80-Bus News

  

November-December 1984, Volume 3, Issue 6











Page 37 of 55











their completed form.

D.M. Lord, Bacup, Lancs Congratulations to the above, and thanks to everyone else who sent in

M.D. Hendry, Cupar, Fife

A.R. Green, Calverton, Notts

THE QUESTIONNAIRE PRIZES

D. Atkinson, Chesham, Bucks R. De Brown, Acomb, Yorks

C. Waller, Luton, Beds.

J. Turner,

S.G. Minshull, Borrowash, Derby results, and these will be published in the next issue.

The ten free one year subscriptions go to

. .

And the voucher for £100 worth of Gemini goodies goes to

. .

J. Washington, Woking, Surrey A.P.R. Watt, Crawley, Sussex

Without further ado here are the winners in the Questionnaire draw. W.H. Turner, New Malden, Surrey

Pontefract, W. Yorks Steve and I have spent many hours compiling the

8085 8088 8089 808B 808c 808F 808F 808F 808F 8090 8092 8094 8095 8097 8099 809B 809D 809F 80Al 80A3 80A5 80A6 80A8 80A9 80AB 80AC 80AE 80B0 80B2 80B4 80B6 80B8 80BA 80BC 80BD 80BF 80BF

CALL SndBit

POP BC

DINZ BOL

SCF ssend 2 stop bits CALL SndBit

SCF

;OQutput the bit in the carry register

JR C HiBit sjump if logic 1

LD B 1 selse 1 cycle at 1200Hz PUSH BC

LDA 1

OUT (OFEH) A sset MIC bit, blue border LD B DELI

DJNZ SBL

LD A OEH

OUT (OFEH) A jreset MIC, yellow border LD B DEL2

DJINZ SB2

POP BC

DJINZ SBO

RET

LD B 2 32 cycles at 2400Hz

PUSH BC

LDA lL

OUT (OFEH) A

LD B DEL3

DJNZ HBI

LD A OEH

OUT (COFEH) A

LD B DEL4

DJNZ HB2

POP BC

DJINZ HBO

RET

37


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Page 37 of 55