pocsag_decoder.lst

A very good POCSAG Paging Protocol Decoder.

(0078) ;
(0079) ;  ARGUMENTS:
(0080) ;     none.
(0081) ;
(0082) ;  RETURNS:
(0083) ;     none.
(0084) ;
(0085) ;  SIDE EFFECTS:
(0086) ;     none.
(0087) ;
(0088) ;  THEORY of OPERATION:  
(0089) ;     Clears the specific user module interrupt enable mask bit.
(0090) ;
(0091) ;-----------------------------------------------------------------------------
(0092)  TX8_1_DisableInt:
(0093) _TX8_1_DisableInt:
(0094)    M8C_DisableIntMask TX8_1_INT_REG, bTX8_1_INT_MASK
(0095)    ret
    02D5: 7F       RET   
(0096) 
(0097) 
(0098) ;-----------------------------------------------------------------------------
(0099) ;  FUNCTION NAME: TX8_1_Start(BYTE bParity)
(0100) ;
(0101) ;  DESCRIPTION:
(0102) ;     Sets the start bit and parity in the Control register of this user module. 
(0103) ;     The transmitter will begin transmitting if a byte has been written into the
(0104) ;     transmit buffer.
(0105) ;
(0106) ;  ARGUMENTS:
(0107) ;     BYTE bParity - parity of transmitted data.  Use defined masks.
(0108) ;
(0109) ;  RETURNS:
(0110) ;     none.
(0111) ;
(0112) ;  SIDE EFFECTS:
(0113) ;     none.
(0114) ;
(0115) ;  THEORY of OPERATION:  
(0116) ;     Set the specified parity and start bits in the Control register.
(0117) ;
(0118) ;-----------------------------------------------------------------------------
(0119)  TX8_1_Start:
(0120) _TX8_1_Start:
(0121)    or    A, bfCONTROL_REG_START_BIT
_TX8_1_Start:
TX8_1_Start:
    02D6: 29 01    OR    A,1
(0122)    mov   REG[TX8_1_CONTROL_REG], A
    02D8: 60 33    MOV   REG[51],A
(0123)    ret	
    02DA: 7F       RET   
(0124) 
(0125) 
(0126) ;-----------------------------------------------------------------------------
(0127) ;  FUNCTION NAME: TX8_1_Stop
(0128) ;
(0129) ;  DESCRIPTION:
(0130) ;     Disables TX8 operation.
(0131) ;
(0132) ;  ARGUMENTS:
(0133) ;     none.
(0134) ;
(0135) ;  RETURNS:
(0136) ;     none.
(0137) ;
(0138) ;  SIDE EFFECTS:
(0139) ;     none.
(0140) ;
(0141) ;  THEORY of OPERATION:  
(0142) ;     Clear the start bit in the Control register.
(0143) ;
(0144) ;-----------------------------------------------------------------------------
(0145)  TX8_1_Stop:
(0146) _TX8_1_Stop:
(0147)    and   REG[TX8_1_CONTROL_REG], ~bfCONTROL_REG_START_BIT
TX8_1_Stop:
_TX8_1_Stop:
    02DB: 41 33 FE AND   REG[51],254
(0148)    ret	
    02DE: 7F       RET   
(0149) 
(0150) 
(0151) ;-----------------------------------------------------------------------------
(0152) ;  FUNCTION NAME: TX8_1_SendData
(0153) ;
(0154) ;  DESCRIPTION:
(0155) ;     Disables TX8 operation.
(0156) ;
(0157) ;  ARGUMENTS:
(0158) ;     BYTE  TxData - data to transmit.
(0159) ;
(0160) ;  RETURNS:
(0161) ;     none.
(0162) ;
(0163) ;  SIDE EFFECTS:
(0164) ;     none.
(0165) ;
(0166) ;  THEORY of OPERATION:  
(0167) ;     Writes data to the TX buffer register.
(0168) ;
(0169) ;-----------------------------------------------------------------------------
(0170)  TX8_1_SendData:
(0171) _TX8_1_SendData:
(0172) 	mov REG[TX8_1_TX_BUFFER_REG], A
TX8_1_SendData:
_TX8_1_SendData:
    02DF: 60 31    MOV   REG[49],A
(0173) 	ret
    02E1: 7F       RET   
(0174) 
(0175) 
(0176) ;-----------------------------------------------------------------------------
(0177) ;  FUNCTION NAME: bTX8_1_ReadTxStatus
(0178) ;
(0179) ;  DESCRIPTION:
(0180) ;     Reads the Tx Status bits in the Control/Status register.
