📄 lpradio.asm
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;
; 'C' Call: RADIO_FRAME_CONFIG RadioGetFrameConfig(void);
;
; Assembly Call: A: Unused
; X: Unused
;
; Assembly Return: A: config
; X: Undefined
;
_RadioGetFrameConfig::
RadioGetFrameConfig::
MOV A, FRAMING_CFG_ADR
JMP RadioRead
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetThreshold32:
; Set the threshold for the 32 chip data modes.
;
; 'C' Call: void RadioSetThreshold32(BYTE threshold);
;
; Assembly Call: A: threshold
; X: Unused
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetThreshold32::
RadioSetThreshold32::
MOV X, DATA32_THOLD_ADR
JMP RadioWriteSwapped
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioGetThreshold32:
; Return the threshold for the 32 chip data modes.
;
; 'C' Call: BYTE RadioGetThreshold32(void);
;
; Assembly Call: A: unused
; X: unused
;
; Assembly Return: A: threshold
; X: Undefined
;
_RadioGetThreshold32::
RadioGetThreshold32::
MOV A, DATA32_THOLD_ADR
JMP RadioRead
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetThreshold64:
; Set the threshold for the 64 chip data modes.
;
; 'C' Call: void RadioSetThreshold64(BYTE threshold);
;
; Assembly Call: A: threshold
; X: Unused
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetThreshold64::
RadioSetThreshold64::
MOV X, DATA64_THOLD_ADR
JMP RadioWriteSwapped
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioGetThreshold64:
; Return the threshold for the 64 chip data modes.
;
; 'C' Call: BYTE RadioGetThreshold64(void);
;
; Assembly Call: A: unused
; X: unused
;
; Assembly Return: A: threshold
; X: Undefined
;
_RadioGetThreshold64::
RadioGetThreshold64::
MOV A, DATA64_THOLD_ADR
JMP RadioRead
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetPreambleCount:
; Set the preamble repetition count.
;
; 'C' Call: void RadioSetPreambleCount(BYTE count);
;
; Assembly Call: A: preamble count
; X: Unused
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetPreambleCount::
RadioSetPreambleCount::
MOV X, PREAMBLE_ADR ; Write the preamble count...
CALL RadioWriteSwapped
MOV [RadioWipPtr], <RadioTemp1 ; The preamble file register is 3 bytes
MOV A, PREAMBLE_ADR ; and must always be accessed 3 times
MOV X, 2 ; so do a throw away burst read of 2
JMP RadioFileReadWip ; to move it a total of 3 bytes.
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioGetPreambleCount:
; Get the preamble repetition count.
;
; 'C' Call: BYTE RadioGetPreambleCount(void);
;
; Assembly Call: A: unused
; X: unused
;
; Assembly Return: A: preamble count
; X: Undefined
;
_RadioGetPreambleCount::
RadioGetPreambleCount::
MOV [RadioWipPtr], <RadioTemp1 ; The preamble file register is 3 bytes
MOV A, PREAMBLE_ADR ; and must always be accessed 3 times
MOV X, 3 ; so do a burst read of the whole 3
CALL RadioFileReadWip ; byte file register.
MOV A, [RadioTemp1] ; The first byte is the count.
RET
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetPreamblePattern:
; Set the preamble pattern.
;
; 'C' Call: void RadioSetPreamblePattern(WORD pattern);
;
; Assembly Call: A: pattern low order
; X: pattern high order
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetPreamblePattern::
RadioSetPreamblePattern::
MOV [RadioTemp1], A ; Save the pattern.
MOV [RadioTemp2], X
MOV A, PREAMBLE_ADR ; Gotta access the whole 3 byte file -
CALL RadioRead ; do throw away read of preamblecount.
MOV [RadioWipPtr], <RadioTemp1 ; Write the pattern as a 2 byte file
MOV A, PREAMBLE_ADR ; register burst.
MOV X, 2
JMP RadioFileWriteWip
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioGetPreamblePattern:
; Get the preamble pattern.
