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rc5.asm
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;
; ========================================================================
; R C 5 . A S M Claus Bjerre 2002-05-28
;
; Statemachine for decoding of Phillips RC5, Sony Sircs & Panasonic REC-80
; infrared remote signals.
; Originally a strict sampling RC5 decoder only, Sony and Panasonic have been
; added later leaving the implementation in a mess. Not suitable for futher
; development.
;
; Version history
; 001 Initial.
; ========================================================================
; ToDo : Sony code must be reversed
;
nolist
; -----------------------------------------------------------
; Variables
; -----------------------------------------------------------
IR_Variables macro
list
; External equates
; RC5_TICKS_PER_BIT
; RC5_TIMEOUT_PRESET
; RC5PORT, RC5PIN
; External defines
; IR_MIN_NOF_CODES
IRJumpVector equ next_ram + .0
RC5Counter equ next_ram + .1
RC5Low equ next_ram + .2 ; RC data recieved - lo
RC5High equ next_ram + .3 ; RC data recieved - hi
RC5Presc equ next_ram + .4
IRPrivateFlags equ next_ram + .5 ; Private flags. Read-only access !
FIRST_BIPHASE_HALF equ BIT0 ; A First sample level
RC5_TIMEOUTTEST equ BIT1 ; B Test for timeout (in idle state)
; Set high after sampling complete
; Clear on timeout or next RC5 start
; Used to detect whether a timeout or a abort should signal a "timeout"
; in order to let the listener clear its outputs. This would be that the
; last signal was "RC5_READY"
IR_DATA_SENT equ BIT2 ; F Set high when a sample is flagged
; Cleared on timeout or abort.
SONY_TEST equ BIT3
IR_READY_PENDING equ BIT4
;
RC5_TOGGLE_BIT equ BIT6
RC5_PREV_TOGGLE_BIT equ BIT7
IRPublicFlags equ next_ram + .6 ; Public flags. Not used for state controls.
IP_P_FORMAT_L equ BIT0
IP_P_FORMAT_H equ BIT1
IR_TIMEOUT equ BIT2 ; C Set on timeout
IR_BUSY equ BIT3 ; D Set when leaving idle.
; Cleared when IR code is sampled
IR_READY equ BIT4 ; E New data available
;
SECOND_LAST equ BIT6
IRPrivateFlags_2 equ next_ram + .7
IR_FORMAT_LO equ BIT0 ; IR_FORMAT must be rightadjusted (or code breaks)
IR_FORMAT_HIGH equ BIT1 ; - 00 RC5 01 Sony 10 Panasonic 11 Chrashed..
; equ BIT2
IR_NEW_CODE equ BIT3
IRTimeoutHigh equ next_ram + .8
IRTimeoutLow equ next_ram + .9
IR_PrevLow equ next_ram + .10
IR_PrevHigh equ next_ram + .11
IR_PanaCount equ next_ram + .12
IR_PanaAdjVal equ next_ram + .13
IR_HitCounter equ next_ram + .14
;
; Remember to change next line if adding new entries !!!!!!!
;
RC5_RAM_USAGE equ IR_HitCounter - IRJumpVector + 1
endm
SkipRC5Active macro
if IR_RECIEVER_ACTIVE_HIGH
btfss RC5PORT, RC5PIN
else
btfsc RC5PORT, RC5PIN
endif
endm
SkipRC5Quiet macro
if IR_RECIEVER_ACTIVE_HIGH
btfsc RC5PORT, RC5PIN
else
btfss RC5PORT, RC5PIN
endif
endm
; State flag events, letters refer to equates above. Not to scale
;
; RC5 cod1 RC5 cod1 RC5 cod1 RC5 cod2 RC5 cod2 No code=Timeout
; ____xxxxxxxx________xxxxxxxx_________xxxxxxxx________xxxxxxxx_______xxxxxxxx_____________
;
; B=0 B=1 B=0 B=1 B=0 B=1 B=0 B=1 B=0 Private
; D=1 D=0 D=1 D=0 D=1 D=0 D=1 Private
;
; C=1 C=1 Public
; E=1 E=1 Public
;
;
; |-| Silence. Active bits aborts the reception
; |--| DeadTime. Nothing happens at all here.
