%!PS-Adobe-3.0 EPSF-3.0
%%Creator: Mayura Draw, Version 3.6
%%Title: hex21.pdx
%%CreationDate: Fri Jul 28 21:42:18 2000
%%BoundingBox: 0 392 598 745
%%DocumentFonts: Helvetica
%%+ Arial-Black
%%Orientation: Portrait
%%EndComments
%%BeginProlog
%%BeginResource: procset MayuraDraw_ops
%%Version: 3.6
%%Copyright: (c) 1993-99 Mayura Software
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PDXDict begin
% width height matrix proc key cache
% definepattern -\> font
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      /str
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% dict patternfill -
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/setcmykcolor where { %ifelse
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/RE { %def
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  /FontName get exch definefont pop
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/spacecount { %def
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  ( ) { %loop
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/WinAnsiEncoding [
  39/quotesingle 96/grave 130/quotesinglbase/florin/quotedblbase
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  /tilde/trademark/scaron/guilsinglright/oe/dotlessi
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  /aring/ae/ccedilla/egrave/eacute/ecircumflex
  /edieresis/igrave/iacute/icircumflex/idieresis
  /eth/ntilde/ograve/oacute/ocircumflex/otilde
  /odieresis/divide/oslash/ugrave/uacute/ucircumflex
  /udieresis/yacute/thorn/ydieresis
] def

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  /arrowdbldown/lozenge/angleleft/registersans/copyrightsans
  /trademarksans/summation/parenlefttp/parenleftex/parenleftbt
  /bracketlefttp/bracketleftex/bracketleftbt/bracelefttp
  /braceleftmid/braceleftbt/braceex
  241/angleright/integral/integraltp/integralex/integralbt
  /parenrighttp/parenrightex/parenrightbt/bracketrighttp
  /bracketrightex/bracketrightbt/bracerighttp/bracerightmid
  /bracerightbt
] def

