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<text
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           style="fill:#231f20;fill-opacity:1;fill-rule:nonzero;stroke:none;font-family:Arial;font-variant:normal;font-weight:bold;font-size:16;writing-mode:lr;-inkscape-font-specification:'Arial,Bold'"
           x="0 9.776 20.448 24.896 35.568 45.344 54.24 63.136 68.464 74.688 84.464"
           y="0"
           sodipodi:role="line"
           id="tspan377">ZX Spectrum</tspan></text>
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         id="path429" /><path
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         style="fill:none;stroke:#6f0000;stroke-opacity:1;stroke-width:1;stroke-linecap:square;stroke-linejoin:miter;stroke-miterlimit:3.8636;stroke-dasharray:none"
         id="path431" /><path
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         style="fill:none;stroke:#6f0000;stroke-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:3.8637;stroke-dasharray:none"
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         transform="matrix(1,0,0,-1,1828,1734.2601)"
         id="text435"><tspan
           style="fill:#231f20;fill-opacity:1;fill-rule:nonzero;stroke:none;font-family:Arial;font-variant:normal;font-weight:bold;font-size:10;writing-mode:lr;-inkscape-font-specification:'Arial,Bold'"
           x="0 7.22 13.33 16.66 22.22 27.78"
           y="0"
           sodipodi:role="line"
           id="tspan437">Notes:</tspan></text>
<text
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         id="text439"><tspan
           style="fill:#231f20;fill-opacity:1;fill-rule:nonzero;stroke:none;font-family:Arial;font-variant:normal;font-weight:normal;font-size:10;writing-mode:lr;-inkscape-font-specification:Arial"
           x="0 2.682 8.144 13.606 16.1901 21.6521 26.5541 29.1382 32.3702 37.8322 42.7342 44.8562 49.7582 52.4402 57.9022 61.1342 63.7183 66.4003 69.6323 75.0943 83.3263 85.9104 88.5924 91.2744 98.9564 106.0784 113.7604 116.3445 121.8065 123.9285 129.3905 134.2925 136.8766 138.9986 144.4606 147.0447 152.5067 157.9687 160.0907 162.2127 164.3347 169.7967 175.2587 177.8428 183.3048 188.7668 195.8888 201.3508 203.9349 206.6169 212.0789 217.5409 220.125 225.587 231.049 236.511 238.633 241.315 243.437 248.899 254.361 259.823 261.945 264.5291 266.6511 272.1131 277.5751 283.0371 287.9391 290.5232 295.9852 301.4472 304.0313 306.7133 309.3953 317.0773 324.1993 331.8813"
           y="0"
           sodipodi:role="line"
           id="tspan441">the 1k resistor from /IORQ aids in pulling down the additional loads on /IORQ </tspan><tspan
           style="fill:#231f20;fill-opacity:1;fill-rule:nonzero;stroke:none;font-family:Arial;font-variant:normal;font-weight:normal;font-size:10;writing-mode:lr;-inkscape-font-specification:Arial"
           x="0 7.22 12.78 19.45 22.23 25.01 27.79 30.57 33.35 35.57 40.57 43.35 48.91 52.24 57.8 63.36 68.92 74.48 76.7 81.7 84.48 90.04 95.6 98.38 101.16 104.49 110.05 115.61 121.17 123.39 126.72 132.28 137.84 140.62 146.18 151.74 157.3 160.08 168.41 173.97 178.97 181.75 187.31 192.87 195.65 201.21 209.54 211.76 214.54 217.32 222.88 228.44"
           y="12"
           sodipodi:role="line"
           id="tspan443">ULA. It is probably not required and may be omitted.</tspan><tspan
           style="fill:#231f20;fill-opacity:1;fill-rule:nonzero;stroke:none;font-family:Arial;font-variant:normal;font-weight:normal;font-size:10;writing-mode:lr;-inkscape-font-specification:Arial"
           x="0 6.11 11.67 17.23 20.01 25.57 31.13 36.69 43.36 48.92 54.48 60.04 62.82 68.38 73.94 78.94 81.72 83.94 89.5 94.5 100.06 103.39 106.17 111.73 117.29 120.07 126.74 129.52 136.19 138.97 146.19 148.97 154.53 160.09 162.87 168.43 173.99 176.77 181.77 184.55 187.33 193.44 199 204.56 207.89 213.45 216.23 221.79 225.12 230.68 233.46 236.24 241.8 247.36 250.14 252.36 257.92 263.48 269.04 271.82 274.6 276.82 279.04 284.6 290.16 295.16 297.94 304.61 310.17 312.95 315.73 321.29"
           y="24"
           sodipodi:role="line"
           id="tspan445">The 74LS148 has inverted A/B/C outputs. Therefore the input lines A8 to </tspan><tspan
           style="fill:#231f20;fill-opacity:1;fill-rule:nonzero;stroke:none;font-family:Arial;font-variant:normal;font-weight:normal;font-size:10;writing-mode:lr;-inkscape-font-specification:Arial"
           x="0 6.67 12.23 17.79 20.57 28.9 34.46 39.46 42.24 45.02 50.58 56.14 58.92 63.92 69.48 75.04 80.6 86.16 91.16 93.94 99.5 105.06 107.84 110.06 115.62 118.4 121.73 127.29 132.29 137.85 141.18 146.18 151.74 154.52 160.08 163.41 168.97 174.53 177.86 180.64 183.42 188.98 191.76 193.98 199.54 205.1 210.66 213.44 216.22 221.78 224.56 227.34 232.9 235.68 241.24 244.02 249.58 252.36 255.14 257.92 263.48 269.04 271.82 277.38 282.94 288.5 295.17 300.73 306.29 311.85"
           y="36"
           sodipodi:role="line"
           id="tspan447">A15 must be connected in reverse order to input 0 to 7 of the 74LS148.</tspan></text>
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