; |----------------| Timeout counter
;
;
; [Ref20]
;
;
; RC5 vs Sony
; 0 1 2 3 RC5 bits from start
; 0 agc 0.89 agc 2.67 4.44 6.22
; |----------------|----------------|----------------|----------------|-- RC5 extended
; ^ ^ ^ ' ^ ^ ' ^ ^ ' ^
; hhhhhhhhh hhhhhhhh
;
; 0 agc 0.89 agc 2.67 4.44 6.22
; |----------------|----------------|----------------|----------------|-- RC5
; ^ ^ ^ ' ^ ^ ' ^ ^ ' ^
; hhhhhhhhh hhhhhhhh
;
; #A#B
; #C
;
; 0 "1" 2.4"0"3.0
; |-----------------------|-----|-----------------|----------------- Sony
; ^ ! ! (^) ^ ^ ^ ^ ^ ^
;
; hhhhhhhhhhhhhhhhhhhhhhh hhhhhhhhhhhh hhhhh
;
;
; #D
;
; 0 "1" 3.5 3.95
; |----------------------------------|---|------------------|---------| Panasonic
; ^
; bias init a "1" = 1.8ms a low = 0.9 ms
; ----------------------------------__________________-----_____-----
; ^ ^ ^ ^ ^ ^
IR_Timing macro
list
list
; Statemachine starts with resolution of one RC5 tick = 1/8 bit = 0.221 msec.
; #A 1.77 msec. The first RC5_HALF pass here.
; Will find a SONY_TEST == T and advance the timing by 1/8 RC5 bitperiod and sets SECOND_LAST = T
;
; #B 1.99 msec. Will find SECOND_LAST = T.
; If valid RC5 then the missing 1/8 bitperiod from #A is added.
; If invalid RC5 then init Sony sampling. Install a delay of #C - #B = 0.7 msec
;
;
; #C 2.7 msec. First sample in Sony mode.
; If it fails (carrier) then goto Panasonic mode.
;
; #D 4.2 msec - Panasonic mode.
; Sampling Sony
SONY_SAMPLES_PER_BIT equ 2
SONY_TO_SONY_RTCC_COUNTS set (.300000 / RTCC_PERIOD_ns) - 1
; Re #B. Used to get from RC5 (#B) to Sony (#C)
SONY_ALIGN_SAMPLES_PER_BIT equ 2
SONY_ALIGN_RTCC_COUNTS set (.350000 / RTCC_PERIOD_ns) - 1
if SONY_ALIGN_RTCC_COUNTS >= 0x100 || SONY_TO_SONY_RTCC_COUNTS >= 0x100
error "Sony overflow #0202"
endif
; Sampling Panasonic (0x8B)
PANA_SAMPLES_PER_BIT equ 2
PANA_TO_PANA_RTCC_COUNTS set ((.435000/PANA_SAMPLES_PER_BIT) / RTCC_PERIOD_ns) - 1 + 2
; Re #D. Used to get from Sony (#C) to Panasonic (#D)
PANA_ALIGN_SAMPLES_PER_BIT equ 4
PANA_ALIGN_RTCC_COUNTS set ((.1400000/PANA_ALIGN_SAMPLES_PER_BIT) / RTCC_PERIOD_ns) - 1
if PANA_ALIGN_RTCC_COUNTS >= 0x100 || PANA_TO_PANA_RTCC_COUNTS >= 0x100
error "Panasonic overflow #0211"
endif
ZERO_TIME_ms equ .5
DEAD_TIME_ms equ .10
RC5_TIMEOUT_ms equ .113 - ZERO_TIME_ms - DEAD_TIME_ms
SONY_TIMEOUT_ms equ .65 - ZERO_TIME_ms - DEAD_TIME_ms
PANA_TIMEOUT_ms equ .120 - ZERO_TIME_ms - DEAD_TIME_ms
ZERO_PRESC equ 4
ZERO_PASSES equ (.1000 * .8 * ZERO_TIME_ms) / (RC5_BIT_TIME_us * ZERO_PRESC)
DEAD_PASSES equ (.1000 * .8 * DEAD_TIME_ms) / RC5_BIT_TIME_us
DEAD_PRESC equ DEAD_PASSES
RC5_TIMEOUT_PASSES equ (.1000 * .8 * RC5_TIMEOUT_ms) / RC5_BIT_TIME_us ; Presc = 1