/patarray [
/leftdiagonal /rightdiagonal /crossdiagonal /horizontal
/vertical /crosshatch /fishscale /wave /brick
] def
/arrowtype 0 def
/fillC 0 def /fillM 0 def /fillY 0 def /fillK 0 def
/strokeC 0 def /strokeM 0 def /strokeY 0 def /strokeK 1 def
/pattern -1 def
/mat matrix def
/mat2 matrix def
/nesting 0 def
/deferred /N def
/c /curveto load def
/C /curveto load def
/e { gsave concat 0 0 moveto } bind def
/F {
  nesting 0 eq { %ifelse
    pattern -1 eq { %ifelse
      fillC fillM fillY fillK setcmykcolor eofill
    }{ %else
      gsave fillC fillM fillY fillK setcmykcolor eofill grestore
      0 0 0 1 setcmykcolor
      patarray pattern get findfont patternfill
    } ifelse
  }{ %else
    /deferred /F def
  } ifelse
} bind def
/f { closepath F } bind def
/K { /strokeK exch def /strokeY exch def
     /strokeM exch def /strokeC exch def } bind def
/k { /fillK exch def /fillY exch def
     /fillM exch def /fillC exch def } bind def
/L /lineto load def
/m /moveto load def
/n /newpath load def
/N {
  nesting 0 eq { %ifelse
    newpath
  }{ %else
    /deferred /N def
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} def
/S {
  nesting 0 eq { %ifelse
    strokeC strokeM strokeY strokeK setcmykcolor stroke
  }{ %else
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  } ifelse
} bind def
/s { closepath S } bind def
/Tx { fillC fillM fillY fillK setcmykcolor show
      0 leading neg translate 0 0 moveto } bind def
/t { %def
  fillC fillM fillY fillK setcmykcolor
  align dup 0 eq { %ifelse
    pop show
  }{ %else
    dup 1 eq { %ifelse
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    }{ %else
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        pop dup stringwidth pop neg 0 rmoveto show
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          div 0 8#040 4 -1 roll widthshow
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  0 leading neg translate 0 0 moveto
} bind def
/T { grestore } bind def
/TX { pop } bind def
/tbx { pop exch pop sub /jwidth exch def } def
/u {} def
/U {} def
/*u { /nesting nesting 1 add def } def
/*U {
  /nesting nesting 1 sub def
  nesting 0 eq {
    deferred cvx exec
  } if
} def
/w /setlinewidth load def
/d /setdash load def
/B {
  nesting 0 eq { %ifelse
    gsave F grestore S
  }{ %else
    /deferred /B def
  } ifelse
} bind def
/b { closepath B } bind def
/z { /align exch def pop /leading exch def exch findfont
     exch scalefont setfont } bind def
/Pat { /pattern exch def } bind def
/cm { 6 array astore concat } bind def
/q { mat2 currentmatrix pop } bind def
/Q { mat2 setmatrix } bind def
/Ah {
  pop /arrowtype exch def
  currentlinewidth 5 1 roll arrowhead
} bind def
/Arc {
  mat currentmatrix pop
    translate scale 0 0 1 5 -2 roll arc
  mat setmatrix
} bind def
/Bx {
  mat currentmatrix pop
    concat /y1 exch def /x1 exch def /y2 exch def /x2 exch def
    x1 y1 moveto x1 y2 lineto x2 y2 lineto x2 y1 lineto
  mat setmatrix
} bind def
/Rr {
  mat currentmatrix pop
    concat /yrad exch def /xrad exch def
    2 copy gt { exch } if /x2 exch def /x1 exch def
    2 copy gt { exch } if /y2 exch def /y1 exch def
    x1 xrad add y2 moveto
    matrix currentmatrix x1 xrad add y2 yrad sub translate xrad yrad scale
    0 0 1 90 -180 arc setmatrix
    matrix currentmatrix x1 xrad add y1 yrad add translate xrad yrad scale
    0 0 1 180 270 arc setmatrix
    matrix currentmatrix x2 xrad sub y1 yrad add translate xrad yrad scale
    0 0 1 270 0 arc setmatrix
    matrix currentmatrix x2 xrad sub y2 yrad sub translate xrad yrad scale
    0 0 1 0 90 arc setmatrix
    closepath
  mat setmatrix
} bind def
/Ov {
  mat currentmatrix pop
    concat translate scale 1 0 moveto 0 0 1 0 360 arc closepath
  mat setmatrix
} bind def
end
%%EndResource
%%EndProlog
%%BeginSetup
%PDX g 18 18 0 0
%%IncludeFont: Helvetica
%%IncludeFont: Arial-Black
PDXDict begin
%%EndSetup
%%Page: 1 1
%%BeginPageSetup
/_PDX_savepage save def

15 15 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 setlinecap
  7.5 0 moveto 15 7.5 lineto
  0 7.5 moveto 7.5 15 lineto
  2 setlinewidth stroke
} bind
/rightdiagonal true definepattern pop

15 15 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 setlinecap
  7.5 0 moveto 0 7.5 lineto
  15 7.5 moveto 7.5 15 lineto
  2 setlinewidth stroke
} bind
/leftdiagonal true definepattern pop

15 15 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 setlinecap
  0 7.5 moveto 15 7.5 lineto
  2 setlinewidth stroke
} bind
/horizontal true definepattern pop

15 15 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 setlinecap
  7.5 0 moveto 7.5 15 lineto
  2 setlinewidth stroke
} bind
/vertical true definepattern pop

15 15 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 setlinecap
  0 7.5 moveto 15 7.5 lineto
  7.5 0 moveto 7.5 15 lineto
  2 setlinewidth stroke
} bind
/crosshatch true definepattern pop

30 30 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 setlinecap
  0 7.5 moveto 30 7.5 lineto
  0 22.5 moveto 30 22.5 lineto
  7.5 0 moveto 7.5 7.5 lineto
  7.5 22.5 moveto 7.5 30 lineto
  22.5 7.5 moveto 22.5 22.5 lineto
  1 setlinewidth stroke
} bind
/brick true definepattern pop

