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- ;; 8051/8052 Special-Function Registers...
- NOLIST
- ;; Register Address Reset Notes
- ACC EQU 0xE0 ; 0x00 Bit addressable
- B EQU 0xF0 ; 0x00 Bit addressable
- DPH EQU 0x83 ; 0x00
- DPL EQU 0x82 ; 0x00
- IE EQU 0xA8 ; 0x00 Bit addressable
- IE_EA ALIAS "IE.7" ; All interrupts
- IE_ET2 ALIAS "IE.5" ; Timer 2 (8052)
- IE_ES ALIAS "IE.4" ; Serial port
- IE_ET1 ALIAS "IE.3" ; Timer 1
- IE_EX1 ALIAS "IE.2" ; External interrupt 1
- IE_ET0 ALIAS "IE.1" ; Timer 0
- IE_EX0 ALIAS "IE.0" ; External interrupt 0
- IP EQU 0xB8 ; 0x00 Bit addressable
- P0 EQU 0x80 ; 0xFF Bit addressable
- P1 EQU 0x90 ; 0xFF Bit addressable
- P2 EQU 0xA0 ; 0xFF Bit addressable
- P3 EQU 0xB0 ; 0xFF Bit addressable
- PCON EQU 0x87 ; ??
- PSW EQU 0xD0 ; 0x00 Bit addressable
- PSW_CY ALIAS "PSW.7" ; Carry
- PSW_AC ALIAS "PSW.6" ; Auxiliary carry
- PSW_F0 ALIAS "PSW.5" ; General purpose flag
- PSW_RS1 ALIAS "PSW.4" ; Register bank
- PSW_RS0 ALIAS "PSW.3" ; Register bank
- PSW_OV ALIAS "PSW.2" ; Overflow
- PSW_UDF ALIAS "PSW.1" ; User definable flag
- PSW_P ALIAS "PSW.0" ; Parity
- RCAP2H EQU 0xCB ; 0x00 8052
- RCAP2L EQU 0xCA ; 0x00 8052
- SBUF EQU 0x99 ; ??
- SCON EQU 0x98 ; 0x00 Bit addressable
- SCON_SM0 ALIAS "SCON.7" ; Serial port mode
- SCON_SM1 ALIAS "SCON.6" ; Serial port mode
- SCON_SM2 ALIAS "SCON.5" ; Serial port mode
- SCON_REN ALIAS "SCON.4" ; Receiver enable
- SCON_TB8 ALIAS "SCON.3" ; 9th data bit to transmit
- SCON_RB8 ALIAS "SCON.2" ; 9th data bit received
- SCON_TI ALIAS "SCON.1" ; Transmit interrupt flag
- SCON_RI ALIAS "SCON.0" ; Receive interrupt flag
- SP EQU 0x81 ; 0x07
- T2CON EQU 0xC8 ; 0x00 Bit addressable, 8052
- TCON EQU 0x88 ; 0x00 Bit addressable
- TCON_TF1 ALIAS "TCON.7" ; Timer 1 overflow flag
- TCON_TR1 ALIAS "TCON.6" ; Timer 1 run control bit
- TCON_TF0 ALIAS "TCON.5" ; Timer 0 overflow flag
- TCON_TR0 ALIAS "TCON.4" ; Timer 0 run control bit
- TCON_IE1 ALIAS "TCON.3" ; External int 1 edge flag
- TCON_IT1 ALIAS "TCON.2" ; Int 1 type control bit
- TCON_IE0 ALIAS "TCON.1" ; External int 0 edge flag
- TCON_IT0 ALIAS "TCON.0" ; Int 0 type control bit
- TH0 EQU 0x8C ; 0x00
- TL0 EQU 0x8A ; 0x00
- TH1 EQU 0x8D ; 0x00
- TL1 EQU 0x8B ; 0x00
- TH2 EQU 0xCD ; 0x00 8052
- TL2 EQU 0xCC ; 0x00 8052
- TMOD EQU 0x89 ; 0x00
- LIST
- ;; ...8051/8052 Special-Function Registers
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