SONY_TIMEOUT_PASSES equ (.1000 * .8 * SONY_TIMEOUT_ms) / RC5_BIT_TIME_us ; Presc = 1
PANA_TIMEOUT_PASSES equ (.1000 * .8 * PANA_TIMEOUT_ms) / RC5_BIT_TIME_us ; Presc = 1
IDLE_PRESC equ 1
ABORT_PRESC equ (.1000 * .8 * .15) / RC5_BIT_TIME_us
;nolist
if IR_DEBUG_SAMPLE_TIME
messg "INFO: Remote decoder sample clock enabled on RC5DEBUGPORT"
endif
ifdef REMOTE_DECODER_TRAPS_ON
messg "INFO: Remote trap code included"
endif
endm
; -----------------------------------------------------------
; Code
; -----------------------------------------------------------
IR_IsrCode macro
list
decfsz RC5Presc, F
goto RC5_Ends
IR_mark movlw IR_mark / 0x100
movwf PCLATH
;
movf IRJumpVector, W
addwf PCL, F
;
IR_Zero
IR_PRE_IDLE equ $ - IR_Zero
goto IRPreIdle
IR_IDLE equ $ - IR_Zero
goto IR_Idle
RC5_FIRST equ $ - IR_Zero
goto RC5_First
RC5_HALF equ $ - IR_Zero
goto RC5_Half
RC5_LAST equ $ - IR_Zero
goto RC5_Last
RC5_CHKSILENCE equ $ - IR_Zero
goto RC5_CheckSilence
RC5_DEADTIME equ $ - IR_Zero
goto RC5_DeadTime
SONY_INIT equ $ - IR_Zero
goto SonyInit
SONY_1 equ $ - IR_Zero
goto Sony_1
SONY_2 equ $ - IR_Zero
goto Sony_2
SONY_3 equ $ - IR_Zero
goto Sony_3
PANA_INIT equ $ - IR_Zero
goto Pana_Init
PANA_1 equ $ - IR_Zero
goto Pana1
PANA_ADJ equ $ - IR_Zero
goto Pana_Adj
; IRPreIdle
; --------------------------------------------------
; Enables interupt on PORTB change, and then installs "IR_Idle"
;
IRPreIdle
if IR_mark / 0x0100 != IRPreIdle / 0x0100
error "Page fault in RC5 #0294"
endif
; Install interrupt on port B change
; Successor to dead time
SkipRC5Quiet
goto IR_Ends
; port B is now registered with an inactive level on IR input
if ICE ; -------------------------------------
nop ; Breakpoint :
nop ;
endif ; -------------------------------------
; clear a bogus interupt flag and enable port b interrupt on change
bcf INTCON, RBIF
bsf INTCON, RBIE
;
movlw IR_IDLE
movwf IRJumpVector
bcf IRPublicFlags, SECOND_LAST
; IR_Idle
; --------------------------------------------------
;
IR_Idle
btfss INTCON, RBIF
goto no_b
; We are here because of interupt on port b change
bcf INTCON, RBIF
bcf INTCON, RBIE
movlw RTCC_SUB_LOAD - RTCC_RELOAD / 2
if RTCC_SUB_LOAD - RTCC_RELOAD / 2 > RTCC_SUB_LOAD
error "RC5.ASM #0390. Sign error"
endif
movwf TMR0
bcf INTCON, T0IF
no_b
SkipRC5Active
goto test_timeout
; Idle -> Start reception
; ------------------------------
;
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN ; Starting reception
endif
;
clrf RC5Low ; ends as high byte after shifting
bsf IRPublicFlags, IR_BUSY
bcf IRPrivateFlags, RC5_TIMEOUTTEST
bsf IRPrivateFlags, SONY_TEST
; 14 bits in RC5
movlw .14
movwf RC5Counter
; The first biphase level in first start bit is per definition low.
