251sb.inc

mcs51,2051,x86系列MCU

;  REGISTER DECLARATIONS FOR 8xC251SB
; ASM-language include file for 251SA/SB/SP/SQ....
;******** 8xC251SA/SB/SP/SQ SPECIFIC SFRS *******

PCON     EQU   "S:087H"
AUXR     EQU   "S:08EH"
IEA      EQU   "S:0A7H"
SADDR    EQU   "S:0A9H"
IPAH     EQU   "S:0B5H"
IPA      EQU   "S:0B6H"
IE       EQU   "S:0A8H"
IE0      EQU   "S:0A8H"
IP       EQU   "S:0B8H"
IPL0     EQU   "S:0B8H"
IPH      EQU   "S:0B7H"
IPH0     EQU   "S:0B7H"
SADEN    EQU   "S:0B9H"
T2MOD    EQU   "S:0C9H"
RCAP2L   EQU   "S:0CAH"
RCAP2H   EQU   "S:0CBH"
CCON     EQU   "S:0D8H"
CMOD     EQU   "S:0D9H"
CCAPM0   EQU   "S:0DAH"
CCAPM1   EQU   "S:0DBH"
CCAPM2   EQU   "S:0DCH"
CCAPM3   EQU   "S:0DDH"
CCAPM4   EQU   "S:0DEH"
CL       EQU   "S:0E9H"
CCAP0L   EQU   "S:0EAH"
CCAP1L   EQU   "S:0EBH"
CCAP2L   EQU   "S:0ECH"
CCAP3L   EQU   "S:0EDH"
CCAP4L   EQU   "S:0EEH"
CH       EQU   "S:0F9H"
CCAP0H   EQU   "S:0FAH"
CCAP1H   EQU   "S:0FBH"
CCAP2H   EQU   "S:0FCH"
CCAP3H   EQU   "S:0FDH"
CCAP4H   EQU   "S:0FEH"
ACC      EQU   "S:0E0H"
B        EQU   "S:0F0H"
DPH      EQU   "S:083H"
DPL      EQU   "S:082H"
DPXL     EQU   "S:084H"
P0       EQU   "S:080H"
P1       EQU   "S:090H"
P2       EQU   "S:0A0H"
P3       EQU   "S:0B0H"
PSW      EQU   "S:0D0H"
PSW1     EQU   "S:0D1H"
SBUF     EQU   "S:099H"
SCON     EQU   "S:098H"
SP       EQU   "S:081H"
SPH      EQU   "S:0BDH"
T2CON    EQU   "S:0C8H"
TCON     EQU   "S:088H"
TMOD     EQU   "S:089H"
TH0      EQU   "S:08CH"
TL0      EQU   "S:08AH"
TH1      EQU   "S:08DH"
TL1      EQU   "S:08BH"
TH2      EQU   "S:0CDH"
TL2      EQU   "S:0CCH"
WDTRST   EQU   "S:0A6H"
WCON     EQU   "S:0A7H"

;<<<<<<<< EQU REGISTERS >>>>>>>>
;******** CCON *******
CF       EQU   "S:0D8H.7"
CR       EQU   "S:0D8H.6"
CCF4     EQU   "S:0D8H.4"
CCF3     EQU   "S:0D8H.3"
CCF2     EQU   "S:0D8H.2"
CCF1     EQU   "S:0D8H.1"
CCF0     EQU   "S:0D8H.0"

;******** CMOD *******
CIDL     EQU   "S:0D9H.7"
WDTE     EQU   "S:0D9H.6"
CPS1     EQU   "S:0D9H.2"
CPS0     EQU   "S:0D9H.1"
ECF      EQU   "S:0D9H.0"

;******* IE0 *******
EA       EQU   "S:0A8H.7"
EC       EQU   "S:0A8H.6"
ET2      EQU   "S:0A8H.5"
ES       EQU   "S:0A8H.4"
ET1      EQU   "S:0A8H.3"
EX1      EQU   "S:0A8H.2"
ET0      EQU   "S:0A8H.1"
EX0      EQU   "S:0A8H.0"

;******** PCON ******
SMOD1    EQU   "S:087H.7"
SMOD0    EQU   "S:087H.6"
POF      EQU   "S:087H.4"
GF1      EQU   "S:087H.3"
GF0      EQU   "S:087H.2"
PD       EQU   "S:087H.1"
IDL      EQU   "S:087H.0"

;******** PSW ******
CY       EQU   "S:0D0H.7"
AC       EQU   "S:0D0H.6"
F0       EQU   "S:0D0H.5"
RS1      EQU   "S:0D0H.4"
RS0      EQU   "S:0D0H.3"
OV       EQU   "S:0D0H.2"
UD       EQU   "S:0D0H.1"
P        EQU   "S:0D0H.0"

;******** PSW1 ******
N        EQU   "S:0D1H.5"
Z        EQU   "S:0D1H.1"

;******** SCON *******
FE_SM0   EQU   "S:098H.7"
SM1      EQU   "S:098H.6"
SM2      EQU   "S:098H.5"
REN      EQU   "S:098H.4"
TB8      EQU   "S:098H.3"
RB8      EQU   "S:098H.2"
TI       EQU   "S:098H.1"
RI       EQU   "S:098H.0"

;******** T2CON *******
TF2      EQU   "S:0C8H.7"
EXF2     EQU   "S:0C8H.6"
RCLK     EQU   "S:0C8H.5"
TCLK     EQU   "S:0C8H.4"
EXEN2    EQU   "S:0C8H.3"
TR2      EQU   "S:0C8H.2"
C_T2     EQU   "S:0C8H.1"
CP_RL2   EQU   "S:0C8H.0"

;******** T2MOD  *******
T2OE     EQU   "S:0C9H.1"
DCEN     EQU   "S:0C9H.0"

;******** TCON  *******
IT0      EQU   "S:088H.7"
IE0      EQU   "S:088H.6"
IT1      EQU   "S:088H.5"
IE1      EQU   "S:088H.4"
TR0      EQU   "S:088H.3"
TF0      EQU   "S:088H.2"
TR1      EQU   "S:088H.1"
TF1      EQU   "S:088H.0"

;******** TMOD  *******
M00      EQU   "S:089H.7"
M01      EQU   "S:089H.6"
C_T0     EQU   "S:089H.5"
GATE0    EQU   "S:089H.4"
M10      EQU   "S:089H.3"
M11      EQU   "S:089H.2"
C_T1     EQU   "S:089H.1"
GATE1    EQU   "S:089H.0"