; JED2EQN -- JEDEC file to Boolean Equations disassembler (Version V063)
; Copyright (c) National Semiconductor Corporation 1990-1993
; Disassembled from SP180_U2.jed. Date: 2024-01-30

chip SP180_U2 GAL22V10

/PEQ	= 1 
/CPU_WR	= 2 
/CPU_BUSACK	= 3 
i8	= 8 
STE_CM1	= 9 
STE_CM2	= 10 
CPU_PHI	= 11 
GND	= 12 
/STE_U8_pin_1_nDIR	= 14 
/E1_B_BUSRQ	= 15 
/f16		= 16 
/STE_ADRSTB	= 17 
/STE_DATSTB	= 18 
/STE_ADDR_EN	= 19 
/STE_U8_pin_19_OE	= 20 
/STE_TFRERR		= 21 
STE_CM0		= 22 
E3_pin_B	= 23 
VCC		= 24 

@ues ffffffffffffffff

STE_both_strobes	=	STE_DATSTB * STE_ADRSTB
STE_mem			=	STE_CM2  * STE_CM1
STE_io			=	

equations


/E3_pin_B	= /STE_TFRERR * /STE_ADDR_EN * STE_U8_pin_19_OE * /STE_CM0 * CPU_PHI
		+ /STE_TFRERR * /STE_ADDR_EN * STE_DATSTB *  CPU_WR

E3_pin_B.oe	= PEQ * CPU_BUSACK * STE_DATSTB * STE_mem_cycle * E1_B_BUSRQ

/STE_CM0 	= gnd
STE_CM0.oe 	= gnd

STE_TFRERR 	= gnd
/STE_TFRERR.oe 	= gnd

STE_U8_pin_19_OE	= CPU_BUSACK * STE_both_strobes * E1_B_BUSRQ * /CPU_PHI *  STE_CM0
			+ CPU_BUSACK * STE_both_strobes * E1_B_BUSRQ * /CPU_PHI * /STE_CM0 * /i8
	 		+ STE_U8_pin_19_OE * STE_DATSTB

/STE_U8_pin_19_OE.oe = vcc

STE_ADDR_EN	= /CPU_PHI * f16
		+ /CPU_PHI * CPU_WR
		+ STE_ADDR_EN * STE_DATSTB

/STE_ADDR_EN.oe = STE_both_strobes * STE_mem_cycle * E1_B_BUSRQ * PEQ * CPU_BUSACK 

STE_DATSTB = gnd

/STE_DATSTB.oe = gnd

  STE_ADRSTB = gnd

/STE_ADRSTB.oe = gnd

f16 = STE_CM0 * STE_U8_pin_19_OE * CPU_PHI
	+ STE_DATSTB * f16

/f16.oe = STE_both_strobes * STE_mem_cycle * E1_B_BUSRQ * PEQ * CPU_BUSACK

E1_B_BUSRQ = PEQ * /CPU_BUSACK * STE_both_strobes * STE_mem_cycle
    + STE_both_strobes * E1_B_BUSRQ

/E1_B_BUSRQ.oe = vcc

STE_U8_pin_1_nDIR	= STE_both_strobes* STE_mem_cycle  * /STE_CM0 * PEQ * CPU_BUSACK * /CPU_PHI
			+ STE_DATSTB * /i8

/STE_U8_pin_1_nDIR.oe = vcc