30 30 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 2 scale
  2 setlinecap
  7.5 0 moveto 15 7.5 lineto
  0 7.5 moveto 7.5 15 lineto
  7.5 0 moveto 0 7.5 lineto
  15 7.5 moveto 7.5 15 lineto
  0.5 setlinewidth stroke
} bind
/crossdiagonal true definepattern pop

30 30 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  2 2 scale
  1 setlinecap
  0 7.5 moveto 0 15 7.5 270 360 arc
  7.5 15 moveto 15 15 7.5 180 270 arc
  0 7.5 moveto 7.5 7.5 7.5 180 360 arc
  0.5 setlinewidth stroke
} bind
/fishscale true definepattern pop

30 30 [300 72 div 0 0 300 72 div 0 0]
{ %definepattern
  1 setlinecap 0.5 setlinewidth
  7.5 0 10.6 135 45 arcn
  22.5 15 10.6 225 315 arc
  stroke
  7.5 15 10.6 135 45 arcn
  22.5 30 10.6 225 315 arc
  stroke
} bind
/wave true definepattern pop

WinAnsiEncoding /_Helvetica /Helvetica RE
WinAnsiEncoding /_Arial-Black /Arial-Black RE

newpath 0 setlinecap 0 setlinejoin 10 setmiterlimit
1 setlinewidth [] 0 setdash
0 392 moveto 0 745 lineto 598 745 lineto 598 392 lineto closepath clip
newpath
%%EndPageSetup
u
181.921 674.588 150.64 735.064 [1 0 0 1 31.28 0] Bx
s
1 1 1 0 k
/_Helvetica 10 11 0 0 z
[1 0 0 1 186.1 719.2] e
27.1098 -2.46 0 9.64 tbx
(IRQ7) t
T
0 0 0 0 k
182.963 675.329 150.64 735.805 [1 0 0 1 62.56 -0.5213] Bx
s
1 1 1 0 k
[1 0 0 1 217.4 718.6] e
27.1098 -2.46 0 9.64 tbx
(IRQ6) t
T
0 0 0 0 k
180.878 675.329 150.64 735.805 [1 0 0 1 94.88 -0.5213] Bx
s
1 1 1 0 k
[1 0 0 1 248.7 718.6] e
27.1098 -2.46 0 9.64 tbx
(IRQ5) t
T
0 0 0 0 k
181.921 675.329 150.64 735.805 [1 0 0 1 125.1 -0.5213] Bx
s
1 1 1 0 k
[1 0 0 1 279.9 718.6] e
27.1098 -2.46 0 9.64 tbx
(IRQ4) t
T
0 0 0 0 k
181.921 675.343 150.64 735.819 [1 0 0 1 156.4 -0.2607] Bx
s
1 1 1 0 k
[1 0 0 1 311.2 717.9] e
27.1098 -2.46 0 9.64 tbx
(IRQ3) t
T
0 0 0 0 k
181.921 674.588 150.64 735.064 [1 0 0 1 187.7 0.2607] Bx
s
1 1 1 0 k
[1 0 0 1 342.5 718.4] e
27.1098 -2.46 0 9.64 tbx
(IRQ2) t
T
0 0 0 0 k
181.921 674.588 150.64 735.064 [1 0 0 1 219 0.2607] Bx
s
1 1 1 0 k
[1 0 0 1 373.8 718.4] e
27.1098 -2.46 0 9.64 tbx
(IRQ1) t
T
0 0 0 0 k
181.921 674.588 150.64 735.064 [1 0 0 1 250.2 0.2607] Bx
s
1 1 1 0 k
[1 0 0 1 405.1 718.4] e
27.1098 -2.46 0 9.64 tbx
(IRQ0) t
T
/_Helvetica 12 13 0 0 z
[1 0 0 1 193.4 687] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 225.7 688.5] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 258 688.5] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 288.3 688.5] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 320.6 689.6] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 350.8 689.6] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 382.1 689.6] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 412.4 689.6] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
