jx logic drawings - appendix b - retrotronics

16
A - B I CID @) AO~ 14 00 ~ 7 - CTWR -EROM 2 2 I 3 I 4 I I 6 I 7 I R ,,------r-,-,.----.---.-- -- -----------------================t1=::::::'i====-TIP!:EC:]L[El(r: '6- l7MI R8I .J'~,!. ' ...,_ J, 1 --1~'=1rl;-;C:-;-L-:;K---:r-r-~-r---v-,---------;:::, - --- -- -----r-r---r---.. ~,~:~~g) 68 .J.: :1 v 1C40 DOT CLK (5-9J 7- 2501 ~: l L 593 g ,_L_S373 2 Al9 ; ::~~~r~( 6-17HI 1 •• oa ' 2 ., cf 4 1 Al "' Alf' (6-17GI Unlurn,shed 2 I Qt I -, a, N-':~i--:iy D O F-•-"-~"'!17 -"1 Cl RC LK (; : :~~I .-----;1•0 QC I" ,~ '-----' r,._tf'! "" u/!1,"tf--_ -...,.•~ l"l'--.CW.'--"1 a "' .J I>: .. .J I A19J u 1C49 >1 1'-,. .,, LS32 A18 z _Al7 V ,~ 1C54 Ai" A t...d~t12--," r.'"r'""':-:-::"i :; 4 ~ - M ,C65 69 - "" ~'=':----,',:11 11 - EROM 3 -EROM 4 J.~ LS04 rn . .. I ALEI A9J iO/ -M /2-981 - c~ll;25C - EROM5 - EROM 6 -ER°"47 -BASE I Ri'.IM 1C47 z LS04 .... 1C47 r<""'-'--- 1 =-t 1 15A .Hi, I ,!;_504 P8098 •'"~'~'=~~-•;.1Q~)[=l o OC T! Cl 04 JI MOLD "·•~· ll lN ~q .---H-"-v __ u:1r[ST ,11ta'"- 7 _..,•-l""'""'l ,t"---;+===::::!!.,~J ' I , 10 1 o '>' .--+-+---- '"1' ••I : '! ~1;:::::~ 1:::;~•i~:: A07 II LS373 II A7 - R -, - R ""' -,. __ ai• I 2 IA 14 - I'~"""¥--'- ' ~' iC41 11 A6 A,nu:zn(-J------<~---"'8A::;Se.!E::..2~R~OM · :::,, 11H1iii All 3 'j NA~l):>_..,. 1 •-:-to O 11 A5 -BASE 2 ROM - J AIZt,:.---t-:~1-'l cf r-~··-~-'- '~' 1Z A4 -MEJ,r- 15 -9G,7-258J +-!IV ;:;_Al8;:::._ C375P - a11t, 1 ,--~c:':', ..... -i AJ3 I I AJ 12-981 CPUCLI(_,__ Alot,,:---;-';~C--1 ""'A~o;;.z--,=-1 1 AZ OR ~3 - 17A,4·1H,7-25D1 Al A ·I OW (Al I GNO '-::-'.M':::: m XI •.• 'r~ 17-25<:I Al I r=AD'=l __ •::-t s Al 1 12-981 -CARTRIDGE RESET 14.31818 40~ i6~ IC I ~-~==~~;_=:, l'-"'"lo!'lL.n--' 3 '-1 16C __ ,-< 2 _ 981 MHz IC2 98 138 ao•rr', 0 ,~==~~;::::i IRI - z L.._14 -IH, 7- 2501 IR16 Sr.c 22ka6 CI05 ...++--+- - OE=N..,_-<5-9G,7-25C) ,;'=---,10k :3 I II 8284A :~•~"~-':c--J r,-t:1~===..::J::::'..._j "f I 10 O. l)J - ez=s : : 1 5 I , 1 11 X2 2 PCLK •• 00 3 2 ::::!~::;;;;::, 1- ... 1.,-1_,;':_:_:_:.:.:.:.:.:.~""" 2 2: 9 9CCI I I XI S U r i- - ;:.~ -- -; IZ LS367A 11 " z i Ii .J 1',. R4 ill csHC l!OY~---+-f--HH--+-+---=t• 0 AD',_,, __ ,,_.,,._, , , IA141 A14 A IA I A 7 A 6 , A 4 A , . , A I A rO B - ( 4- IG ) READY 560 l 2 J.,s_ uii? CLK I CPUCLK CPIJCU( II CLK aoo1-- '• ~~~- 3 .J ~~,:::AA,.:,:;~1,--.a•n•'--i I C42 F-~'-----'::'"':~:"'1 6 -17 H - ,,. ~. OST 10 RESE T REl~62 ., •ST -. D P,c,3Z,---- _.;;W R,.DR,----+-++++ .....--_.;; .. Ra;;,on,... ,_,~ "t+---:•.:--1 .ti ~,'--cAAc-: 1,'-=n' -i 7-25C -·~ '-" •on ADYI READY O. IJJ 21 --- '' = '" C -HRQ z " us ,r- wii ~i21~~~"~•~~-u~;::ttt,++--...... '-. uAIO ----+-ti Cl ir: IOJJll6V 3 UNI osc ~" , 1 : i; 1 3 t}~ Vee ~=~~~O~T~ / ~-~RL::tt::::;-~O~T~ /- ~Rl 16Aveelc!:t I 7-2!1C I C - D - E - F NMI I C54 "• , -, NTA Ilia 1 ., ffi b .- IALEI 15-90 l - '" 13 ,,f v,e CIOI C2 ..!::,.o •LC~!.!:~~~-J. 1 ~,.t,t•::::,t--+---'==-'-,t-- •"'h VLS04 I .._ __ •_•..., 0 ' 2 0.IJJ 33 >' 116 v .....!. ••o TiiTi ... ,. INTR iNTR O ii iii I ..+r '------------ ,,,. IN TA 1-,o"'-t-+,-'IH-'-'L-;0,.:,A'--,I-•;:::--+':.:..:.."-, °i. H, nA '+._:t::::::::::::::::::~:t::::::::::::::::::::::...... , ----- -, ._ _____ 7-2!1C I I 1 1R7 I C49 A 7 ,__b__~ ,, 07 L-r~:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_~lt:.:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_~~- ' I !Ok x 7 LS 32 A - ; IC43 :~ ~: 'z3i5e1i..J ~~A!:;~::J•~A 114 u,q iRQ7A I 7-32C I I 7 -25C I 16-17 MI 16 -17L I IC!IO LS74A 88 __ l CLK Q I z ~ 2 iRQ7A +E I !I- 9G I 7i ""J] 50Y-- -''-=----1~-:.-:.-:.-:.-~_~ '_+_E __ resoe'..,s08 I 1110/·MI IRO 4 SERIAL 1 NTR ,RO 2 I RO I 1C47 LS04 ·WR " d ] J U --1.. CLIC i C44 LS112A IOE 10 II J ,-, CLK I C44 LS112A IOE i ' ' 1C46 1 LS257 ,. •" I V - RO 11 1". 0 ~~·n,,&ri• r. oi!---, ~- .. m L-4-...:.+.=...::_~=?!~1-+=:t= '-::w::::R=t:t+W.u ,. - ,i'.l w ---V,. It IY 7 -MFMR L- .... ,:..---t------,---r---.... l l..._ __ -+--1"~~: 3Y • - '" l -u' 14• ••~ - w Tc47 (ALE I LS04 iC50 iC45 ~ IC51 •••ND 10 LS74A LSll2A 10 2 LS0 2 1 :J i'i =----+- .. "a.io ut- 1 ---t--'---t' J "'u '~ - iC47 LS04 OT/ ·R ,.,.._ 12 Cl.IC 8 8 CL R 9 0 0 • 1 00 5 ,, ~ % R/-OT !" Y•• V I 2 I 3 I i R2 10~ 15 ---- -'\ I n ' 12 · 1441 -, ow - MEMW 1•2AI 4 I r-A-3;;.-~''-i IS 03 L A \? 4 11 D2 ADI 3 17 DI (~ 1 0ENI ArYl z IIO 00 I ~- ~106 .__p"-T-'-1_-;.:R_________ ~o O .Ip ,C47 iC49 ,- LS04 ,o I ,.._ 1 v LS32 5 I 6 I -YRESET 5·9G 2-901 6 -17M 7 ·258 _.,n,. ,-n 1 N 0 6- 17LI •1--+-.;,.V:.SY-"Cc=----- 2 -90 I H+-H-'° '-_""R~/- ·_, -n::T~=~--- 2 -90 I 7- 25CI I Sy s t em Board I of 7 I 7 I 8 D ,.. F 8-3