;
bcf IRPrivateFlags, FIRST_BIPHASE_HALF
movlw RC5_LAST
movwf IRJumpVector
movlw .3
goto IR_EndsSetTicks
; Idle -> Test for timeout
; ------------------------------
;
test_timeout
incf RC5Presc, F ; Setting RC5Presc = 1
; Break if not in timeout phase
btfss IRPrivateFlags, RC5_TIMEOUTTEST
goto RC5_Ends
; If IR_READY_PENDING is true, then fire a RC5_READY
; when client clears IR_TIMEOUT
btfss IRPrivateFlags, IR_READY_PENDING
goto no_pending
btfsc IRPublicFlags, IR_TIMEOUT
goto no_pending
ifdef REMOTE_DECODER_TRAPS_ON
btfsc IRPublicFlags, IR_READY
call IR_TrapErrors
endif
ifdef REMOTE_DECODER_TRAPS_ON
btfsc IRPrivateFlags, IR_DATA_SENT
call IR_TrapErrors
endif
bsf IRPrivateFlags, IR_DATA_SENT
bsf IRPublicFlags, IR_READY ; IR_READY = 1
bcf IRPrivateFlags, IR_READY_PENDING ; Clr:IR_READY_PENDING
no_pending
; Timeout counter
decfsz IRTimeoutLow, F
goto RC5_Ends
decfsz IRTimeoutHigh, F
goto RC5_Ends
; Timeout
; -----------------
bcf IRPrivateFlags, RC5_TIMEOUTTEST
if IR_DEBUG_SAMPLE_TIME
nop
bsf RC5DEBUGPORT, RC5DEBUGPIN ; Timeout
endif
; Send a timeout to client if data is "on"
btfsc IRPrivateFlags, IR_DATA_SENT
bsf IRPublicFlags, IR_TIMEOUT
bcf IRPrivateFlags, IR_DATA_SENT
; Invalidate RC5 history
;
movlw 0xFF
movwf IR_PrevHigh
goto RC5_Ends
; RC5_First
RC5_First ; --------------------------------------------------
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN
endif
;
bcf IRPrivateFlags, FIRST_BIPHASE_HALF
SkipRC5Quiet
bsf IRPrivateFlags, FIRST_BIPHASE_HALF
incf IRJumpVector, F
goto IR_EndsSetTicksQuart
; The time advanced S2 second biphase sampling jumps to Sony here
InstallSony
btfss IRPrivateFlags, SONY_TEST ; ?
goto SonyAbort
bcf IRPrivateFlags, SONY_TEST
;
movlw SONY_INIT
movwf IRJumpVector
movlw SONY_ALIGN_RTCC_COUNTS
movwf RtccReloadValue
movlw SONY_ALIGN_SAMPLES_PER_BIT
goto IR_EndsSetTicks
; RC5_Half
RC5_Half ; --------------------------------------------------
incf IRJumpVector, F
; If SONY_TEST==true then advamce timing for next sample
;
btfss IRPrivateFlags, SONY_TEST
goto IR_EndsSetTicksQuart
bsf IRPublicFlags, SECOND_LAST
movlw 1
goto IR_EndsSetTicks
; RC5_Last
RC5_Last ; --------------------------------------------------
; Verify that we have a biphase bit, and save value
;
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN
endif
SkipRC5Quiet
goto first_on
; Second biphase sample is off
; 10 ?
btfss IRPrivateFlags, FIRST_BIPHASE_HALF
goto RC5_Abort
; RC5 bit = 0
clrc
goto level_ok
; Second biphase sample is on
first_on
; 01 ?
btfsc IRPrivateFlags, FIRST_BIPHASE_HALF
goto InstallSony ; It was a '11' -> try Sony
; RC5 bit = 1
setc
; Ok, opposite phases
level_ok
rlf RC5Low, F
rlf RC5High, F
; More bits ?
