMC 80 News 5 25
The Nascom 2 keyboard – how it works David Pears Hard­ware INMC 80 News 5 30
RAM A Board modifi­cation to use 2716 EPROMs A.​O.​ Zien­kie­wicz Hard­ware INMC 80 News 5 31
2K’s on an N2 – Using 2716 EPROMS on the Nascom 2 main board E.​P.​T.​ Anderson Hard­ware INMC 80 News 5 32
Re­view of the Gemini double density disk system G809, 815 and 513 Ian Hen­der­son Re­view INMC 80 News 5 34
Disk drives and use with CP/M explained Richard Bateman Hard­ware INMC 80 News 5 37
Arfon Speech Synthesis Board review Steven Han­sel­man Re­view INMC 80 News 5 40
Gemini EPROM Pro­gram­mer review Paul Wilson Re­view INMC 80 News 5 41
Z80 Guide – The kiddies guide to Z80 assembler program­ming – Part 5 D.​R.​ Hunt As­sem­bler INMC 80 News 5 42
Blue Label Soft­ware (BLS) Pascal review Rory O’Farrell Re­view INMC 80 News 5 50
SYS – Disk Systems – What is this thing in CP/M called SYS? Richard Beal INMC 80 News 5 53
Incompati­bility between Gemini G809 and Henelec Con­trol­ler kits INMC 80 News 5 54
Print routine for Naspen and ZEAP P.​ Forrester As­sem­bler INMC 80 News 5 55
Book Re­view – SOFTWARE TOOLS by B.​​W.​​Ker­nig­han and P.​J.​Plauger Rory O’Farrell Re­view INMC 80 News 5 58
Routine for the "port mapped" Gemini Video Card Richard Beal As­sem­bler INMC 80 News 5 59
Automatic entry of several Machine Code programs A.​J.​ Fry INMC 80 News 5 62
Notes on program­ming style Rory O’Farrell INMC 80 News 5 63
Cor­rec­ting IMP printer problem Rory O’Farrell INMC 80 News 5 66
Law­rence and the ‘new’ printer? Law­rence INMC 80 News 5 71

INMC 80 News mutated once more and became 80-Bus News.

This table of contents is based on a work of Mike Strange who collected an overall table of contents of Nascom magazines.