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Revision as of 11:29, 13 November 2022
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Equations
/** Inputs **/ Pin 2 = M_IO; Pin 3 = IOWR; Pin 4 = IORD; Pin 5 = A7; Pin 6 = A6; Pin 7 = A3; Pin 8 = A2; Pin 9 = A1; /** Outputs **/ Pin 12 = SW; /**(Combinatorial, Output feedback output, Active low) **/ Pin 13 = FLAG; /**(Combinatorial, Output feedback output, Active low) **/ Pin 14 = DSW; /**(Combinatorial, Output feedback output, Active low) **/ Pin 15 = SND; /**(Combinatorial, No output feedback, Active low) **/ Pin 16 = FSET; /**(Combinatorial, No output feedback, Active low) **/ Pin 17 = DMA_ON; /**(Combinatorial, Output feedback output, Active low) **/ Pin 18 = ISET; /**(Combinatorial, Output feedback output, Active low) **/ Pin 19 = INTCS; /**(Combinatorial, Output feedback output, Active low) **/ /** Equations **/ !SW = !IORD & !A7 & !A6 & !A3 & !A2 & !A1; SW.oe = vcc; !FLAG = !IORD & !A7 & !A6 & !A3 & !A2 & A1; FLAG.oe = vcc; !DSW = !IORD & !A7 & !A6 & !A3 & A2 & !A1; DSW.oe = vcc; !SND = !IOWR & !A7 & !A6 & !A3 & !A2 & !A1; SND.oe = vcc; !FSET = !IOWR & !A7 & !A6 & !A3 & !A2 & A1; FSET.oe = vcc; !DMA_ON = !IOWR & !A7 & !A6 & !A3 & A2 & !A1; DMA_ON.oe = vcc; !ISET = !IOWR & !A7 & !A6 & !A3 & A2 & A1; ISET.oe = vcc; !INTCS = !M_IO & !A7 & A6; INTCS.oe = vcc;