Macintosh SE
From
PLD
PLD Information | Credits | Download | View | |||||
---|---|---|---|---|---|---|---|---|
Dump Method | Target Device | Location | ID | Status | Creator(s) | Tester(s) | Files | Pictures |
Recreated | GAL16V8 | U9D | 341-0538-A | Tested | Porchy | Kai | ZIP |
Equations
341-0538-A Equations
pin 1 = CLK; /* Unused input */ pin 2 = PB6; /* Input */ pin 3 = IRQ; /* Input */ pin 4 = WRDATE; /* Input */ pin 5 = ENABLE1; /* Input */ pin 6 = PA4; /* Input */ pin 7 = 16MCLK; /* Input */ pin 8 = PA3; /* Input */ pin 9 = RTXNABLW; /* Input */ pin 11 = OE; /* Input */ pin 12 = RTXCA; /* Combinatorial output */ pin 13 = OUTA; /* Input */ pin 14 = BBUIRQ; /* Fixed low output w/ output enable */ pin 15 = ENABLEL; /* Combinatorial output */ pin 16 = ENABLEU; /* Combinatorial output */ pin 17 = FLOPPYWR; /* Combinatorial output */ pin 18 = NC; /* Unused input */ pin 19 = FCLK; /* Combinatorial output w/ output enable */ !FCLK = 16MCLK; FCLK.oe = !OE; !FLOPPYWR = WRDATE; !ENABLEU = !ENABLE1 & !PA4; !ENABLEL = !ENABLE1 & PA4; BBUIRQ = 'b'0; BBUIRQ.oe = !PB6 & IRQ; !RTXCA = !PA3 & !RTXNABLW & !OUTA # PA3 & !RTXNABLW & !OUTA # !PA3 & RTXNABLW & !OUTA # PA3 & !RTXNABLW & OUTA;
Credits
- IC donated by Kai Robinson for reversing