Koden till Latticekretsen. (Logikhanteringen)

MODULE Logic

TITLE 'Logics for control signals of phone module'

DECLARATIONS

//Inputs

//Pin 29 trasig!!!

A13 PIN 10;

A14 PIN 9;

A15 PIN 8;

A16 PIN 7;

AS_ PIN 6;

DS_ PIN 5;

RW PIN 4;

FC0 PIN 3;

FC1 PIN 44;

FC2 PIN 43;

DTACKINTR_ PIN 42;

DTACKINTR2_ PIN 37;

PHONE_ON PIN 28;

PHONE_OFF PIN 30;

//Outputs

CSEPROM_ PIN 21 ISTYPE 'com';

CSRTC_ PIN 25 ISTYPE 'com';

CSDTMF PIN 20 ISTYPE 'com';

CSINTR_ PIN 19 ISTYPE 'com';

CSINTR2_ PIN 39 ISTYPE 'com';

CSSRAM1_ PIN 15 ISTYPE 'com';

CSSRAM2 PIN 16 ISTYPE 'com';

OE_ PIN 17 ISTYPE 'com';

WE_ PIN 18 ISTYPE 'com';

DTACK_ PIN 22 ISTYPE 'com';

IACK_ PIN 26 ISTYPE 'com';

TXENRADIO PIN 41 ISTYPE 'com';

PHONE_INTR_ PIN 31 ISTYPE 'com';

EQUATIONS

//Chip select

!CSEPROM_ = !A13 & !A14 & !A15 & !AS_; //0x0000

!CSRTC_ = !A13 & !A14 & A15 & !AS_; //0x8000

CSDTMF = !A13 & A14 & !A15 & !AS_; //0x4000

!CSINTR_ = !A13 & A14 & A15 & !AS_; //0xc000

!CSINTR2_ = A13 & A14 & !A15 & !AS_; //0x6000

!CSSRAM1_ = A13 & !A14 & !A15 & !AS_; //0x2000

CSSRAM2 = !CSSRAM1_;

//Other control signals

!OE_ = RW & !DS_;

!WE_ = !RW & !DS_;

!DTACK_ = !CSEPROM_ + !CSRTC_ + CSDTMF + (!CSSRAM1_ & CSSRAM2) + !DTACKINTR_ + !DTACKINTR2_;

!IACK_ = FC0 & FC1 & FC2 & !AS_;

TXENRADIO = A16;

!PHONE_INTR_ = PHONE_ON & PHONE_OFF;

END