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Page 1: JX Logic Drawings - Appendix B - Retrotronics

• • •

A

-

B

I

~-~ CID @) AO~ 14

00 ~ 7

- CTWR

-EROM 2

2 I 3 I 4 I I 6 I 7 I R

,,------r-,-,.----.---.---------------------================t1=::::::'i====-TIP!:EC:]L[El(r: '6- l7MI R8I .J'~,!.'...,_ J,1 --1~'=1rl;-;C:-;-L-:;K---:r-r-~-r---v-,---------;:::,- ----------r-r---r---.. ~,~:~~g) 68

.J.: ~ :1 v 1C40 DOT CLK (5-9J 7 - 2501 ~: l L593 ~ g ,_L_S373 2 Al9 ; ::~~~r~( 6-17HI 1

•• oa '2

., cf 4 1 Al "' Alf' (6-17GI Unlurn,shed 2 I Qt I -, a, N-':~i--:iy D O F-•-"-~"'!17-"1 ~ Cl R CLK (;: :~~I .-----;1•0 QC I",~'-----' r,._tf'! ""u/!1,"tf--_ -...,.•~ l"l'--.CW.'--"1

a "' .J I>: .. .J

I A19J u 1C49 >1 1'-,. .,, LS32 A18

z _Al7 V ,~ 1C54

Ai"

A

t...d~t12--," r.'"r'""':-:-::"i :; 4 ~ - M

,C65 69 - "" ~'=':----,',:11 11 • ~ - EROM 3

-EROM 4

J.~ LS04 rn . .. I ALEI A9J

iO/ - M /2-981 -c~ll;25C

- EROM5

- EROM 6

-ER°"47

-BASE I Ri'.IM

1C47 z LS04

.... 1C47 r<""'-'---1=-t1 15A ~~ ~ ~

.Hi, I

,!;_504 P8098 •'"~'~'=~~-•;.1Q~)[=l o OC T! Cl04 • JI MOLD "·•~· ll l N ~q

.---H-"-v __ u:1r[ST ,11ta'"-7_..,•-l""'""'l ,t"---;+===::::!!.,~J' I , 10 1 o '>'

.--+-+----'"1' ••I : '! ~1;:::::~1:::;~•i~:: A07 II LS373 II A7

- R -,

- R ""'

-,. __ ai• I 2 IA 14 - I'~"""¥--'-'~' iC41 11 A6 A,nu:zn(-J------<~---"'8A::;Se.!E::..2~R~OM·:::,, ~ 11H1iii All

3 'j NA~l):>_..,.1•-:-to O

11 A5 -BASE 2 ROM - J AIZt,:.---t-:~1-'l cf r-~··-~-'-'~' 1Z A4 -MEJ,r-15 -9G,7-258J

+-!IV ;:;_Al8;:::._ ~ C375P - a11t,1,--~c:':',.....-i AJ3 I I AJ 12-981 ~ CPUCLI(_,__ Alot,,:---;-';~C--1 ""'A~o;;.z--,=-1 1 AZ • OR ~3- 17A,4·1H,7-25D1

Al A

·IOW

(Al I

GNO '-::-'.M':::: m XI •.• 'r~ 17-25<:I Al I r=AD'=l __ •::-t s Al 1 ~ 12-981

-CARTRIDGE RESET ~ 14.31818 40~ i6~ IC I .~~ ~-~==~~;_=:, l'-"'"lo!'lL.n--'3'-1 16C l'y2',,---'A,;.=-u-+--+-1.➔':_:_:_-:;t--"1M,"E'--M_W_5_·_9_o_,_7_-_~ __ ,-<2

_981

MHz IC2 98 138

ao•rr',0,~==~~;::::i IRI - z L.._14 -IH, 7- 2501

IR16 Sr.c 22ka6 ~ CI05 ...++--+-- OE=N..,_-<5-9G,7-25C) ,;'=---,10k :3 I II 8284A :~•~"~-':c--J r,-t:1~===..::J::::'..._j "f I 10 O. l)J -ez=s : :

1 5 I , 1 11 X2 ~ 2 PCLK •• 00 3

2 ::::!~::;;;;::, 1- ,~::_➔i_:.l;;.c,Jnt, ... 1.,-1_,;':_:_:_:.:.:.:.:.:.~"""

22:

9 9CCI I

I XI S U r i- - ;:.~- --; IZ LS367A 11 " z i Ii .J 1',. R4 ill csHC l!OY~---+-f--HH--+-+---=t•0• AD',_,, __ ,,_.,,._, , , IA141 A14

A

IA I A 7 A 6 ~ , A 4 A ,

~ . , A I A rO

B

-

(

4- IG ) READY 560 l 2 ,- ►~162TA5 J.,s_ uii? CLK I CPUCLK CPIJCU( II CLK aoo1--'•~~~- ~ 3 .J ~~,:::AA,.:,:;~1,--.a•n•'--i IC42 F-~'-----'::'"':~:"'1

6 -17 H - ,,. ~. OST 10 RESE T REl~62 ., •ST -. D P,c,3Z,----_.;;WR,.DR,----+-++++ ..... --_.;; .. Ra;;,on,... ,_,~ "t+---:•.:--1 .ti ~,'--cAAc-:1,'-=n'-i 7-25C -·~ '-" •on ADYI • READY O.IJJ 21 --- '' = '"

C -HRQ z " us ,r- wii ~i21~~~"~•~~-u~;::ttt,++--...... '-. uAIO

----+-ti Cl ir: IOJJll6V 3 UNI osc ~", 1 : i; 13 t}~ Vee ~~~~ ~=~~~O~T~/~-~RL::tt::::;-~O~T~/-~Rl 16Aveelc!:t

I 7-2!1C I C

-

D

-

E

-F

NMI IC54 "• ,-, NTA Ilia 1 ., ffi b ~ .- IALEI 15-90 l - '" •

13,,f v,e CIOI C2 ..!::,.o •LC~!.!:~~~-J.1~,.t,t•::::,t--+---'==-'-,t-- • •"'h

VLS04 I .._ __ •_•...,0' 2 0.IJJ 33>'116v .....!. ••o TiiTi ... ,. INTR iNTR O ii iii I ..+r

'------------ ,,,. IN TA 1-,o"'-t-+,-'IH-'-'L-;0,.:,A'--,I-•;:::--+':.:..:.."-, °i. ~ H, nA

'+._:t::::::::::::::::::~:t::::::::::::::::::::::......, ~ ------, ._ _____ •_L_o_•-l-"-+-t"-'="----,~,-!1-....c'\!.1~HL:!:£0~A~►+--4---4-+-----L..._-----Hrl-+tt-+--"-'-'-'"'-"------< 7-2!1C I

I 11R7 IC49 A 7 ,__b__~ ,, 07 L-r~:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_~lt:.:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_:_~~- ' I !Ok x 7 LS 32 A - ; I C43 :~ ~:

'z3i5e1i..J ~~A!:;~::J•~A 114 u,q iRQ7A

I 7-32C I

I 7 -25C I

~ 16-17 MI

16 -17L I

IC!IO LS74A

88

__ l CLK Q I z ~ 2

iRQ7A

+E I !I- 9G I

7i ""J] 50Y--

-''-=----1~-:.-:.-:.-:.-~_~'_+_E __ resoe'..,s08 I 1110/·MI

IRO 4 SERIAL 1NTR

,RO 2 I RO I

1C47 LS04

·WR

" d • ~ ] J

U --1.. CLIC

i C44 LS112A

IOE

10 II J ,-,

~ CLK

IC44 LS112A

IOE

i ' ' ~

1C46

1 LS257 ,.

•" • I V

- RO 11 1". 0

~~·n,,&ri• r. oi!---, ~- .. m L-4-...:.+.=...::_~=?!~1-+=:t= '-::w::::R=t:t+W.u ,. • - ,i'.lw

---V,. It IY 7 -MFMR

L-....,:..---t------,---r---.... l l..._ __ -+--1"~~: 3Y • - '"

l -u' 14• ••~- w Tc47

(ALE I LS04

iC50 iC45 ~ IC51 •••ND 10 LS74A LSll2A 10 2 LS02

1 :J i'i

=----+-.. "a.io ut-1---t--'---t' J "'u • '~ -

iC47 LS04

OT/ · R ,.,.._ 12

~ Cl.IC 8 8 ~ CL R 9 0

0 • 100 5 ~ ,, ~ %

R/-OT !" Y•• V

I 2 I 3 I

i R2 10~ 15 ~ ---- -'\ I n

' 12 · 1441

-, ow

~ - MEMW 1•2AI

4 I

r-A-3;;.-~''-i ~ IS 03

L A \? 4 ~ 11 D2 ADI 3 17 DI

(~10ENI ArYl z IIO ~~ 00

I ~-~106 .__p"-T-'-1_-;.:R_________ ~o O .Ip ,C47 iC49 ,-

LS04 ,o I • ,.._ • 1 l5C/>"-+-+-➔-+--_-O_E_N-------~

v LS32

5 I 6 I

-YRESET 5·9G ~ 2-901 6 -17M 7 ·258

_.,n,. ,-n 1N 0 6 - 17LI

•1--+-.;,.V:.SY-"Cc=----- 2 -90 I H+-H-'° '-_""R~/-·_,-n::T~=~--- 2 -90 I

7- 25CI

I Sys tem Board I of 7 I 7 I 8

D

,..