(0181) ;
(0182) ;  ARGUMENTS:
(0183) ;     none.
(0184) ;
(0185) ;  RETURNS:
(0186) ;     BYTE  bTxStatus - transmit status data.  Use the following defined bits 
(0187) ;                       masks: TX_COMPLETE and TX_BUFFER_EMPTY
(0188) ;
(0189) ;  SIDE EFFECTS:
(0190) ;     none.
(0191) ;
(0192) ;  THEORY of OPERATION:  
(0193) ;     Read the status and control register.
(0194) ;
(0195) ;-----------------------------------------------------------------------------
(0196)  bTX8_1_ReadTxStatus:
(0197) _bTX8_1_ReadTxStatus:
(0198) 	mov A,  REG[TX8_1_CONTROL_REG]
_bTX8_1_ReadTxStatus:
bTX8_1_ReadTxStatus:
    02E2: 5D 33    MOV   A,REG[51]
(0199) 	ret
    02E4: 7F       RET   
FILE: C:\PROGRA~1\CYPRES~1\PSOCDE~1\PROJECTS\POCSAG~1\LIB\TIMER8_1.ASM
(0001) ;------------------------------------------------------------------------------
Timer8_1_EnableInt:
_Timer8_1_EnableInt:
    02E5: 43 E1 01 OR    REG[225],1
(0002) ;  FILENAME:   Timer8_1.asm
(0003) ;   VERSION:   Rev B, 2002 Mar 30
(0004) ;------------------------------------------------------------------------------
(0005) ;  DESCRIPTION:
(0006) ;     Timer8_1 Timer8 User Module API.
(0007) ;------------------------------------------------------------------------------
(0008) ;	Copyright (c) Cypress MicroSystems 2000-2002. All Rights Reserved.
(0009) ;------------------------------------------------------------------------------
(0010) 
(0011) ;-----------------------------------------------
(0012) ; include instance specific register definitions
(0013) ;-----------------------------------------------
(0014) include "m8c.inc"
(0015) include "Timer8_1.inc"
(0016) 
(0017) area text (ROM, REL)
(0018) 
(0019) ;-------------------------------------------------------------------
(0020) ;  Declare the functions global for both assembler and C compiler.
(0021) ;
(0022) ;  Note that there are two names for each API. First name is 
(0023) ;  assembler reference. Name with underscore is name refence for
(0024) ;  C compiler.  Calling function in C source code does not require 
(0025) ;  the underscore.
(0026) ;-------------------------------------------------------------------
(0027) export   Timer8_1_EnableInt
(0028) export  _Timer8_1_EnableInt
(0029) export   Timer8_1_DisableInt
(0030) export  _Timer8_1_DisableInt
(0031) export   Timer8_1_Start
(0032) export  _Timer8_1_Start
(0033) export   Timer8_1_Stop
(0034) export  _Timer8_1_Stop
(0035) export   Timer8_1_WritePeriod
(0036) export  _Timer8_1_WritePeriod
(0037) export   Timer8_1_WriteCompareValue
(0038) export  _Timer8_1_WriteCompareValue
(0039) export   bTimer8_1_ReadCompareValue
(0040) export  _bTimer8_1_ReadCompareValue
(0041) export   bTimer8_1_ReadTimer
(0042) export  _bTimer8_1_ReadTimer 
(0043) export   bTimer8_1_ReadTimerSaveCV
(0044) export  _bTimer8_1_ReadTimerSaveCV 
(0045) export   bTimer8_1_ReadCounter       ; obsolete
(0046) export  _bTimer8_1_ReadCounter       ; obsolete
(0047) export   bTimer8_1_CaptureCounter    ; obsolete
(0048) export  _bTimer8_1_CaptureCounter    ; obsolete
(0049) 
(0050) ;-----------
(0051) ;  EQUATES
(0052) ;-----------
(0053) bfCONTROL_REG_START_BIT:   equ   1     ; Control register start bit 
(0054) 
(0055) ;-----------------------------------------------------------------------------
(0056) ;  FUNCTION NAME: Timer8_1_EnableInt
(0057) ;
(0058) ;  DESCRIPTION:
(0059) ;     Enables this Timer's interrupt by setting the interrupt enable mask bit
(0060) ;     associated with this User Module. Remember to call the global interrupt
(0061) ;     enable function by using the macro: M8C_EnableGInt.