decfsz RC5Counter, F
goto rc5_next_bit
; RC5 complete, all 14 bits home
; ------------------------------
;
;bsf IRPrivateFlags, RC5_FORMAT
movlw b'11111100'
andwf IRPrivateFlags_2, F
;bsf IRPublicFlags, IR_RC5_PROTOCOL
; Save previous toggle bit in flags from old one
;
bcf IRPrivateFlags, RC5_PREV_TOGGLE_BIT
btfsc IRPrivateFlags, RC5_TOGGLE_BIT
bsf IRPrivateFlags, RC5_PREV_TOGGLE_BIT
; Save new toggle bit in flags
;
bcf IRPrivateFlags, RC5_TOGGLE_BIT
btfsc RC5High, BIT4
bsf IRPrivateFlags, RC5_TOGGLE_BIT
; Pack to 12 bit (move second start bit)
;
bcf RC5High, BIT3
btfsc RC5High, BIT4
bsf RC5High, BIT3
movlw 0x0F
andwf RC5High, F
goto InstallSilence
rc5_next_bit
movlw RC5_FIRST
movwf IRJumpVector
;
btfsc IRPublicFlags, SECOND_LAST
bcf IRPrivateFlags, SONY_TEST
movlw SAMPLES_PER_BIT / 2
btfsc IRPublicFlags, SECOND_LAST
addlw 1 ; Fix timing, see #3. Next sample will be toggle bit
bcf IRPublicFlags, SECOND_LAST
goto IR_EndsSetTicks
InstallSilence
if ICE ; -------------------------------------
nop ; Breakpoint :
nop ;
endif ; -------------------------------------
movlw RC5_CHKSILENCE
movwf IRJumpVector
movlw ZERO_PASSES
movwf RC5Counter
movlw ZERO_PRESC
goto IR_EndsSetTicks
; RC5_CheckSilence
; --------------------------------------------------
RC5_CheckSilence
SkipRC5Quiet
goto SilenceAbort
level_is_low
decfsz RC5Counter, F
goto rc5_next_silence
if ICE ; -------------------------------------
nop ; Breakpoint :
nop ;
endif ; -------------------------------------
; Silence okay. New IR code is accepted
; -----------------------
;
movlw b'11111100'
andwf IRPublicFlags, F
movlw b'00000011'
andwf IRPrivateFlags_2, W
iorwf IRPublicFlags, F
; Figure out if this is a new code or a duplicate to the previous recieved code
; ToDo : Include a test for different standards as well....
;
bsf IRPrivateFlags_2, IR_NEW_CODE ; take a wild guess - its new...
movf RC5Low, W
subwf IR_PrevLow, W
skpz
goto code_is_new
movf RC5High, W
subwf IR_PrevHigh, W
skpnz
bcf IRPrivateFlags_2, IR_NEW_CODE ; no, it was not new...
code_is_new
; New or old code processing based on 'IR_NEW_CODE' flag
;
movlw IR_MIN_NOF_CODES
btfsc IRPrivateFlags_2, IR_NEW_CODE
movwf IR_HitCounter
; Wait for enough hits
; -----------------------
;
decfsz IR_HitCounter, F
goto not_enough
btfss IRPrivateFlags, IR_DATA_SENT
goto JustStarted
; This is a new code in a otherwise continous IR stream (there were no timeout)
;
bsf IRPublicFlags, IR_TIMEOUT ; IR_TIMEOUT = 1
bsf IRPrivateFlags, IR_READY_PENDING ; IR_READY_PENDING = 1
bcf IRPrivateFlags, IR_DATA_SENT ; IR_DATA_SENT = 0
;
goto SaveNewData
; This is a plain new code (previous state was timeout)
JustStarted
btfss IRPrivateFlags, IR_DATA_SENT
bsf IRPublicFlags, IR_READY ; IR_READY = 1
bsf IRPrivateFlags, IR_DATA_SENT ; IR_DATA_SENT = 1
bcf IRPublicFlags, IR_BUSY ; IR_BUSY = 0
not_enough
; IR_MIN_NOF_CODES is not received yet so no official new code is
; flagged yet.
SaveNewData
; Save new IR code in 'Prev' variables
; ---------------------------------------------------
; - New and repeat code branches join here.
