Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | - | 1 | { Pins: "000000N0000000000000N0000000"; |
| 2 | Vector: PHI2,RW,PHI0,CX2,DMA,FDC,"N",WD,WF,MW0,AEN,OE,EN,RDY,(DBE,CS0,CS1, |
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| 3 | CS2,IOR,IOW)L,"N",(MRD,MWE,CS3,J,PHI2N,K)L,"0"; |
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| 4 | Object: "JEDEC"; |
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| 5 | Clock: 1,4; |
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| 6 | Low: DBE,CS0,CS1,IOR,IOW,MRD,MWE,CS3,J,PHI2N; |
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| 7 | |||
| 8 | PHI2N = (PHI2); |
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| 9 | |||
| 10 | J = ((RDY) |
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| 11 | #(DMA&FDC) |
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| 12 | #(FDC&WD) |
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| 13 | #(DMA&WF) |
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| 14 | #(WD&WF)); |
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| 15 | |||
| 16 | K = ((RDY) |
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| 17 | #(DMA&FDC) |
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| 18 | #(FDC&WD) |
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| 19 | #(DMA&WF) |
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| 20 | #(WD&WF)); |
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| 21 | |||
| 22 | CS0 = (DMA'&AEN'); |
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| 23 | |||
| 24 | CS1 = (FDC'&AEN'); |
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| 25 | |||
| 26 | CS2 = (FDC'&AEN'); |
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| 27 | |||
| 28 | IOR = (AEN')??((PHI2&RW&DMA'&WD&AEN') |
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| 29 | #(RW&DMA'&WD'&AEN'&EN) |
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| 30 | #(PHI2&RW&FDC'&WF&AEN') |
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| 31 | #(RW&FDC'&WF'&AEN'&EN)); |
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| 32 | |||
| 33 | IOW = (AEN')??((PHI2&RW'&DMA'&WD&AEN') |
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| 34 | #(RW'&DMA'&WD'&AEN'&EN) |
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| 35 | #(PHI2&RW'&FDC'&WF&AEN') |
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| 36 | #(RW'&FDC'&WF'&AEN'&EN)); |
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| 37 | |||
| 38 | MRD = (AEN')??(PHI2&RW&CX2'&OE); |
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| 39 | |||
| 40 | MWE = (AEN')??((PHI2&RW'&CX2'&MW0&OE) |
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| 41 | #(RW'&PHI0&CX2'&MW0'&OE)); |
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| 42 | |||
| 43 | CS3 = ((OE') |
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| 44 | #(PHI2&CX2'&OE)); |
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| 45 | |||
| 46 | DBE = ((PHI2&FDC'&WF&AEN') |
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| 47 | #(FDC'&WF'&AEN'&EN) |
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| 48 | #(PHI2&DMA'&WD&AEN') |
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| 49 | #(DMA'&WD'&AEN'&EN) |
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| 50 | #(PHI2&CX2'&AEN')); |
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| 51 | |||
| 52 | } |