; REV. 1.0 MAY 23, 1984 P0 DATA 080H ;PORT 0 SP DATA 081H ;STACK POINTER DPL DATA 082H ;DATA POINTER - LOW BYTE DPH DATA 083H ;DATA POINTER - HIGH BYTE TCON DATA 088H ;TIMER CONTROL TMOD DATA 089H ;TIMER MODE TL0 DATA 08AH ;TIMER 0 - LOW BYTE TL1 DATA 08BH ;TIMER 1 - LOW BYTE TH0 DATA 08CH ;TIMER 0 - HIGH BYTE TH1 DATA 08DH ;TIMER 1 - HIGH BYTE P1 DATA 090H ;PORT 1 P2 DATA 0A0H ;PORT 2 IE DATA 0A8H ;INTERRUPT ENABLE P3 DATA 0B0H ;PORT 3 IP DATA 0B8H ;INTERRUPT PRIORITY STS DATA 0C8H ;SIU STATUS REGISTER SMD DATA 0C9H ;SERIAL MODE RCB DATA 0CAH ;RECEIVE CONTROL BYTE RBL DATA 0CBH ;RECEIVE BUFFER LENGTH RBS DATA 0CCH ;RECEIVE BUFFER START RFL DATA 0CDH ;RECEIVE FIELD LENGTH STAD DATA 0CEH ;STATION ADDRESS DMA_CNT DATA 0CFH ;DMA COUNT PSW DATA 0D0H ;PROGRAM STATUS WORD NSNR DATA 0D8H ;SEND COUNT/RECEIVE COUNT SIUST DATA 0D9H ;SIU STATE COUNTER TCB DATA 0DAH ;TRANSMIT CONTROL BYTE TBL DATA 0DBH ;TRANSMIT BUFFER LENGTH TBS DATA 0DCH ;TRANSMIT BUFFER START FIFO0 DATA 0DDH ;THREE BYTE FIFO FIFO1 DATA 0DEH FIFO2 DATA 0DFH ACC DATA 0E0H ;ACCUMULATOR B DATA 0F0H ;MULTIPLICATION REGISTER IT0 BIT 088H ;TCON.0 - EXT. INTERRUPT 0 TYPE IE0 BIT 089H ;TCON.1 - EXT. INTERRUPT 0 EDGE FLAG IT1 BIT 08AH ;TCON.2 - EXT. INTERRUPT 1 TYPE IE1 BIT 08BH ;TCON.3 - EXT. INTERRUPT 1 EDGE FLAG TR0 BIT 08CH ;TCON.4 - TIMER 0 ON/OFF CONTROL TF0 BIT 08DH ;TCON.5 - TIMER 0 OVERFLOW FLAG TR1 BIT 08EH ;TCON.6 - TIMER 1 ON/OFF CONTROL TF1 BIT 08FH ;TCON.7 - TIMER 1 OVERFLOW FLAG EX0 BIT 0A8H ;IE.0 - EXTERNAL INTERRUPT 0 ENABLE ET0 BIT 0A9H ;IE.1 - TIMER 0 INTERRUPT ENABLE EX1 BIT 0AAH ;IE.2 - EXTERNAL INTERRUPT 1 ENABLE ET1 BIT 0ABH ;IE.3 - TIMER 1 INTERRUPT ENABLE ES BIT 0ACH ;IE.4 - SIU INTERRUPT ENABLE EA BIT 0AFH ;IE.7 - GLOBAL INTERRUPT ENABLE RXD BIT 0B0H ;P3.0 - SERIAL PORT RECEIVE INPUT TXD BIT 0B1H ;P3.1 - SERIAL PORT TRANSMIT OUTPUT INT0 BIT 0B2H ;P3.2 - EXTERNAL INTERRUPT 0 INPUT INT1 BIT 0B3H ;P3.3 - EXTERNAL INTERRUPT 1 INPUT T0 BIT 0B4H ;P3.4 - TIMER 0 COUNT INPUT T1 BIT 0B5H ;P3.5 - TIMER 1 COUNT INPUT WR BIT 0B6H ;P3.6 - WRITE CONTROL FOR EXT. MEMORY RD BIT 0B7H ;P3.7 - READ CONTROL FOR EXT. MEMORY PX0 BIT 0B8H ;IP.0 - EXTERNAL INTERRUPT 0 PRIORITY PT0 BIT 0B9H ;IP.1 - TIMER 0 PRIORITY PX1 BIT 0BAH ;IP.2 - EXTERNAL INTERRUPT 1 PRIORITY PT1 BIT 0BBH ;IP.3 - TIMER 1 PRIORITY PS BIT 0BCH ;IP.4 - SERIAL PORT PRIORITY RBP BIT 0C8H ;STS.0 - RECEIVE BUFFER PROTECT AM BIT 0C9H ;STS.1 - AUTO/ADDRESSED MODE SELECT OPB BIT 0CAH ;STS.2 - OPITIONAL POLL BIT BOV BIT 0CBH ;STS.3 - RECEIVE BUFFER OVERRUN SI BIT 0CCH ;STS.4 - SIU INTERRUPT FLAG RTS BIT 0CDH ;STS.5 - REQUEST TO SEND RBE BIT 0CEH ;STS.6 - RECEIVE BUFFER EMPTY TBF BIT 0CFH ;STS.7 - TRANSMIT BUFFER FULL P BIT 0D0H ;PSW.0 - ACCUMULATOR PARITY FLAG OV BIT 0D2H ;PSW.2 - OVERFLOW FLAG RS0 BIT 0D3H ;PSW.3 - REGISTER BANK SELECT 0 RS1 BIT 0D4H ;PSW.4 - REGISTER BANK SELECT 1 F0 BIT 0D5H ;PSW.5 - FLAG 0 AC BIT 0D6H ;PSW.6 - AUXILIARY CARRY FLAG CY BIT 0D7H ;PSW.7 - CARRY FLAG SER BIT 0D8H ;NSNR.0 - RECEIVE SEQUENCE ERROR NR0 BIT 0D9H ;NSNR.1 - RECEIVE SEQUENCE COUNTER-BIT 0 NR1 BIT 0DAH ;NSNR.2 - RECEIVE SEQUENCE COUNTER-BIT 1 NR2 BIT 0DBH ;NSNR.3 - RECEIVE SEQUENCE COUNTER-BIT 2 SES BIT 0DCH ;NSNR.4 - SEND SEQUENCE ERROR NS0 BIT 0DDH ;NSNR.5 - SEND SEQUENCE COUNTER-BIT 0 NS1 BIT 0DEH ;NSNR.6 - SEND SEQUENCE COUNTER-BIT 1 NS2 BIT 0DFH ;NSNR.7 - SEND SEQUENCE COUNTER-BIT 2