;
; 'C' Call: WORD RadioGetPreamblePattern(void);
;
; Assembly Call: A: unused
; X: unused
;
; Assembly Return: A: preamble count
; X: Undefined
;
_RadioGetPreamblePattern::
RadioGetPreamblePattern::
MOV [RadioWipPtr], <RadioTemp1 ; The preamble file register is 3 bytes
MOV A, PREAMBLE_ADR ; and must always be accessed 3 times
MOV X, 3 ; so do a burst read of the whole 3
CALL RadioFileReadWip ; byte file register.
MOV A, [RadioTemp2] ; The first byte is the count and the
MOV X, [RadioTemp3] ; pattern is the 2nd and 3rd bytes.
RET
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetCrcSeed: Sets the value used as the CRC seed value for both transmit and receive.
;
; 'C' Call: void RadioSetCrcSeed(WORD crcSeed);
;
; Assembly Call: A: crcSeed low order
; X: crcSeed high order
;
; Assembly Return: A: Undefined
; X: Undefined
;
RadioSetCrcSeed::
_RadioSetCrcSeed:: MOV [RadioTemp1], A ; Save the pattern into our little work
MOV [RadioTemp2], X ; buffer and...
MOV [RadioWipPtr], <RadioTemp1 ; ...write the pattern as a 2 byte file
MOV A, CRC_SEED_LSB_ADR ; register burst.
MOV X, 2
JMP RadioBurstWriteWip
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioGetCrcSeed: Returns the value used as the CRC seed value for both transmit and receive.
;
; 'C' Call: WORD RadioGetCrcSeed(void);
;
; Assembly Call: A: unused
; X: unused
;
; Assembly Return: A: crcSeed low order
; X: crcSeed high order
;
RadioGetCrcSeed::
_RadioGetCrcSeed:: MOV [RadioWipPtr], <RadioTemp1 ; The preamble file register is 3 bytes
MOV A, CRC_SEED_LSB_ADR ; and must always be accessed 3 times
MOV X, 2 ; so do a burst read of the whole 3
CALL RadioBurstReadWip ; byte file register.
MOV A, [RadioTemp1] ; The first byte is the count and the
MOV X, [RadioTemp2] ; pattern is the 2nd and 3rd bytes.
RET
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioGetFuses: Get the fuse values from the radio.
;
; The 8 bytes will be stored at the buffer pointed to by the most
; recent call to RadioSetPtr.
;
; 'C' Call: void RadioGetFuses(void);
;
; Assembly Call: A: unused
; X: unused
;
; Assembly Return: A: Undefined
; X: Undefined
;
RadioGetFuses::
_RadioGetFuses:: MOV A, MFG_ID_ADR ; Turn on fuse read bias.
MOV X, 0FFh
CALL RadioWrite
MOV A, MFG_ID_ADR ; Read the fuses.
MOV X, 6
CALL RadioFileRead
MOV X, [RadioPtr]
MOV A, 5
.Loop: XOR [X+0], 0xFF
INC X
DEC A
JNC .Loop
MOV A, MFG_ID_ADR ; Turn off fuse read bias.
MOV X, 0
JMP RadioWrite
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetConstSopPnCode:
; Set the Start Of Packet PN Code.
;
; 'C' Call: void RadioSetConstSopPnCode(const BYTE *patternAddr);
;
; Assembly Call: A: Code address high
; X: Code address low
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetConstSopPnCode::
RadioSetConstSopPnCode::
MOV [RadioFileAddr], SOP_CODE_ADR
RadioSetConstCode2:MOV [RadioConstAddrHi], A
MOV [RadioConstAddrLo], X
RadioSetConstCode: MOV [RadioCount], 8
.loop: MOV A, [RadioConstAddrHi]
MOV X, [RadioConstAddrLo]
ROMX
INC [RadioConstAddrLo]
JNZ .noIncHi
INC [RadioConstAddrHi]
.noIncHi: MOV X, [RadioFileAddr]
CALL RadioWriteSwapped
DEC [RadioCount]
JNZ .loop
RET
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetConstDataPnCode:
; Set the Start Of Packet PN Code.