(0062) ;
(0063) ;  ARGUMENTS:
(0064) ;     none.
(0065) ;
(0066) ;  RETURNS:
(0067) ;     none.
(0068) ;
(0069) ;  SIDE EFFECTS:
(0070) ;     none.
(0071) ;
(0072) ;  THEORY of OPERATION:  
(0073) ;     Sets the specific user module interrupt enable mask bit.
(0074) ;
(0075) ;-----------------------------------------------------------------------------
(0076)  Timer8_1_EnableInt:
(0077) _Timer8_1_EnableInt:
(0078)    M8C_EnableIntMask Timer8_1_INT_REG, bTimer8_1_INT_MASK
(0079)    ret	
    02E8: 7F       RET   
_Timer8_1_DisableInt:
Timer8_1_DisableInt:
    02E9: 5D FF    MOV   A,REG[255]
    02EB: 70 FE    AND   F,254
    02ED: 41 E1 FE AND   REG[225],254
    02F0: 21 80    AND   A,128
    02F2: A0 03    JZ    0x02F6
    02F4: 71 01    OR    F,1
(0080) 
(0081) 	
(0082) ;-----------------------------------------------------------------------------
(0083) ;  FUNCTION NAME: Timer8_1_DisableInt
(0084) ;
(0085) ;  DESCRIPTION:
(0086) ;     Disables this timer's interrupt by clearing the interrupt enable mask bit
(0087) ;     associated with this User Module. 
(0088) ;
(0089) ;  ARGUMENTS:
(0090) ;     none.
(0091) ;
(0092) ;  RETURNS:
(0093) ;     none.
(0094) ;
(0095) ;  SIDE EFFECTS:
(0096) ;     none.
(0097) ;
(0098) ;  THEORY of OPERATION:  
(0099) ;     Clears the specific user module interrupt enable mask bit.
(0100) ;
(0101) ;-----------------------------------------------------------------------------
(0102)  Timer8_1_DisableInt:
(0103) _Timer8_1_DisableInt:
(0104)    M8C_DisableIntMask Timer8_1_INT_REG, bTimer8_1_INT_MASK
(0105)    ret
    02F6: 7F       RET   
(0106) 
(0107) 
(0108) ;-----------------------------------------------------------------------------
(0109) ;  FUNCTION NAME: Timer8_1_Start
(0110) ;
(0111) ;  DESCRIPTION:
(0112) ;     Sets the start bit in the Control register of this user module.  The
(0113) ;     timer will begin counting on the next input clock.
(0114) ;
(0115) ;  ARGUMENTS:
(0116) ;     none.
(0117) ;
(0118) ;  RETURNS:
(0119) ;     none.
(0120) ;
(0121) ;  SIDE EFFECTS:
(0122) ;     none.
(0123) ;
(0124) ;  THEORY of OPERATION:  
(0125) ;     Set the start bit in the Control register.
(0126) ;
(0127) ;-----------------------------------------------------------------------------
(0128)  Timer8_1_Start:
(0129) _Timer8_1_Start:
(0130)    or    REG[Timer8_1_CONTROL_REG], bfCONTROL_REG_START_BIT
_Timer8_1_Start:
Timer8_1_Start:
    02F7: 43 23 01 OR    REG[35],1
(0131)    ret	
    02FA: 7F       RET   
(0132) 
(0133) 
(0134) ;-----------------------------------------------------------------------------
(0135) ;  FUNCTION NAME: Timer8_1_Stop
(0136) ;
(0137) ;  DESCRIPTION:
(0138) ;     Disables Timer operation.
(0139) ;
(0140) ;  ARGUMENTS:
(0141) ;     none.
(0142) ;
(0143) ;  RETURNS:
(0144) ;     none.
(0145) ;
(0146) ;  SIDE EFFECTS:
(0147) ;     After this function completes, the Counter register will latch any data
(0148) ;     written to the Period register.  Writing to the Period register is 
(0149) ;     performed using the Timer8_1_WritePeriod function.
(0150) ;
(0151) ;  THEORY of OPERATION:  
(0152) ;     Clear the start bit in the Control register.
(0153) ;
(0154) ;-----------------------------------------------------------------------------
(0155)  Timer8_1_Stop:
(0156) _Timer8_1_Stop:
(0157)    and   REG[Timer8_1_CONTROL_REG], ~bfCONTROL_REG_START_BIT
_Timer8_1_Stop:
Timer8_1_Sto