ucsim-0.2.37-pre3 into cvs

[fw/sdcc] / sim / ucsim / s51.src / regs51.h

/*
 * Simulator of microcontrollers (regs51.h)
 *
 * Copyright (C) 1999,99 Drotos Daniel, Talker Bt.
 * 
 * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
 *
 */

/* This file is part of microcontroller simulator: ucsim.

UCSIM is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

UCSIM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with UCSIM; see the file COPYING.  If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/*@1@*/

#ifndef REGS51_HEADER
#define REGS51_HEADER


/* Address of SFR registers */

#define ACC     0xe0 /* Accumulator */
#define B       0xf0 /* B register (scondary accumulator) */
#define PSW     0xd0 /* Program Status Word */
#define SP      0x81 /* Stack Pointer */
#define DPL     0x82 /* Data Pointer Low byte */
#define DPH     0x83 /* Data Pointer High byte */
#define P0      0x80 /* Port #0 */
#define P1      0x90 /* Port #1 */
#define P2      0xa0 /* Port #2 */
#define P3      0xb0 /* Port #3 */
#define IP      0xb8 /* Intrrupt Priority */
#define IE      0xa8 /* Interrupt Enable */
#define TMOD    0x89 /* Timer MODe */
#define TCON    0x88 /* Timer CONtrol */
#define T2CON   0xc8 /* Timer #2 CONtrol */
#define TH0     0x8c /* Timer #0 High byte */
#define TL0     0x8a /* Timer #0 Low byte */
#define TH1     0x8d /* Timer #1 High byte */
#define TL1     0x8b /* Timer #1 Low byte */
#define SCON    0x98 /* Serial line CONtrol */
#define TH2     0xcd /* Timer #2 High byte */
#define TL2     0xcc /* Timer #2 Low byte */
#define RCAP2H  0xcb /* Capture Register of Timer #2 High byte */
#define RCAP2L  0xca /* Capture Register of Timer #2 Low byte */
#define SBUF    0x99 /* Serial line BUFfer */
#define PCON    0x87 /* Power CONtrol */

#define AUXR    0x8e /* Auxiliary Register */
#define AUXR1   0xa2 /* Secondary Aux Register */

#define DPXL    0x84 /* */
#define WDTRST  0xa6 /* */
#define IE0     0xa8 /* */
#define SADDR   0xa9 /* */
#define IPH0    0xb7 /* */
#define IPH     0xb7
#define IPL0    0xb8 /* */
#define SADEN   0xb9 /* */
#define SPH     0xbd /* */
#define T2MOD   0xc9 /* */
#define PSW1    0xd1 /* */
#define CCON    0xd8 /* */
#define CMOD    0xd9 /* */
#define CCAPM0  0xda /* */
#define CCAPM1  0xdb /* */
#define CCAPM2  0xdc /* */
#define CCAPM3  0xdd /* */
#define CCAPM4  0xde /* */
#define CL      0xe9 /* */
#define CCAP0L  0xea /* */
#define CCAP1L  0xeb /* */
#define CCAP2L  0xec /* */
#define CCAP3L  0xed /* */
#define CCAP4L  0xee /* */
#define CH      0xf9 /* */
#define CCAP0H  0xfa /* */
#define CCAP1H  0xfb /* */
#define CCAP2H  0xfc /* */
#define CCAP3H  0xfd /* */
#define CCAP4H  0xfe /* */

/* Bit masks of flag bits in PSW (0xd0)*/

#define bmCY    0x80 /* carry */
#define bmAC    0x40 /* acarry */
#define bmF0    0x20 /* flag 0 */
#define bmRS1   0x10 /* register select 1 */
#define bmRS0   0x08 /* register select 0 */
#define bmOV    0x04 /* arithmetic overflow */
#define bmP     0x01 /* parity, set by hardware */

/* Bit masks in PCON (0x87) */

#define bmSMOD1 0x80
#define bmSMOD  0x80
#define bmSMOD0 0x40
#define bmPOF   0x10
#define bmGF1   0x08
#define bmGF0   0x04
#define bmPD    0x02
#define bmIDL   0x01

/* Bit masks in IE (0xa8) */

#define bmEA    0x80
#define bmEC    0x40
#define bmET2   0x20
#define bmES    0x10
#define bmET1   0x08
#define bmEX1   0x04
#define bmET0   0x02
#define bmEX0   0x01

/* Bit masks in IP (0xb8) */

#define bmPPC   0x40
#define bmPT2   0x20
#define bmPS    0x10
#define bmPT1   0x08
#define bmPX1   0x04
#define bmPT0   0x02
#define bmPX0   0x01

/* Bit masks in IPL0 (0xb8) */

#define bmIPL0_6 0x40
#define bmIPL0_5 0x20
#define bmIPL0_4 0x10
#define bmIPL0_3 0x08
#define bmIPL0_2 0x04
#define bmIPL0_1 0x02
#define bmIPL0_0 0x01

