RCA RMB-167 manual Alternate GAL Equations, U2 Equations, 1 U1 Equations For Eprom In Low Memory

6.1.2	U2 Equations
; U2	Memory Decode Logic
;----------------- PIN Declarations ---------------
; --- inputs ---
PIN	1	A0	COMBINATORIAL ;
PIN	2	A14	COMBINATORIAL ;
PIN	3	A15	COMBINATORIAL ;
PIN	4	A16	COMBINATORIAL ;
PIN	5	A17	COMBINATORIAL ;
PIN	6	BHE_	COMBINATORIAL ;
PIN	7	MON	COMBINATORIAL ;
PIN	8	HISEG	COMBINATORIAL ;
PIN	9	RESET	COMBINATORIAL ;
PIN 11		AUX0	COMBINATORIAL ;
PIN 19		AUX1	COMBINATORIAL ;
; --- outputs ---
PIN	12	RAMSELL_	COMBINATORIAL ;
PIN	13	RAMSELH_	COMBINATORIAL ;
PIN	14	ROMSEL_	COMBINATORIAL ;
PIN	15	MA14	COMBINATORIAL ;
PIN	16	MA15	COMBINATORIAL ;
PIN	17	MA16	COMBINATORIAL ;
PIN	18	MA17	COMBINATORIAL ;
;----------------- Boolean Equation Segment ------
EQUATIONS
RAMSELL_ =		A0
RAMSELH_ =		BHE_
ROMSEL_ =		1
MA14	=	A14
MA15	=	A15
MA16	=	0
MA17	=	0

6.2Alternate GAL Equations

6.2.1U1 Equations For EPROM In Low Memory

;PALASM Design Description

; EPROM/RAM selected by CFG0 and CFG1

;

;

; jumper at		low 32K	high 32K
; -----------		-------	--------
;	NONE	RAM	RAM
;	CFG0	EPROM	RAM
;	CFG1	RAM	EPROM
;CFG0 and CFG1		EPROM	EPROM
; --- Declaration Segment			----------------------------
TITLE	RMB-167 Memory Decode Logic -- RAM/EPROM
PATTERN
REVISION
AUTHOR
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