F

8-3

Page 2: JX Logic Drawings - Appendix B - Retrotronics

App~ndix B. Logic Diagra ms

9 11 12 13 14 16

I I -IA )-~A~O_:~::.,!Ac!_l9?,_ ___ !!,A~O~~A;!!16L_ ________________ ~A~14!_ _ _ _____ ..,.::A?!O--_.eA~O;:,~:JA~9;!..!!A!..:14~-:.,A~la,9 _________ ______________________ ..:Ac:,Oc:~:..=A"'~<---1 3 - 17.l I

I I- IA 00 ~07 00~07 3-17.ll

A

II-1181-..:.l.:.O'-I-_M"'-----'I

• , Arri Au

{

- R"" 11- 18 1-=-~ ,_____, ,....:. ,_____,

B ,....:. ._______.. -

( 1-18 I -MFMR

11-11 I - IOR

II- 118 I -MEMW

- 112!19 cs I 1- IIC I - r< 11-IC I

I 5 - 9J I I !I - 9J

C C 5 - 9LI

14- IG

11-110 -R•Sq

D

11-10 VSYC D/ . n

1 1-10

E

n<PT > N ·r I(

' rDt Al~

VSYC ,.,_nT

A 14

~Cl07

f-J:0.1}'

IC91 LSl!ll . ,.­

RAO,~~, ~•CJ LJ ~,c2 ,, ~ ICI

,, ,co • r-:: >cl ZT

XCAl4 xn<p

I C90 LSl!II

~ ,,cz 19 N~ ICI 4N IOJ

~~ f: :; _! 00 10~ ,a h A••._~ o,

..._A;;....;l'--.J' ,.j.,. z .. ... J J: ~! .., .., :I Ill a: z " ... .

t •• I 00

- ~ 07 r< STlt

OSP ,~ IC59 i A •

RAO MP"D

LS04 1

~}. •

-. ,. ~rr , ~

GRM 14

CPUAl!I

l C -~f {f!I-~io.. ~~ ;,~! !~~hi Cll!I =·' ,n

~ ~,. I C • 0 .1µ AO 10 XA0o-NO - e,n•~

~~ .. , ,. ::! I ; ~ ~ ~ : : = ! S Y1lD A~ T4 ... Al 7 .. , Vu

~443 XA4 ' ... NCCK

"NCr,, ~ L.-.!.! ... ,0 UA n

___..!! .. , •Cl!! MAO zo MA I

~ L....l! ... S X004 MAI I

~ ~ ... MU • :; Ul XAIO ....... ,, -----., XAII 12G ... , 1•

l_til KAIi

M.te If A )(A.I.> -· .. IIIAT 11 Nlt(S

MAI 4

CA 14 10 , .. , .. ..... , A MA IO a s:;;; MAIi

Al • ,a a. S V 11111,tlZ 9

AO

C119 01

"- ! t R2 ll · 4 E) <,r~ : IOk a,

'; j XCAl4

~< -VRAM C~ }14-IGI

H 046505SP - 2

-6845CS zo - oo'" DO -LPSTR l cs o t l!L_ 1-

'---~~~----IL~ITI oz~"- ~

1R8ll / 9) :L.., DJ~ -" "- ' 1 IC26 o•~ i..,..,

IJ-ZX><,.... J 2 -- o,i!!- i..,..

0 g t R!HT oa Lz.L_ c...,

I kl ~ JtS D1' J!__ ....,.

NCCL K Z1 CLK

~ ya, • MAO os,r MAI • MAI CUJtsll lll

• MU HSY NC 40 vsvc:

' Ul VIYNC

a 111.14 OAO

H RAO • IU5 J1 DA

10 .... OAI ,. DA ..

" U7 IOG ... l'l'I DA '11

Lll MU ... ]4 g ••

~ MO ... .. .- 10 II.Ill

II M.1 12

RI- OT H Jt /W -►

♦[ n • ... 112-' - Cl21 .. , .,!...2 0 ,..,

' VSYC

DA

n~PTO

VSYC

DAn .... , RA> .. ..

-• Pl --A If ---A R

M X

!I- 9 I< I 4 I JI

5-9HJ 5 - 9HI 5-9H I 5-9JJ

(4 -IH, 5-16LJ 14-IH, 5-16LJ

4 - IH,5-16ll 4-IH, 5-16L) 4- IJ, 5-l!ILI

RAn~•

4 - BJ I 4 - BHI

},-,,, ( - 64~ rn IN

I 3 - 2lE I r '"~ f I 5 -9 J I

-V2A0 ~7 C 4 - BG I

F 15 - 9G 1----_:♦~[=-----------------------------------~

9 10 II 12 13 14 15 16

8-4

3 -17.l I

3-17CI

l- 17E I

A

B

C

D

-E

Page 3: JX Logic Drawings - Appendix B - Retrotronics

17 18 19 20 21 22 23 4

• n ~ •"' an_ ... ,a A"

oo- 019 00 ~ 07

V I A O-V IA 7 - WE I - RAS I

A

B

C C

- 12- 16C

D D

I 2 - 16A

12-16 [

v,ocO M£MA I EXRAM64 j IC!,!

~ LS02 QI) - MA•M ,o . ' - hffMR 9 7 70 2

~ / 1C79 ~AO 11-88 1 10

LSOO 00-01 00

07 06 05 o• DJ 0 2 0 :r OOfz ~DI

0 2 2 I b2 'i.J D3

2 I •C21 1C70 I C71 ~04 2 I IC20

17 M LSJ74 L.$374

05 IJJ 2 I ICI9 Ooo 3 I Q I>

M

~ ~ GACO o 4 '-.) 06 IC59 11/21 14 - JJ I IR2011/31 I6 M 10 10 IQ

•f"c._, 61ll • 3 2 I ICl8 15M 601 , .. 601 • 20 20

5 01 20 20 ~ GA C I ~07 rcso◄ i ICl 7 002 ___J_ 2 I 14 M nn, ,. 0D2 7 30 J Q 6 D2 30 3 0 ~ GAC2 oe '-'VIA O - VIAOP 9 1 18 ,;; 15 2 I ICI6 17P 0 0 3 ,. nn, e •o 9 OJ 'OoJ 8 •o 4 0 1~2 :

bl VI A I - V\AIP II v..... 12 It... _.~.J2 L 40 GACJ

~ OlN ICI5 16P 004 ,. 1'n• 13 50 5 0 12 04 Oo• _13_ 50 50 0 9 ~VIA2 I2N IIN GACO l... ___ ..J RIIO 68n AO I C I ◄ 15P 1 ... ,,. Inn• 15 05 ~ ~ b9 -Q VI A 3 7 ,. 14 6 D 6 0 8 D 6 0 GAC5

-VIA2P IJr;:- --,,2 I RII ~~~ .. A l 6

I 4 P 006 ,. 006 17 7 0 7 0 16 06 006 17 7D 70 ~ 1~ 8 14/ 9 ) o lO VIA 4 GAC6 - VIA3P 111 v·"-- •' ,, A2

007 ,. 007 IA 1 0 ~ · 007 ___!_8_ t1L....._ 10 ll 19 blO ~VIA , 10 12 A3 OOUT 8 0 80 8 0 GAC 7 o ll _, VIA6 - VIA4P 9 1 ..._ V IR '" is II A4

