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- /* (c) Copyright KEIL ELEKTRONIK GmbH. 1990, All rights reserved. */
- /* 80C451 Processor Declarations */
-
- /* BYTE Registers */
- sfr P0 = 0x80;
- sfr P1 = 0x90;
- sfr P2 = 0xA0;
- sfr P3 = 0xB0;
- sfr PSW = 0xD0;
- sfr ACC = 0xE0;
- sfr B = 0xF0;
- sfr SP = 0x81;
- sfr DPL = 0x82;
- sfr DPH = 0x83;
- sfr PCON = 0x87;
- sfr TCON = 0x88;
- sfr TMOD = 0x89;
- sfr TL0 = 0x8A;
- sfr TL1 = 0x8B;
- sfr TH0 = 0x8C;
- sfr TH1 = 0x8D;
- sfr IE = 0xA8;
- sfr IP = 0xB8;
- sfr SCON = 0x98;
- sfr SBUF = 0x99;
-
- /* 80C451 Extensions */
- sfr P4 = 0xC0;
- sfr P5 = 0xC8;
- sfr P6 = 0xD8;
- sfr CSR = 0xE8;
-
-
- /* BIT Registers */
- /* PSW */
- sbit CY = 0xD7;
- sbit AC = 0xD6;
- sbit F0 = 0xD5;
- sbit RS1 = 0xD4;
- sbit RS0 = 0xD3;
- sbit OV = 0xD2;
- sbit P = 0xD0;
-
- /* TCON */
- sbit TF1 = 0x8F;
- sbit TR1 = 0x8E;
- sbit TF0 = 0x8D;
- sbit TR0 = 0x8C;
- sbit IE1 = 0x8B;
- sbit IT1 = 0x8A;
- sbit IE0 = 0x89;
- sbit IT0 = 0x88;
-
- /* IE */
- sbit EA = 0xAF;
- sbit ES = 0xAC;
- sbit ET1 = 0xAB;
- sbit EX1 = 0xAA;
- sbit ET0 = 0xA9;
- sbit EX0 = 0xA8;
-
- /* IP */
- sbit PS = 0xBC;
- sbit PT1 = 0xBB;
- sbit PX1 = 0xBA;
- sbit PT0 = 0xB9;
- sbit PX0 = 0xB8;
-
- /* P3 */
- sbit RD = 0xB7;
- sbit WR = 0xB6;
- sbit T1 = 0xB5;
- sbit T0 = 0xB4;
- sbit INT1 = 0xB3;
- sbit INT0 = 0xB2;
- sbit TXD = 0xB1;
- sbit RXD = 0xB0;
-
- /* SCON */
- sbit SM0 = 0x9F;
- sbit SM1 = 0x9E;
- sbit SM2 = 0x9D;
- sbit REN = 0x9C;
- sbit TB8 = 0x9B;
- sbit RB8 = 0x9A;
- sbit TI = 0x99;
- sbit RI = 0x98;
-
- /* 80C451 Extensions */
- /* CSR */
- sbit MB1 = 0xEF;
- sbit MB0 = 0xEE;
- sbit MA1 = 0xED;
- sbit MA0 = 0xEC;
- sbit OBFC = 0xEB;
- sbit IDSM = 0xEA;
- sbit OBF = 0xE9;
- sbit IBF = 0xE8;
-