movf RC5Low, W
movwf IR_PrevLow
movf RC5High, W
movwf IR_PrevHigh
; Set timers for deadtime and timeout detection
PresetTimers
bsf IRPrivateFlags, RC5_TIMEOUTTEST
; Preset dead time timer
;
movlw RC5_DEADTIME
movwf IRJumpVector
movlw DEAD_PRESC
goto IR_EndsSetTicks
; Prepare for next silence sample and exit
;
rc5_next_silence
movlw ZERO_PRESC
goto IR_EndsSetTicks
; RC5_DeadTime
; --------------------------------------------------
RC5_DeadTime
; Dead time complete - enter idle
movlw b'00000011'
andwf IRPrivateFlags_2, W
skpnz
goto define_rc5
sublw 2
skpz
goto define_sony
goto define_pana
;btfss IRPrivateFlags, RC5_FORMAT
;goto define_sony
define_rc5
movlw (RC5_TIMEOUT_PASSES/0x100) + 1
movwf IRTimeoutHigh
movlw RC5_TIMEOUT_PASSES & 0xFF
movwf IRTimeoutLow
goto install_idle
define_sony
movlw (SONY_TIMEOUT_PASSES/0x100) + 1
movwf IRTimeoutHigh
movlw SONY_TIMEOUT_PASSES & 0xFF
movwf IRTimeoutLow
goto install_idle
define_pana
movlw (PANA_TIMEOUT_PASSES/0x100) + 1
movwf IRTimeoutHigh
movlw PANA_TIMEOUT_PASSES & 0xFF
movwf IRTimeoutLow
install_idle
movlw IR_PRE_IDLE
movwf IRJumpVector
movlw IDLE_PRESC
goto IR_EndsSetTicks
; Exit points
; -----------------------
; A reception is terminated.
PanaAbort
if ICE ; -------------------------------------
movlw 1
nop
nop
goto IR_Abort
endif ; -------------------------------------
RC5_Abort
if ICE ; -------------------------------------
movlw 2
nop
nop
goto IR_Abort
endif ; -------------------------------------
SilenceAbort
if ICE ; -------------------------------------
movlw 3
nop
nop
goto IR_Abort
endif ; -------------------------------------
FromSonyAbort
if ICE ; -------------------------------------
movlw 4
nop
nop
goto IR_Abort
endif ; -------------------------------------
IR_Abort
bcf IRPublicFlags, IR_BUSY
;
movlw IR_PRE_IDLE
movwf IRJumpVector
; Send a timeout to client if data is "on"
;
btfsc IRPrivateFlags, IR_DATA_SENT
bsf IRPublicFlags, IR_TIMEOUT ; IR_TIMEOUT = 1
bcf IRPrivateFlags, IR_DATA_SENT ; IR_DATA_SENT = 0
; Invalidate history
;
movlw 0xFF
movwf IR_PrevHigh
;
; Skip RC5 part for half a RC5 period
;
movlw ABORT_PRESC
goto IR_EndsSetTicks
SonyAbort
;
movlw RTCC_SUB_LOAD
movwf RtccReloadValue
goto FromSonyAbort
;;; -----------------------------------------------
;;;
;;; S O N Y
;;;
;;; -----------------------------------------------
; Sony starts
SonyInit ; Sampling off level from 2.4 to 3.0 msec
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN
endif
SkipRC5Quiet
goto InitPanasonic ; SonyAbort
movlw SONY_TO_SONY_RTCC_COUNTS
movwf RtccReloadValue
movlw SONY_1
movwf IRJumpVector
; Sony will be 12 or 15.
movlw .15
movwf RC5Counter
clrf RC5Low ; ends as high byte after shifting
goto Sony_Ends
Sony_1
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN
endif
; This is the special test as an invalid level can be that this was
; an 12 bit transmission (and not 15)
SkipRC5Quiet
goto SonyStartOK
; Failed to have active start bit.
; Check if data should be accepted as an 12 bit code
;
;
movlw .3 ; .15 - .12
subwf RC5Counter, W
;
skpnz
goto SonyRxComplete
;
;
goto SonyAbort ; Not 12 bits -> abort
SonyStartOK
movlw SONY_2
movwf IRJumpVector
goto Sony_Ends
Sony_2
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN
endif
SkipRC5Quiet
goto SonyHigh
; "0"
movlw SONY_1
movwf IRJumpVector
clrc
rlf RC5Low, F
rlf RC5High, F
decfsz RC5Counter, F
goto Sony_Ends
;
goto SonyRxComplete
SonyHigh
; Sony format
;bcf IRPrivateFlags, RC5_FORMAT
bsf IRPrivateFlags_2, IR_FORMAT_LO
bcf IRPrivateFlags_2, IR_FORMAT_HIGH
;bcf IRPublicFlags, IR_RC5_PROTOCOL
movlw SONY_3
movwf IRJumpVector
goto Sony_Ends
Sony_3
if IR_DEBUG_SAMPLE_TIME
bsf RC5DEBUGPORT, RC5DEBUGPIN
endif