14 --~ s~ ;--t -7 ,___ CLK CL K bl l ';::::'.VI A 7 -"tA•P • 1 i,,·,;;_ 'e ~r. - -..-L .'.J 10 A5

4 16 4 I ot .!< 6E - ' I o lJ - -RAS I - VIA6P 3 1 ..._ V :.. , 1 .. 13 A6 ,___

/2-~ I > I

· VIA7P I I v·,-;;.. 12 I :, g A7 0 1 120 10] .. z ot

4 ·5H 1~ L,; I ol4= - WE I -- \7- r l.J -u .1iRt2L .J - w,i 3 wt b l ] CAS I

~~4 jGan,J -- J,.' 2 C l ) I J;2 I 7 6 51, bl4 ':::: SP l..1 - RASI • m ,_._ ;: Ci32

I C60 r : 6-rA~n

o ,,, 0 ,,, o i5 ""' 5ATI 15 m ..__ .. I Ci20~ Cl27 S P LI II) bl5 C AGPD I2

J 1R l7 i - -- ., I

~ el 1~0

' >' • 8 016 .1"1 V10EOMEMR 6811'3 d .... , - ~_J I ••• ,Q GATE 2

11 ,ere :j I 2 I C76 4

1.jil,....._LS00 _2

C4 o l7 • DI S CASO LSD◄, 2 .j M N2364SPJ b i7X_ D IS EO

ihI IJP)

J3_u /16 V

3 RAO 10 AO o is: . L C G WEI I ,--12 CAS I I C72

104 1 q IC73 019 GAC O RASI LS273 A l I C12 LS374

~GACI C A• I - 0 IS CASO RAZ 8 A2 14- 8 G -~

,. 7 ii 3 ~ ~GAC2 "' 11)11) 10 10 AJ 00 10 I Q

:I< 1l ~ 1C78 • 20 20 5 6 A4 0 1 12 : 2D 20 ~ GAC 3

~ JO 6 5 A5 D2 13 ~ ~GAC4 LSOO LSOO 3 0 JD JQ N1Q1._l! 40 9 • A6 03 '" 8 ◄D 4 0 ~ ~GAC5 A N G • o

I 6 - I7L B 6rB ~ 12 3 16 13 5D 8 N ~ ~GAC6 5D 9N 50 A7 0 4 50 IO 13P

8 ~ IS 25 05 17 14 6 D ~ GAC7 60 60 A8 6 0

GATE ~ 16 24 A9 06 18 17 7D 70~ 023

'-' - 6◄KCD IN 7 0 70 '22L...!! 8 0 19 21 AIO 07 19 18 8 D 80 ~ 8 0

SCH ! II RAJ 23 All SCHI II CLK CL K 1C76 i CLR

2 AI2 - - LB~ OE LSO◄ - ~ RAO- RA) t' OE

cs, R A3 ..... CT ~

1 CS2 Btg ♦ 5V

131,7 12 '~b 20 I~

20 + 5 V CIJJ 2 I r• 28 2

¥8GND 0 l.u r--~ " C I J◄

LJJ ~ JM I ,-1.Z" t CIJ5 0 ... GN D - L B G 0 ,~

$ P L. I

A

B

E SCH! S P LI SAT I S AT I

14 - 8G GAC0~7

I 5 - 16G E

-64KCn IN ( 2- tSE) GATE I 5- 16G

6 -I7L - • CG

14 - 8H A" pn AG PO

F , Sys tem Board 3 of 7

F

17 18 19 20 2 1 22 23 24 B-5

Page 4: JX Logic Drawings - Appendix B - Retrotronics

G

H

J

K

L

M

B-6

ppendix B. Logic Dingram

I

11- I A I A"~ • I'

11 _ 1 • 1 oo-or f I ... IC ) 1:1r

2 3 4 5 6

AO

7

AO~Al7

00~07 !1 -901

5 - 901

12-9CI 1,.

{ ,.

-V >An-7 2 ·1!1EI ~----l.--!-------------'C~A~•~~,2i-R!!:AS~~-'M'!!l

4~

2~-jW~P::!'8!QEX.._ _ _ _______________ 'ct ____ -t--------,, , -;::;::;::::::::::_:ll:,_Pri/'.._'!-._'"'•.r~K'•~.f'.!.o:~+_..;J!ce.~~ . ..,.rl:J"-~----_-_,~~~:;~:

IC76 ~ f t r - - - -, IRIS 12 - l!IA -K ~

11 • ee - MEMR 1 1 • e e ,.-:..m=l!L-.J

12-1!1D{= ~ R A4

A l

I !1 -16JI

I R l!I IOk , 6

2

L S04 10 "i; t' I ~ 6 a!l. , 4 ,2 .,. :i; -, i -~ : ·a L _ __ J lO . '

,,I. c 1o e-c111 0 . 1)1, 4

S• C

.. MRA4

" " Al

" A ? ,o AJ

• A4

• C A

• C A

. ii

•C25 v o o

I

16L

V 7

V

V 11 ,, I' ,.

V I ~

4

=~::~ .~·

IHS Z 4 --~M Jl

W .. l f")t JI

IJ ·2JC) . r.,0 1 "'

I R 8 I J /91 ~ " ~ ~=:~~ ~ IOk11 9 ;r _ _; :, ~

, .,_.V'A-,:,"--~R,.;..;OR,',.J-",,cl 1 J •l l"I ,P R ll

,- ~ - ...:.. ~ l RC::: T~ 11

I 14 T" 11

II " CSCJ i-I 11 I URU 21

1 1 1 12

L - - J IR19 10 k 1 !I

. ,o

" ,. ,. ,, ,. "

5

KJ 0 . I

K

4 , J

& •

.. >

,cJ e

SX 007

11 L

, CJ7

SX0 06

6

~1

. ' . ,o

" 10

" H

•• . " .. ,. .,

" I , o .. H 10

I • t .. " .. .. .. ., IO 70

70

71 ,. ,.

GRMZ

7

• ftATfl

} PR T2 5 - 9GI R>

, ?

n

G

NRI ~ 5 ·9HI

w ,u ,

DCLK ~,

~--~ 7 -25CI _

4 " ~ J -17EI

-

- AORI M •X I

- ' p - A Fl

GRM

~ 'M'

DO 0 1 0 2 OJ 0 4 0 5 0 6 07

GOO I 7

4

J

2 - f!I EI 2 -l!I EI

},~,,., 2-1 5 C I

8

5 - 9 JI !l - 9J I

G

H

-J

K

M

Page 5: JX Logic Drawings - Appendix B - Retrotronics

G

J

K -

-M

9 10 1 1 12 13

12 _ 9 C I DS PT2

14 - 8J

I 4

- B JI 2 - I5 C ~

« - 0< 1 GOO G O r., C I r. n ~

" '7

r. .. , G J GD◄ ( 4 r. n ~ G 5 <rnh < >h

<a n 7 G 7

LB W

CPUCI K

14 15 16

6 -17G I

6 - 17 G I

-, OR 6 - 17 G I

GA CO · T I - ,Ow 6 · 17G I

,, . Tr J - 17E I

J - 17E I L• - L5 12N 1oGN0 1 . ,1v •;g'""""'A""'u"'o'-'-,,._o ____ --l16 • 11 G1

D53I0 • 558 27I M , 5 I + I2V

•• - • I I I •~.. , ROiSPLAY 14 ii , ... G

JN

;. 10

12~, -• I

Cl40 0 I

,. 1 4.. , 8

CIJD · •

1 J ! ~- HSYNC

; L5 - • ;~~I~~ • I • • '! DOT CLOCK

I I Fl G ND MAl056 - W. *~~*~ 1 G ND

, 7 z z I GN D

11 G_N~ _

D5 ~ OIi 1 ,._ 1

COLOR CLOCK !'-",,,,_l R1s(LW..-~ '..1.I CJ B &B OP

L...:C,_,L,,R:.,C,.,La,::K,._ ___ -4 _____ ..aJ:.:J:,,_>,_. • 2 (l»I..-) IJ umo•r - 3:>K e n 1N

b24

b2B

i C8 9

LSl 5 7

T ~ 1~~

g -

I~; i~ ~ IP, ~~ "' " " ~'ci~ , ., 0 ~ 0

I ~ ~ O_g ff ff §15~ C)

12 -1 5CI

- GPIO -RAS2

V

}•-"'