/* Bit masks in IPH0 (0xb7) */

#define bmIPH0_6 0x40
#define bmIPH0_5 0x20
#define bmIPH0_4 0x10
#define bmIPH0_3 0x08
#define bmIPH0_2 0x04
#define bmIPH0_1 0x02
#define bmIPH0_0 0x01

/* Bit masks in P1 (0x90) */

#define bmCEX4  0x80
#define bmCEX3  0x40
#define bmCEX2  0x20
#define bmCEX1  0x10
#define bmCEX0  0x08
#define bmECI   0x04
#define bmT2EX  0x02
#define bmT2    0x01

/* Bit masks in P3 (0xb0) */

#define bmRXD   0x01
#define bmTXD   0x02
#define bm_INT0 0x04
#define bm_INT1 0x08
#define bmT0    0x10
#define bmT1    0x20
#define bm_WR   0x40
#define bm_RD   0x80

/* Bit masks in TMOD (0x89) */

#define bmGATE1 0x80
#define bmC_T1  0x40
#define bmM11   0x20
#define bmM01   0x10
#define bmGATE0 0x08
#define bmC_T0  0x04
#define bmM10   0x02
#define bmM00   0x01

/* Bit masks in TCON (0x88) */

#define bmTF1   0x80
#define bmTR1   0x40
#define bmTF0   0x20
#define bmTR0   0x10
#define bmIE1   0x08
#define bmIT1   0x04
#define bmIE0   0x02
#define bmIT0   0x01

/* Bit masks in AUXR (0x8e) */

#define bmEXTRAM  0x02
#define bmDISABLE 0x01

/* Bit masks in AUXR1 (0xa2) */

#define bmENBOOT  0x20
#define bmGF2     0x08
#define bmDPS     0x01

/* Bit masks in T2CON (0xc8) */

#define bmTF2    0x80
#define bmEXF2   0x40
#define bmRCLK   0x20
#define bmTCLK   0x10
#define bmEXEN2  0x08
#define bmTR2    0x04
#define bmC_T2   0x02
#define bmCP_RL2 0x01

/* Bit masks in SCON (0x98) */

#define bmFE_SM0 0x80
#define bmFE    0x80
#define bmSM0   0x80
#define bmSM1   0x40
#define bmSM2   0x20
#define bmREN   0x10
#define bmTB8   0x08
#define bmRB8   0x04
#define bmTI    0x02
#define bmRI    0x01

/* Bit masks in T2MOD (0xc9) */

#define bmT2OE  0x02
#define bmDCEN  0x01

/* Bit masks in CMOD (0xd9) */

#define bmCIDL  0x80
#define bmWDTE  0x40
#define bmCPS1  0x04
#define bmCPS0  0x02
#define bmECF   0x01

/* Bit masks in CCON (0xd8) */

#define bmCF    0x80
#define bmCR    0x40
#define bmCCF4  0x10
#define bmCCF3  0x08
#define bmCCF2  0x04
#define bmCCF1  0x02
#define bmCCF0  0x01

/* Bit masks in CCAPM0 (0xda) */

#define bmECOM0 0x40
#define bmCAPP0 0x20
#define bmCAPN0 0x10
#define bmMAT0  0x08
#define bmTOG0  0x04
#define bmPWM0  0x02
#define bmECCF0 0x01

/* Bit masks in CCAPM1 (0xdb) */

#define bmECOM1 0x40
#define bmCAPP1 0x20
#define bmCAPN1 0x10
#define bmMAT1  0x08
#define bmTOG1  0x04
#define bmPWM1  0x02
#define bmECCF1 0x01

/* Bit masks in CCAPM2 (0xdc) */

#define bmECOM2 0x40
#define bmCAPP2 0x20
#define bmCAPN2 0x10
#define bmMAT2  0x08
#define bmTOG2  0x04
#define bmPWM2  0x02
#define bmECCF2 0x01

/* Bit masks in CCAPM3 (0xdd) */

#define bmECOM3 0x40
#define bmCAPP3 0x20
#define bmCAPN3 0x10
#define bmMAT3  0x08
#define bmTOG3  0x04
#define bmPWM3  0x02
#define bmECCF3 0x01

/* Bit masks in CCAPM4 (0xde) */

#define bmECOM4 0x40
#define bmCAPP4 0x20
#define bmCAPN4 0x10
#define bmMAT4  0x08
#define bmTOG4  0x04
#define bmPWM4  0x02
#define bmECCF4 0x01

#define bmECOM  0x40
#define bmCAPP  0x20
#define bmCAPN  0x10
#define bmMAT   0x08
#define bmTOG   0x04
#define bmPWM   0x02
#define bmEDDF  0x01


#endif

/* End of s51.src/regs51.h */