/*
	PSX Gold Finger PAL equations.

	Data source:
                psx-gs.bin (PALCE16V-25)

	Device configuration:
		complex

	Suggested GAL16V8 device type for WinCUPL:
		g16v8ma

	Summary of bidirectional pins:

        Pin 19 (BUFOE)  : Output.
        Pin 18 (STB)    : Input.
        Pin 17 (A20)    : Input.
        Pin 16 (FBOUT)  : Output.
        Pin 15 (FWE)    : Output.
        Pin 14 (FOE)    : Output.
        Pin 13 (SD0)    : Output with enable.
        Pin 12 (ACK)    : Output.
*/

Name     ps-par;
PartNo   ;
Date     ;
Revision ;
Designer ;
Company  ;
Assembly ;
Location ;
Device   g16v8;

/* Dedicated input pins */

pin 1   =       FBIN;      /* Unused input */
pin 2   =       PSW; 
pin 3   =       SWR0; 
pin 4   =       SRD; 
pin 5   =       SA18; 
pin 6   =       SA17; 
pin 7   =       SA4; 
pin 8   =       CS0; 
pin 9   =       SA3; 
pin 11  =       SA2; 

/* Input and/or bidirectional pins */

pin 13  =       SD0;      /* Not used as an input when tristated */
pin 17  =       A20;      /* Unused input */
pin 18  =       STB; 

/* Dedicated output pins */

pin 12  =       ACK; 
pin 14  =       FOE; 
pin 15  =       FWE; 
pin 16  =       FBOUT; 
pin 19  =       BUFOE; 

/* Output and output enable equations */

/* 1F020000-1F03FFFF is SD0 drive range (r/o) */
SD0.oe     = !SRD  & !SA18 & SA17 & !CS0;

SD0        =  STB & SA4 & !SA3 & !SA2  /* 1F020010.b : STB in SD0 */
           #  PSW & SA4 &  SA3 & !SA2; /* 1F020018.b : PSW in SD0 */

/* 1F060008 is Comms data output port (w/o) */
ACK        = !SWR0 & SA18 & SA17 & !SA4 & !CS0 & SA3 & !SA2;

/* 1F000000-1F01FFFFF : Flash (first 128K) */ 
/* 1F040000-1F05FFFFF : Flash (second 128K) */
!FOE       = !SRD  & !SA17 & !CS0;
!FWE       = !SWR0 & !SA17 & !CS0;

/* 1F040000.b : Feedback strobe (w/o) */
FBOUT      = !SWR0 & SA18 & !SA17 & !SA4 & !CS0 & !SA2;

/* 1F060000.b : Comms data input (r/o) */
/* 1F060008.b : Comms data output (w/o) */
!BUFOE     = !SWR0 & SRD & SA18 & SA17 & !SA4 & !CS0 & SA3 & !SA2
           #        !SRD & SA18 & SA17 & !SA4 & !CS0 &       !SA2;

/* End */