CHI rl K S~L

}· '"'

v o , . .,en, ~ i R T ST -r A ATA -r A T - ,R K Rn nATA

Sy s tem Boa r d 5 of 7

L----9-----.-----,-0-----.----1-1-----.----,2~----r-----,-=3-----r-------:-:-----T""------: 14 15 16

G

H

J

K

L

M

B-7

Page 6: JX Logic Drawings - Appendix B - Retrotronics

Appe nd ix 8 . Logic Diagrams 17

G

18

AO A l

07~ 00 06~ o, 0:5 "-----1. 0t 04""----1! 0.3 03~ 04 oz~ 0 , 01-----..!...!.. oe

H ll-eAI 3 79MHz 00'----.!.Jl.o,

19

AO Al

1C28 AVDtO >"'----

Vee~~

40 : : g1~;

ONO~ z ... Zl n

t I - IC I R J:' Any '-1--t--+--t-1---"' ~~CL K a ltDY

1......-4-+.......-4--+--Jd, a 12-158 -SOUNOCSI ~ ... _. __ _,

Al 0

ZO A l

i t ao rl--------"'0'-1 OATl Z

J

K

L

M

00 ....__,!,_! DO

g~~:~ g:~~! 05""-1! o, 06~ Dt 07'---1,! 07

/JIJ I AO

~I----.! .t.l

,. iii, ..,_ .... • cs

'-------''"-l"ur

- 1 -=•,- ·~ n,ATA

( I · 8A I Pr 11

T

8255A I C4

7 F

••• . • .. ' ... • ••• ' ... .. ••• JI ... .. . ., J7 ,. ••• -.. , ,. ... 20 ... ZI

i-e • lZ "', ,:i .... :1• • ., i"

"'"t' ,.J.! GAl(I

L.,J..!..! oano _____!,!, CLIIC Z

~cu:, ~ C L IC 0

I z• c1

r

9F

,o OUTO-

OUTI I]

OUTZ .!.!..,

20

' R37 560< l

21 22 23 24

00-01

~AO

~ A I

~A2

~A9 08

._ _____ b,:.1:.::0'--'" - ' Ow

'-------"b~S'--l RESET

olO~BAUO CU< - I OR

._ ______ _:b~9~,_,: l-8250CS

20 +IZV ce -IC 30 I IO)J /06V

LM3 5 B •,;; 2

o9 SER IAL ,NTR o7

-SER I AL CD I N

T 014, bl◄ Q+5V

- 12V

C6 I C~ + +12v~+12v

- 12v~-12v I0~/16 z w 1 ~ 016, b l 6 QGNO -+ ~ IQJ/16V "'

l 1 .,. z R41 11

10(> R79 U(

oC53 LSl25

, eq., .. • .

~IAuo10 ) AU0,0

r GNO

◄ ~~ CASS AU0 ,0

6 MOTOR CTL 7

CASS MTRCTL 5

M,C DATA OUT r GNO

R5◄'; - }iQ@D~ Cl41 I +5V

3 91( 2 Olp I 3 G N 0

:;~ Wr---r~-1(4-~•+-~-~-8-+-~-4-'--<2 FG -CBL K80 DATA

R56 5 1.21< 20.CA~

Cl◄ 2

O.OtJlr

• > 5 8 1>---1-11---+-~

iC68 LSOO

I (35

1 680p

- CABLE CONNECTEA

- , R TEST DATA

rGNO

: : ~ ~g : -S<D , L , N TR

---11i11;-------,,--IFI a,--,---•1<i9;-----,----:2~on""---,-----;2:--:1-----.----=-2-=-2----r----,-2.,,.3-------.----2-4 _ _J

B-8

G

H

J

-K

L

M-

Page 7: JX Logic Drawings - Appendix B - Retrotronics

A

B

C

D

F

I I-BA AO~ A t9

I I - 8 A I nn ~ 07

11 - BO -RESET I I - BA RESET

I 2 - 15C - • XR" 12- 15C - • 15 - 9L ~-""•

Gill [@ -12V~-IZV +5V

+12V~.tZV

+!!vv:----------_JL G NO ;::(z •j_+ -G NO ¼7 21 =01~

..., -J; C36 {c10 1-c 113 GNO 33,u/ 16V C115-Cl35

Cl37~Cl42

26

00 I , ~

4

' ~ 7

A MOOE

27 28

,ceo IO ~

l!!! , CB3

' .. y , .

I

,. LS 2 44

,. I "

~t:::::::;:t:j~ij,' D

II I ,, 6F ' ,, ' " '

" 5E ,, 9

CL•

~ CL,_

J. ~7

1 ■-2 'TAn I C t A • •~• I ,.

I CBI • ATA

12 I "' • LS244 II 4 1 5r

,, ATA

' ,, TA•

' 17 ll\ 7 I ii !it 19 2 G ,o

Jr

L!!.~ ,:-_-1E~R~Rt.0tRr_-:._-:._-:._-:._-:._-1'" LS 367A n · , ~ ., F"rT 4 • v,! n~

YA "" ~ r-_-~ip1E~~==::.:_-:._"},!J~:'.l ~

'--t;:::::ziJ::::::::::::::~l2~liJ 4 F" II 04 1

- NI T 1• ~

__ r-rlr -_t-t--_ -_ -_ -_ -_ -_-_..!,.I£' fo I 1$ ~

J;1_

'-t~it---------~------------~----_--:;-i'~ riii 20 r----__. li .. ., -

1

29

--

30 I 31 I 32

,c21 NE558

.GJD~ '-1-+----~_l_r-, SW I L

........!. o• • 2 ,r -.., 2 ~ sw2L '--; ~~ I 7 7 t 11 4 RX L

1e ~: l ~1 • • -(.)RYL

-r-.. 00 2 J TA~ J I SI ,. j ~ +5V

0 tL.. fi ~ ilifil• L ..J LJ r° ~ Cl9_r,ii,wv ~~ l.tLi i Rl3 Jr GNO

·~ o o1,u l ' ~,~--_, c20- c2J 2 2 k • 4 OOl)J, 4

-JOY WR

A

B

C

D

E

,.._ •N-0000 cr.Ct.O:ll:.

•----,2;;55----,-----,2,66----,-----,2,1;----,----,;.------,----,,.---,---~3e;----,-----;-;-~S~~=-s~t~em=!B~o~ar=d~~7:0

~f~7~JF 28 29 30 31 32

8-9

Page 8: JX Logic Drawings - Appendix B - Retrotronics

Appe nd ix B . Lo g ic Diagr am s

I 2 3 4 6 7 8

@Bl SYSTEM ROM I 2D I + 5 V • Vee ( 28 > 0 .1. C 6 GND ( I 4 ) Q

GND ;1; T O. lu

Al4 ( 2 1 } All ( 26 )

A A l 2 ( 2 ) 27256 2 7256 27256 2 7256 A

A 11 ( 23 ) AIO ?2 ' } A9 24 ) A8 ~ 25 ) A7 3 ) A6 4 } A5 i 5 ) A4 6 ) Al 7 ) AZ < 8 ) Al ~ 9 ) AO 10 )

Al5 ( I } B A l 6 ( 22 )

B

-ROM IMCS (20) • 07 ( I 9 ) 06 ( I 8 ) 05 ( I 7 ) 04 ( 16 ) 03 ( 15 ) 02 ( 13 ) DI ( 12 ) DO ( II )

C C

Gilli KANJ i R~M I 4A • Al4 l'" All 26 ) A l 2 2 ) T23256 P6601 T23256P6605 T2J2 56P6606 T23256P6604 A 11 23 ~ AIO 2 1 A9 p◄) Kl A 14 K3 Al 4 K4 A8 25 ) AIS

A 7 r l AIZ

A6 A 11

A5 5 ) A I 0

A4 6 ) 07 0 7 A9 07

D A3 7 ) 01 DI Al 01

D A2 8 ) 05 05 A7 05

A l ( 9 ) I C I 04 I C 3 Al I C4 04

AO ( IO ) OJ A5 DJ • 2 A oz A-4 28 A4 18 oz LS IJ8 0 I u u DI

Al5 ( > 00 AZ u 00

I A l A l

( 22 ) IC9 AO AO Al6 I B

-CGCS ( 20)

0 7 ( 19 ) 06 ! 18 ) 14 14

E 05 11 ) E 04 i 16 ) o :, I ~ ) 02 13 ) 0 1 ; ,2 > DO II)

