2020-12-14 21:25:30 +00:00
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chip GAL22V10
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2020-07-29 09:12:19 +00:00
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2020-12-14 21:25:30 +00:00
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NC=1 PHI=2 RW=3 MOD=4 A3=11 A4=10 A5=9 A6=8 A7=7 A8=6 A9=5 A10=18 GND=12
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A11=17 A12=16 A13=14 A14=15 A15=13 RAM2=19 RAM1=20 ROM=21 FF=22 BANK=23 VCC=24
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2020-07-29 09:12:19 +00:00
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equations
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2020-07-31 20:31:08 +00:00
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/ROM = /A15 * A14 * /A13 * /A12 * /A11 * RW * MOD
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+ /A15 * A14 * RW * BANK * MOD
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+ A15 * /A14 * RW * BANK * MOD
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2020-12-14 21:25:30 +00:00
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/RAM1 = /A15 * /A14 * /A13 * A12 * PHI
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+ /A15 * /A14 * A13 * /A12 * PHI
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+ /A15 * /A14 * A13 * A12 * PHI
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/RAM2 = /A15 * A14 * /A13 * /A12 * A11 * /BANK * PHI * MOD
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2020-07-31 20:31:08 +00:00
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+ A15 * /A14 * /BANK * PHI * MOD
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+ /A15 * A14 * A13 * /BANK * PHI * MOD
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+ /A15 * A14 * /A13 * A12 * /BANK * PHI * MOD
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+ /A15 * A14 * PHI * /MOD
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+ A15 * /A14 * PHI * /MOD
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FF = A3 * A4 * A5 * A6 * A7 * A8 * A9 * A10 * /A11 * /A12 * /A13 * A14 * /RW * PHI * MOD
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