;
; 'C' Call: void RadioSetConstDataPnCode(const BYTE *patternAddr);
;
; Assembly Call: A: Code address high
; X: Code address low
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetConstDataPnCode::
RadioSetConstDataPnCode::
MOV [RadioFileAddr], DATA_CODE_ADR
CALL RadioSetConstCode2
JMP RadioSetConstCode
.endsection
.section
;--------------------------------------------------------------------------------
;
; RadioSetSopPnCode: Set the Start Of Packet PN Code.
;
; 'C' Call: void RadioSetSopPnCode(BYTE patternNum);
;
; Assembly Call: A: Code number
; X: unused
;
; Assembly Return: A: Undefined
; X: Undefined
;
_RadioSetSopPnCode::
RadioSetSopPnCode::
ASL A ; PN Codes are 8 bytes.
ASL A
ASL A
MOV X, >RadioPnCodeTable
ADD A, <RadioPnCodeTable
JNC .noIncHi
INC X
.noIncHi: SWAP A, X
JMP _RadioSetConstSopPnCode
;--------------------------------------------------------------------------;
; ;
; P N C o d e T a b l e s ;
; ;
;--------------------------------------------------------------------------;
;--------------------------------------------------------------------------------
;
; These are the 20 Multiplicative codes documented in RWW-87. The first 10 are
; the set recommended as the best at the conclusion of that memo.
;
; Bit ordering for these codes:
; The LSB of the first byte is the first bit transceived.
; The MSB of the first byte is the eighth bit transceived.
; The MSB of the eighth byte is the last bit transceived.
;
RadioPnCodeTable: DB 3Ch, 37h, CCh, 91h, E2h, F8h, CCh, 91h ; PN Code 0
DB 9Bh, C5h, A1h, 0Fh, ADh, 39h, A2h, 0Fh ; PN Code 1
DB EFh, 64h, B0h, 2Ah, D2h, 8Fh, B1h, 2Ah ; PN Code 2
DB 66h, CDh, 7Ch, 50h, DDh, 26h, 7Ch, 50h ; PN Code 3
DB 5Ch, E1h, F6h, 44h, ADh, 16h, F6h, 44h ; PN Code 4
DB 5Ah, CCh, AEh, 46h, B6h, 31h, AEh, 46h ; PN Code 5
DB A1h, 78h, DCh, 3Ch, 9Eh, 82h, DCh, 3Ch ; PN Code 6
DB B9h, 8Eh, 19h, 74h, 6Fh, 65h, 18h, 74h ; PN Code 7
DB DFh, B1h, C0h, 49h, 62h, DFh, C1h, 49h ; PN Code 8
DB 97h, E5h, 14h, 72h, 7Fh, 1Ah, 14h, 72h ; PN Code 9
;
; Most systems do not need 20 codes and they take up much space, so we've
; commented out most of the codes. Uncomment them if you need more.
;
; DB 82h, C7h, 90h, 36h, 21h, O3h, FFh, 17h ; PN Code 10
; DB E2h, F8h, CCh, 91h, 3Ch, 37h, CCh, 91h ; PN Code 11
; DB ADh, 39h, A2h, 0Fh, 9Bh, C5h, A1h, 0Fh ; PN Code 12
; DB D2h, 8Fh, B1h, 2Ah, EFh, 64h, B0h, 2Ah ; PN Code 13
; DB DDh, 26h, 7Ch, 50h, 66h, CDh, 7Ch, 50h ; PN Code 14
; DB ADh, 16h, F6h, 44h, 5Ch, E1h, F6h, 44h ; PN Code 15
; DB B6h, 31h, AEh, 46h, 5Ah, CCh, AEh, 46h ; PN Code 16
; DB 9Eh, 82h, DCh, 3Ch, A1h, 78h, DCh, 3Ch ; PN Code 17
; DB 6Fh, 65h, 18h, 74h, B9h, 8Eh, 19h, 74h ; PN Code 18
; DB 62h, DFh, C1h, 49h, DFh, B1h, C0h, 49h ; PN Code 19
.endsection
;
; Code compression enabled again.
;
ENABLE_CODE_COMPRESSION
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