( 28) 0 + 5 V T Vee .1. C I

GND ( 14 ) 0 1 TO 111

GND

F -- - -- - - - -- - 1 F H~~-Canl 1 of 1 I • 2 3 4 5 6 7 8

8-10

Page 9: JX Logic Drawings - Appendix B - Retrotronics

A

B

C

D

E

16 bC42 L5367A I

15 b IC40 LS373

14 C2

6C4t LS373

6C49 L.S32 I

~RI 22kn 7p

33"/16~-------------

13-g l ", '"" .. ., .. 12 I I •

D

2

6 IC43 LS24!1

3

ci3J2~ l1C6l I SYSTEM R6M

'-------~

10 CC47 LS04 I

CTI 9 @2 8284A I

CC45 L5ll2A I B44 LSll2A

IC26 HD4650SSP - 2

®~~p 8 6 CC50 LS;>IAI

4 □ p MAli12_i:_AS __ _

7 XI ~c:54 LS04 I

6 ~44 CT65 LS93

5 ii•~ ~M~o]

Q-c,o &~~ 4 Q tOu/ 16\/ ~

3 □; ~

I t;6 LS2571 I IR2 10k06p

6C53 LSl25AI

ccee LS155 I

052 LS08

@ze 764BSA I

[ IC4 8255A

6C87 LS368A I

CC82 LSl74

lli84 7405

6 ,ceo LS244

I 1C86 LS367 A I

j j j IR4 Unfurnished

~-------,330Bp IR3 lkO 9p

4

SYSTEM at

i G H0040AA-4

a I

n iCl3

UOIG

16K SRAM

H

,R9 6806p

a::::==J

IRII 6806p a:==i

I 'f:o LS04 ! IR126806p

~ ·g~-IC_9_0_L_S_t5_t_,j

17!12 MAl62TA5

□• Cit SPI 02 Q._47,!1.

2 [ti eonu

~ 2SCl685RTA

bc29 140510 !lcJ.s-.,1 !ces LSO; I I ,c eJ LS374 I

CB I I I I~\/ C

91R6 I k06p 1R5 3308p Unlu, mshod jJC66 LS244

I0µ /16\/Dtt{] E Jt 2 PR1NTER f tJ 1Rl4

~~043TA 18k0 8p ...._ ___ ~

__ _._.._ ___ _ I D2 I LJ-9PENI C~ASSETE Un l u,n,shed

MAl62TA5 A 5p M

2 3 4

[D

5 6 7 8

b I

J7 ~ IR

C4 a Jt' /16 \/

M p

~C21 4164 cc,1 4 164 17 A

15

6C25 4<016 a I DJ bl

[D a I

bl CC24 4 416

CC20 4164 6Cl6 4164 16

CCl9 4164 cc,s 4164 15

CC23 4416 cc•e 4164 cc~ 4164 14 IRIB Gene

13 CC22 4416

IRB IOkntOp

I I I

ir LS~1 6C78LSOO 13

B 1R17 6806p

12 ~C70 LS374 12

gc11 LS374 II

BC72 LS273 !9 C

K

CC73 LS374 8

CC89 LSl57 7 JM I

CI::J Unlurmshed

al CT] bl I Cl2 MN2364SPJ 6

5 D

CC91 LSl53 4

E

Parls Locati on 1 of I F

5 6 7 8

B-11

Page 10: JX Logic Drawings - Appendix B - Retrotronics

ppe ndix 8 . Logic Diagrams I 2 3 4 5

(010) OSKl 1NfR

A ( o9 ) - RESET

( a I ) DO ( bl ) 01 ( o2 ) 02 ( 02 )

8 ( o3) ( 03) ( 04)

D 3 04

05 06

g~==================::1~ ?--_--:_-_--:_-:._-:._-:._-:._-:_-:_-:_-:_=======i~ ~~===================:J: r--t------_J J,_-_-_ -_ -_ -_ -_ -_-_-_-_-_-_-_-_-_--:_-_-_-:._J....t~

( b4) 07

C ( 06) A2

( 08) - ,OR

) all) -Foe cs b6) A9

( b8 ) - IOW

D ( b5) Al

( o5) AO

E ( 016 ) -FOCCO 1N o--i

F

G (o13,ol4,ol5) + 5V

H

1r:~o~:~~3 GND \

1bl4, bl5 , tl6

0- ·

R5 560

• C8,C9,CIO,Cll, Cl2 ) C 13, C14,Cl5,C 16,Cl7

D10

nr, l> TRICO

WPIOT/ ,. 2$10[

FLTIII l7 STEP

SIDE 27

""'' lt S[EK

-RO .. - WR IC2

40 -cs

WE .. SY NC

2 4

PS I r-'------WJNDO# PSOf-'l,.,_> ___ ~

WOATA 30

GND Vee

20 40

6 7 8 9 10

Unfurnt shed

R8

R4 150

II

- OKV ENBL I ( I 2 ) - MOTORON I ( 15 I A -ORV E NBL 2 ( I 4 )

J-MOTORON 2 ( 10 ) - ] -DRVENBL 3 ( 12)

-MOTORON3 ( 16 )

- READY ( 34 ) 8 ( 34 )

- 1N OE X ( 8 ) ( 8 )

- TRI< 00 ( 26) (26)

-WR PROTECT ( 28) ( 28)

-STEP ( 20) ( 20 ) C D1RECTION ( 18 ) ( 18 )

-SIDE I SELB:l( 32 ) ( 32)

-WR GATE ( 24 ) ( 24)

-WR DATA ( 22) ( 22)

-RO DATA i 30 ) ( 30) D f=8 GNO (1,3,5,·-· ·33)

(1,3,5, --·· 33)

0- --- (ill) 0---- QID

E

Qill r - 7 CTI:3) F r - -, ; , GN o

t 12 YI l >--;.' -4--,__.,..r, 1 t 12 y GNOI L_J

GNOI r -~~ +sv~ _ _J ' ; +12v

I GNO I GNO

+-!-I---'°' I + 5 y L_.J

.--7Qffi G It 12V I G NO I GNO

~- · -~ 1 +sv L_ .J

H

.. ---,---r--22~--T---~

31--,---

4 ___ T ___

5 __

7r--;-e;---T ___

7 ___ T ___

8 __

7r--

9---,~~l~>~is~k~e~t~te~D~r~i~,-~e~A~c=la~p~t~e~r==l~o=f=l=J

8-12 4 5 6 7 8 9 10 11

--

Page 11: JX Logic Drawings - Appendix B - Retrotronics

- A

B

0

• E

G

H •

2 3 4 6 7 8 9 10 11

GJ:D DO ( a I I......,

DI ( b I I,......,'

D2 ( a 2 I,......,'

D3 ( b2 I--' 04 ( a 3 I,......,'

D5 ( b3 I,......,'

D6 ( a4 '--' 07 ( b4 '--'

EX RAM 128

_JL_ ~ .~~ l, 'l LS367 MAO~ •o o1N o1,. MAO-.:. ,o o,,. • ~ 4164 • e Ooo , -,. •T '' oo MAILr-2 Al MA I t,--1 Al DIN -;;- I I I ......_.. MA ••z MA 2~A2 D•N OIN ,-0-,•-••1- 001~11 Jy~QI

Mui,---!! u MAJI~ A.I 01

• Ooz r--...! UoC291T IL., D2 MA4i,.-----!-! .,. MA4 1___..;..: .. 0D3 I'--,.!.!!•• 4TL!..., 03 MM~•• 1Cl5 ICIJ MA5~ •• oCl6 iCl4 oCIZ oCIO IC B oC6 IC4 IC Z 004 r,.....!! UI08 IT.!!..., D4

IRI MAG,.......---!.! Al MAG;~•• 16A 14A 12 A IOA BA 6A 4A 2A 005 ~.. ■TL.!!.., D5

Bk• 8 MA7v-----; A1 15A 13A MA7 ~ ~-••• ~--+--''<1-11

DO DI DO DI D2 03 04 05 06 07 D2 D3 04 D5 D6 D7

I 1 4-L DIN DIN 4164 I 8

I , DIN DIN DIN

,c11 ,cg IC7 IC5 I CJ ,c1

IIA 9A 7A 5A 3A IA

r - _ ...,1

r--;4 -,us ~ · ,._ _ __._1•-a -oa

, ~ MAO ,....... -wr: ~ -wt i....--- 1R2 I ~ MA I ~ - c.ao r' -CAI I 2 K r !l'

it:+:~ ~ 01~~:=-;::,:~~~""UT T'" l lL _o&ir;,:;i'=i::c~~d~~ RAO,,-.........,c.• .~SJ6~T ►'.;--+-=':;.i11--C'""""_..:._.:..+,,' DM