q
1 0 0 1 0 0 cm
181.921 711.302 m
433.207 711.302 L
Q
S
U
/_Helvetica 10 11 0 0 z
[1 0 0 1 461.4 476.2] e
127.207 -13.46 0 9.64 tbx
(0 enables an IRQ number) t
(\r) TX
(1 disables an IRQ number) t
T
u
u
q
1 0 0 1 27.11 -214.8 cm
417.567 704.826 m
417.567 693.357 L
Q
S
q
1 0 0 1 27.11 -214.8 cm
417.567 693.357 m
424.866 690.229 L
Q
S
q
1 0 0 1 27.11 -214.8 cm
424.866 690.229 m
417.567 687.101 L
Q
S
q
1 0 0 1 27.11 -216.9 cm
417.567 688.143 m
417.567 677.716 L
Q
S
q
1 0 0 1 27.11 -214.8 cm
417.567 677.716 m
413.396 674.588 L
Q
S
q
1 0 0 1 27.11 -214.8 cm
417.567 703.784 m
414.439 706.912 L
Q
S
U
0 0 0 0 k
182.442 674.561 150.64 735.037 [1 0 0 1 28.67 -217.2] Bx
s
1 1 1 0 k
[1 0 0 1 183.5 502] e
27.1098 -2.46 0 9.64 tbx
(IRQ7) t
T
0 0 0 0 k
182.963 675.329 150.64 735.805 [1 0 0 1 59.95 -217.7] Bx
s
1 1 1 0 k
[1 0 0 1 214.8 501.5] e
27.1098 -2.46 0 9.64 tbx
(IRQ6) t
T
0 0 0 0 k
181.399 675.082 150.119 735.805 [1 0 0 1 92.28 -217.7] Bx
s
1 1 1 0 k
[1 0 0 1 246 501.5] e
27.1098 -2.46 0 9.64 tbx
(IRQ5) t
T
0 0 0 0 k
181.921 675.329 150.64 735.805 [1 0 0 1 122.5 -217.7] Bx
s
1 1 1 0 k
[1 0 0 1 277.3 501.5] e
27.1098 -2.46 0 9.64 tbx
(IRQ4) t
T
0 0 0 0 k
182.442 674.822 150.119 735.297 [1 0 0 1 153.8 -217.4] Bx
s
1 1 1 0 k
[1 0 0 1 308.6 500.7] e
27.1098 -2.46 0 9.64 tbx
(IRQ3) t
T
0 0 0 0 k
181.921 674.588 150.64 735.064 [1 0 0 1 185.1 -216.9] Bx
s
1 1 1 0 k
[1 0 0 1 339.9 501.2] e
27.1098 -2.46 0 9.64 tbx
(IRQ2) t
T
0 0 0 0 k
181.921 674.588 150.64 735.064 [1 0 0 1 216.4 -216.9] Bx
s
1 1 1 0 k
[1 0 0 1 371.2 501.2] e
27.1098 -2.46 0 9.64 tbx
(IRQ1) t
T
0 0 0 0 k
181.921 674.588 150.64 735.064 [1 0 0 1 247.6 -216.9] Bx
s
1 1 1 0 k
[1 0 0 1 402.4 501.2] e
27.1098 -2.46 0 9.64 tbx
(IRQ0) t
T
/_Helvetica 12 13 0 0 z
[1 0 0 1 190.8 469.8] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 223.1 471.3] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 255.4 471.3] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 285.7 471.3] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
0.07 0.78 0.74 0 k
[1 0 0 1 318 472.4] e
10.4268 -2.952 0 11.568 tbx
(0) t
T
1 1 1 0 k
[1 0 0 1 348.2 472.4] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 379.5 472.4] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
[1 0 0 1 409.7 472.4] e
10.4268 -2.952 0 11.568 tbx