I ~ MAIi IRA IV- -- II IY i=,.-4...;7c,,i..' _,.,,,_=.:..+.:J'

I ~ MA RAO,-,-..! ,. 1c19,., 1 , ~ I

o!!UT ""UT ,. ,.-y oOu!_

"""' ~· o6UT ··---v 00\/T DOuT ,.

l·· DO\JT DO.IT ·~ -~--,>---,;,....-....;,--;,....-->,--;:...-~---------,f-tt+---.o~,-~~-~-~--~--:.--~-~:.._ __ ..) IRA, it-.......!!! •• •T • ' ' -""'"

~ ~ MA, ODO 0D1 DO 001 0 02 0D3 Jeon, ..... !! u 19A STi-!!-- 06, , 0D2 003 0D4 0D5 0D6 0D7 0D4 Oo5 006 0D7

1 '---t-L tt-tt-_-_-_-_-_--:_-_-_-_-_---f-, _-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_c1 _.+ -t\t _-_-_-_-_-_-_-_--:_-_-_-_-_-_--:_-_-_-_-_-_-_-_-_-_,,---- iCI07~ U I T iJ.L D71

I

, .. r+--------4-+--+,........---!''.fj, - 01 : l I !_QI I

LS257 10 zoe"l}!.1-----------------------------1-+-ii-l-_J .-.=,;...... LS393

AO ( a6 >------­A I ( b 6 >------­A 2 ( o7>------­A3 (D7>------_,, A4 ( 08 >------­A5 ( b8 >------­A6 ( a9 >------....-'1 A 7 ( b9 >-------/

Aor--2 ,. IT~ MAO LS32 ICJO ,a.LI. • ._ RAO A8,.....J •I ICl8

Al~ u, zy l!..,__., MAI 198 11:~i~ RAI

A91,,--...._.! 21 IJ I RA2 Ml'--!! JA ST~ MA2,--+-+----------------,---------------~--1-J___J_=__.!.J•• IOD'"j .._ RA3

AJ(l,,-~31 I I.& 2QA~ RAA

AJ~ •• 4T !L., MA3 IC25 o'C24 ~~;:A Ll;l~;A Ll;72.;A 2 IOI";-- RA5 All i,,-~~- 18A tLSI07A f CLO zoc'i"""" RA6

r--+--+--"<1-"t :-;._,,.___....:.,I rS_II...._ IJ 10 5 10 RI CLR 20D~ RA7 ..!. tt L ~DPAQ~.__!.JCLAO~DPA 33 ------ r. C 5 8

13 ___!! C 38 ,-.!. C 58 ~ C 7 8 ~ •C

24 I '----'

REFC(b29')----------+-I-H--,-,=-:----1----LI-...J ~ K arr-• ,__!! K O 8 o~•

LS257 ,.J,. f'A ♦ ~ L-- CLA A4r-..J 1.& IY I,!..._. MA4 I] ~13 13

AB ( al I >------- AJ21,-+-J_J II ICl7 A9(bll>------- [A!t-+J' u nll...,MA5 AIO(al2>-------1 A131,,--.,_.,_! Z1

All (bl2>-------' AE,-.ll u >T~ MA6 A12(a13>------- Al41,,-- .J9 JI A13(bl3: A7 ~.. •Tl!L.., MA7 Al4(al◄ >------- Al5l,-.!] 4117A A 15 ( b 14 >------- ~-+--+-1<1' -0£

.._! S[L ~

-MEMR(a19>----=-------+---------_J

I

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A

B

C

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F

G

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B-13

Page 12: JX Logic Drawings - Appendix B - Retrotronics

Appe ndix 8. Lo!{ic Diagrams I I 2 I 3 I 4 I 5 I 6 I 7 I 8

!IV -+ I U nl urrnshed ) ~ - - - -

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o I I 6 • 1C6 0 I 4 2 3 0 I 4 2 7 " I I 3 AO DOI A O DOI VD 7 7 ~ C I I 13 o 12 Al > . ' VD 8 8 ~

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.. I 3 I I Al .. !I VOIO . " 10 4 ••• 4 ... 003 VO i i II s r---------2. 17 0 !I : ., 17 4 . ,. 12 •• oo• 004 VDl2 6~ 6 VOl3

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A A

B

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CSC3 .,, DST3 ... RST3

b25 ROR3 b24 PRT3

027 GRM3 ... R3

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AO 00 1 2 l!I

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. ,, I 4r----! 4 • .. .,, 1--

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~ • Vee ~ , .L-GD2 ... .. 002 YOO -RAS -RAS Vee

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03 o, 04 -•o 71 04 ••o 70 05 o41 .. D 0

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,I X I I RA3 ... = CG RA4

olO I 20MH, 0 Iµ DSPTO •20 CUSR ... 1 I ' -- VSYC

HSY C ... J, ...

NCC LI< 3 ... 20M

~ F t !II/ "1""" +5V I - ,,f ) ♦ !IV oil ' C7 I Extt•nsiun \"id,· o Car d I

GND :.io7 + 10µ / 16V -GNO ~ I

E

F

I 2 T 3 I 4 I I 5 1 6 I 7 I 8

B-14

Page 13: JX Logic Drawings - Appendix B - Retrotronics

• A

B

C

D

• E

F •

OiD ( a23 ) -64K CD IN

( bl I )

( a II )

( blO )

( a 10)

( b9 )

( a9 )

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( a8 )

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( a3 )

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( a2 )

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( a I )

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( a22)

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( a20)

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( b 13)

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A

B

C

D

E

F

B-15

Page 14: JX Logic Drawings - Appendix B - Retrotronics

App e ndi x B. Logic Diagrams

I

A

(a9) SERIAL 1NTR

al DO

b I DI

( a 2 ) 02

( b 2 ) 03

( a 3 ) 04

8 ( b3 ) 05

( a 4 ) 06

( b4 ) 07

( b 8 ) RESET

( alO) - i OR

( blO) -1 ow ( a 5 ) AO

( b:l ) Al

C ( a6 ) A2

b9 ) -8250 C5

( b6) A9 u ( a8 ) BAUD CLK u

2

I RS 232C I

J1 •:.•'iT"

( a7) -SER I AL CO iN

(al6,bl6) GNO

D ( al4,bl4) + !IV

( al2) +12V u (b12) -12V u

C4 C5 C6 10µ/2:IV I0µ/25V 10µ/ 16V

- + ♦

I~ 1tr I~ ♦ - -

7~ ,+, ,,.,

E

3 4

INS8250A J 30

RI T INTR 2 .2K I

00 -CUTI 34

J z 31 . DI •0UT 2 3 R2

DZ 2.2K • D3 5

D4 33 6 -DTR

D5 32 7 -RTS

II DS sOuT

I D7

35 MA

I Cl Z I

-DISTR ,. -Di5STR ..

T AO

Z7 Vee

40 Al

H za &2 csO 14

Al • -cs2 13

ICI CSI O. lµF IS XTAL I oOsrR

19

DISTA !!__

-ADS 25 -20

QND r--

-r1"T

31 -ALSD

37 -DSA

I

31 -CTS

I O SIN

( ACLK " -uuoour

1 I

5 6

+12v

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IC2 1• ~

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I I I I

~ I I I I

~111 I

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:.R I • I I I 9 I

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I I I 12 I

~ II I

I I I I

L 14 r _J

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3 >: !!>I 6 ) I

8 )1 I I

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RTS

TX DATA

RX DATA

CTS

OSR

CARR1ER

SG

FG

8

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HS-232C Card of l '

8-16

• A

8

• C

• D

• E

F •

Page 15: JX Logic Drawings - Appendix B - Retrotronics

• A

B

• C

• D

• E

• F

2 3 al o2 ol Al A2 Al8

~ ~~ ~ ROMCT ~~l ==::::ic:, ~OSKTA (g:=-=~-0 □11 ::i-- · -- ---o □

bl6

Signal Name A ,--------,----,'B::Cl'-,---'B:..:2:..,... ______ -1'818

8 Signal Name

00 o I b I 01

02 2 2 03

GNO

-CARTR;DGE RESET-

-EROM5

- BASE I ROM

Al3

AB

Al

2

3 4-

5

6

81 -CTWR

2 -EROM7

3 -EROM3

4

5

6

A 14

_A 12

A7

7 7 A6

8 8 A 5 -~ - 9 _' _ _ A --4- - ---l

_ _ _ • . _ 10 _ 10 ··- A 3 II ___ ,_,_.l,....... _ _;_A.:.;2=----1

12 12 Al

AO

00

15 15 01 --02

17 17 - EROM6

1 8 18 Open

025 o2 al

~ EXRAM64 ~- -· --··-□ □ ½□--·-·· -□ Dr b25 b2 bl

00 a I b I DI

02 ' 2 2 03

04 3 3 05

06 4 4 07

1- 5V 5 5 -t 5V

GND 6 6 GNO AO 7 7 . ·open

VIAD 8 8 1 VIAi

VIA2 9 -:9:-1 __ .;_V __ IA..:..::.3 ___ ~

VI A4 ~_1_0 __ ,_o ___ v_1A_5 __ --I

V I A 6 __ I _I __ I_I __ .......cV_I __ A __ 7 _ _

_ . Open ___ . _ _ 12 __ 1_;:z ____ O.:_pe_n __ ---l

04 3 3

06 4 4

AO 5 5

A2 6 6

Opon 7 7

tr· 8 8

RESET 9 9

T IN_TR_ 10 10

DC CS II II

GND 12 12 + 5V i 13

-1-13

1

i N

~ EXRAM128

00

02 -~-' -~ ~-

2 2 '

>------ - J__ 3 - ~ , I 4 4 t

-,--- --' 5

6

7 I _ 7 8 9 T

9 " _ _J _ 1) __ 10...l

II II

A 10 12 12

- - - ~'~ - - , 13 13 A 14 14 14

15 15

16 16

05

07

Open

- i OW

GNO

GND

GND

DI

03

05

07

A II

Al3

Al5

+5V

A 17

+5V Al6

AIB · - - -- · --- -

17 17 , A 19

18 181

-,o'w

b2 bl

13 __ 13_ , _ CAS_ I _

_ ____ 14_ 14 • __ _ SPL_I __

15 AGPO 15 !t~~~F~ ~H~~:w

v,oE6 MEMR 16 16 ' GATE f---'---'C.::.::=--- 2 I 2 I G ND 10/-M --Open . f----'-o_, s::,___;:C_A..:;S_;:O ___ ---·j--7➔• -'1 __ 7 ..... _ - -=ois -E 0 22 22

-LCG 18 18 ___ O_pe_n~----1 - - --- 23

QD,R

QQ AUOoO

I -,R KBO DATA

2 . oR TEST DA-TA

_3 -r- ··-t5V --= _ 4 I GNO ~ +12 V

GND AU0,0

RE ADY ·

~.~:t_: ~ -~ 1R04

-HRO I RI-OT

~,Y_Q_,O ,N

- ~OD E -t 12V

24

25

26

27

28

-~

c _J 9-:=) L - PEN

5 +12V

~ · 2 - LPE N ,NPUT

u 3 +5v 3

. ~ 4 - LPEN SW

5 GNO

2 3

23

24 25 __

26 '

27 :

28

29

Open

_ R_ESET

.. _-_E_~sc ,ROZ

2

3

4

5

6 7

4 5 045

~ EX v,oEo ½B:.-

-

b45

V2AO I a~ I b ~ I V2A2 I V2A4 3 , ---- - --

V 2 A6 4 4

-RA S2 5 5 1

-WIDE 6 6

-G:>IQ 7 7

v oo 8 8

VO 2 9 9

V04 ID 10

VD 6 II II

VO 8 . . . . '.?-~-VOID 13 13 - . VO 12 14 14

- --- - . ----- -· VO 14 ___ _ 15 _ _ 15 '-

V 2 A I

V 2A~ V2A5

V2A7

-CAS2

VO 7

VO 9

VD 11

vp.!l_ -

+ 5 V 16 16 +5 V

Open 17 17 Open

GNO -'~- - ~--- <;;lllf) __ t-~;:JT--. , ~~ ~~•-N~C~L-t-~-3 - --<

RA4 ~J _ 2_? _ RA3

RAZ

2_0M_

23 23

24 24

2~ _ 25 OSPT 3 26 26 - · - - ---

RAO

PRT 3

_ ROR_~ _

_ R~.} GRM3 27 27 OST3

Open 28 28 DSC 3 Open 29 29 - Op;n -

- op;; 30 30 --open -· ··--

GOO 31 31 GO/

__ GO 2 32 32 GD 3

__ ~~4_ _ _ 33 33 Gu5

G06 34 34

GATEE - 35 ' 35 _ ~~

Ope-;;- - - - 36. 36 - RES_E T -: , OW . • 37- 37. -- --i "-0 -"-R _ _ _

- 00- 38 38 DI --- - . - -- ·· - -'-------

02 39 39 ·- 03 _ --

04 _ _ 4~- - 4.ot--0~ _ _ 06 41 41 07

OUSW • -42 . 42 '. _ _ - Open--.

-8 43 43 - I

-R EHS

44 44

45 45 -G EVS

~ C ASSETTE

7 GNO G 10 2 Open

6 7

016 o2 al

~ RS232C s□-··-- --- -□□ ? □- - - -- - · -□□

b/6 b2 bl

Signal Name 0 b I

Signal Name

_Dq _ o •~I r - - -0-1- _

02 r _ 2 . 2 :. D 3 04 3 3 D 5 ,__ ____ - - - --

__ __i)_ ~ -- 4 4 _o 7 AO 5 5 Al

A 2 6 • 6 A9 -SER,AL ·co i N 7 ; 7 - ~ O_pe_n __ _

B·A·uo CLK · · e [ -a-- RE-SET--

SER;A~I N!_!l - =-9 . ..i::.=--=-8250 cs -,OR 10 • IO i -,OW -- .,. -,ir ~ l _ - ·· Open

12 12 - __ l=..2..:..V __ ~

13 13 1 Open +5V ' 14T 14 -----+5 11

15 15

16 16 GND

8

13 12 2 I

GD PR1NTER \oo- - - -01/ o-- ·---o

8 2 I

~o 01SPLAY \o- -- -o oJ o----o

KBO

GNO

R

- HSYNC

H / -LSW

GNO

GND

G

15

DOT CLOG_!(_

Auo,o

GND

9

25

3 DATA I

4 OAT AZ -5 DATA3

6 OATA4 -·- - --OATA5

OATA6

f.-=---K . .::J..:C:.:D:..__---l

21

GN .c.D _ _ __,

l ($ lo! _for. M,s- mserl I

2 2 ____ GNO

......-----G N 0 i--,,.24 _ __ G_ ,rn __

25 GN 0

+5V ~ PSU

14

-~r 5 ~ 1 .3

4 G

2 I

3 ?11~n 4 CA SS AU0,9 -5 M,C DATA OUT

6 MOTOR c'a S WI 7 , CASS MTR CTL

'~' : I O □: ~

2 I FG

3 GNO

4 -CBL KBO DATA

5 '·CABLE CONNECTE 6 ' Op"n .

GN D

GIIO

+5v

_;- ~2 '!. -- 1211 SW 2 8 Open

RX

RY

;- 5 V

GN 0 · Co nnt> e lor 11( 2 O~tt! ll

4 5 6 7 8

A

B

C

D

E

F

B-17

Page 16: JX Logic Drawings - Appendix B - Retrotronics

A

B

C

D

E

F

Appe nd ix 8 . Logic Diagra ms I

Signal Name = ; ~ - = --

Al5 -- -- - -

A 12 . - -A7 - -A 6

AS

A4 - - ---

A3

A2

Al

AO

DO

DI

02

GND

03

04

05

06

07

-ROMIMCS

AIO

Al6

A II

A9

AS

Al3

Al4

+ 5V

B-18

Pin

I - ·-

2

' 3

4

5

I 6

7

8

! 9

10

II

12

13

14

I 15

! 16 I ' 11 I 1

18 I I

19

1 20 I ' 21 ! , 22 l

23

'. 24

' 25

i 26 : 1

27 1

I 2s I

2 3

• A

Signa_l _ Na me -=

Al5 - -- - -

Al2 - - -

A7 -A6 - ~ - -AS

--- - -A4

·- B A3 -A2

Al • AO

DO -DI

02 C GND

03

04 • 05

06

07 - ·

- CGCS D AIO

Al6

A II • A9

AS

Al3

Al4

-t 5 V E

F

2 3 •