(?) t
T
q
1 0 0 1 -2.607 -217.2 cm
181.921 711.302 m
433.207 711.302 L
Q
S
U
u
u
0 0 0 0 k
400.884 616.198 149.598 647.479 [1 0 0 1 30.24 -47.96] Bx
s
q
1 0 0 1 30.24 -47.96 cm
181.921 647.479 m
181.921 617.241 L
Q
S
q
1 0 0 1 30.24 -47.96 cm
213.201 646.436 m
213.201 615.155 L
Q
S
q
1 0 0 1 30.24 -47.96 cm
244.482 647.479 m
244.482 616.198 L
Q
S
q
1 0 0 1 30.24 -47.96 cm
275.762 647.479 m
275.762 616.198 L
Q
S
q
1 0 0 1 30.24 -47.96 cm
308.085 646.436 m
308.085 616.198 L
Q
S
q
1 0 0 1 30.24 -47.96 cm
338.323 646.436 m
338.323 616.198 L
Q
S
q
1 0 0 1 30.24 -47.96 cm
369.604 646.436 m
369.604 615.155 L
Q
S
U
1 1 1 0 k
[1 0 0 1 381.1 581.7] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
[1 0 0 1 320.6 580.6] e
14.5976 -2.952 0 11.568 tbx
(0) t
T
[1 0 0 1 192.3 579] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
[1 0 0 1 224.7 580.1] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
[1 0 0 1 257 580.1] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
[1 0 0 1 289.3 581.1] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
[1 0 0 1 351.9 581.1] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
[1 0 0 1 411.3 581.1] e
12.5122 -2.952 0 11.568 tbx
(1) t
T
U
/_Helvetica 12 13 0 1 z
[1 0 0 1 92.25 712] e
83.4146 -15.952 -83.4146 11.568 tbx
(inportb\(0x21\) has some ) t
(\r) TX
(bit values symbolized by ?'s:) t
T
/_Arial-Black 14 15 0 0 z
[1 0 0 1 317.5 635.2] e
18.7683 -4.34 0 15.414 tbx
(&) t
T
q
1 0 0 1 0 0 cm
308.085 668.332 m
308.085 611.204 L
Q
S
q
1 0 0 1 0 0 cm
308.085 668.332 308.085 611.204 4 2 Ah
Q
q
1 0 0 1 -3.128 -105.3 cm
308.085 668.332 m
308.085 633.101 L
Q
S
q
1 0 0 1 -3.128 -105.3 cm
308.085 668.332 308.085 633.101 4 2 Ah
Q
/_Helvetica 12 13 0 0 z
[1 0 0 1 48.46 578.8] e
81.3293 -2.952 0 11.568 tbx
(0xF7 in binary:) t
T
[1 0 0 1 322.7 536] e
72.9878 -2.952 0 11.568 tbx
(Results in) t
T
0.07 0.78 0.74 0 k
/_Helvetica 12 13 0 1 z
[1 0 0 1 86.52 488.6] e
64.125 -15.952 -64.125 11.568 tbx
(ensures that IRQ3 gets) t
(\r) TX
(a 0 value) t
T
1 1 1 0 k
/_Helvetica 12 13 0 0 z
[1 0 0 1 339.4 636.4] e
175.171 -2.952 0 11.568 tbx
(\(logical bitwise AND operation\)) t
T
q
1 0 0 1 0 0 cm
91.2073 465.174 m
91.2073 429.723 L
Q
S
q
1 0 0 1 0 0 cm
91.2073 429.723 m
320.598 429.723 L
Q
S
q
1 0 0 1 0 0 cm
320.598 429.723 m
320.598 451.619 L
Q
S
q
1 0 0 1 0 0 cm
320.598 429.723 320.598 451.619 4 2 Ah
Q
[1 0 0 1 19.26 404.6] e
223.134 -2.952 0 11.568 tbx
(while all other bit values stay the same) t
T
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