366 lines
8.4 KiB
NASM
366 lines
8.4 KiB
NASM
;--------------------------------------------------------
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; File Created by SDCC : free open source ANSI-C Compiler
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; Version 4.2.0 #13081 (Linux)
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;--------------------------------------------------------
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.module spi
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.optsdcc -mmcs51 --model-small
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;--------------------------------------------------------
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; Public variables in this module
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;--------------------------------------------------------
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.globl _EADC
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.globl _ET1
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.globl _ET0
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.globl _ES
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.globl _EA
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.globl _REN
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.globl _RI
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.globl _TI
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.globl _TR1
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.globl _TF1
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.globl _IT0
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.globl _IE0
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.globl _TR0
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.globl _TF0
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.globl _CMPCR2
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.globl _CMPCR1
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.globl _TA
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.globl _IRCBAND_REG
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.globl _IAP_TPS
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.globl _IAP_CONTR
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.globl _IAP_TRIG
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.globl _IAP_CMD
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.globl _IAP_ADDRL
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.globl _IAP_ADDRH
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.globl _IAP_DATA
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.globl _WDT_CONTR
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.globl _PCA_PWM3
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.globl _PCA_PWM2
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.globl _PCA_PWM1
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.globl _PCA_PWM0
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.globl _CCAP3L
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.globl _CCAP2L
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.globl _CCAP1L
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.globl _CCAP0L
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.globl _CCAPM3
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.globl _CCAPM2
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.globl _CCAPM1
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.globl _CCAPM0
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.globl _CMOD
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.globl _CCON
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.globl _ADCTIM_X
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.globl _ADCCFG
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.globl _ADC_RESL
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.globl _ADC_RES
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.globl _ADC_CONTR
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.globl _SPDAT
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.globl _SPCTL
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.globl _SPSTAT
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.globl _IP2H
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.globl _IP2
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.globl _IP
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.globl _IE2
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.globl _IE
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.globl _BRT
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.globl _P_SW1
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.globl _SADEN
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.globl _SADDR
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.globl _S2BUF
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.globl _S2CON
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.globl _SBUF
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.globl _SCON
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.globl _TM4PS_X
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.globl _TM3PS_X
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.globl _TM2PS_X
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.globl _T4T3M
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.globl _T4L
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.globl _T4H
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.globl _T3L
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.globl _T3H
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.globl _T2L
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.globl _T2H
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.globl _INTCLKO
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.globl _AUXR
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.globl _TH1
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.globl _TH0
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.globl _TL1
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.globl _TL0
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.globl _TMOD
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.globl _TCON
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.globl _P_SW2
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.globl _P5M0
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.globl _P5M1
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.globl _P4M0
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.globl _P4M1
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.globl _P3M0
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.globl _P3M1
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.globl _P2M0
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.globl _P2M1
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.globl _P1M0
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.globl _P1M1
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.globl _P0M0
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.globl _P0M1
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.globl _PSW
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.globl _B
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.globl _ACC
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.globl _PCON
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.globl _DPH
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.globl _DPL
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.globl _SP
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.globl _P5
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.globl _P4
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.globl _P3
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.globl _P2
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.globl _P1
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.globl _P0
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.globl _spi_init
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.globl _spi_transfer
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;--------------------------------------------------------
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; special function registers
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;--------------------------------------------------------
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.area RSEG (ABS,DATA)
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.org 0x0000
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_P0 = 0x0080
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_P1 = 0x0090
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_P2 = 0x00a0
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_P3 = 0x00b0
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_P4 = 0x00c0
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_P5 = 0x00c8
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_SP = 0x0081
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_DPL = 0x0082
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_DPH = 0x0083
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_PCON = 0x0087
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_ACC = 0x00e0
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_B = 0x00f0
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_PSW = 0x00d0
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_P0M1 = 0x0093
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_P0M0 = 0x0094
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_P1M1 = 0x0091
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_P1M0 = 0x0092
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_P2M1 = 0x0095
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_P2M0 = 0x0096
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_P3M1 = 0x00b1
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_P3M0 = 0x00b2
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_P4M1 = 0x00b3
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_P4M0 = 0x00b4
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_P5M1 = 0x00c9
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_P5M0 = 0x00ca
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_P_SW2 = 0x00ba
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_TCON = 0x0088
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_TMOD = 0x0089
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_TL0 = 0x008a
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_TL1 = 0x008b
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_TH0 = 0x008c
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_TH1 = 0x008d
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_AUXR = 0x008e
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_INTCLKO = 0x008f
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_T2H = 0x00d6
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_T2L = 0x00d7
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_T3H = 0x00d4
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_T3L = 0x00d5
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_T4H = 0x00d2
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_T4L = 0x00d3
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_T4T3M = 0x00d1
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_TM2PS_X = 0xfea1
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_TM3PS_X = 0xfea2
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_TM4PS_X = 0xfea3
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_SCON = 0x0098
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_SBUF = 0x0099
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_S2CON = 0x009a
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_S2BUF = 0x009b
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_SADDR = 0x00a9
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_SADEN = 0x00b9
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_P_SW1 = 0x00a2
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_BRT = 0x009c
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_IE = 0x00a8
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_IE2 = 0x00af
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_IP = 0x00b8
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_IP2 = 0x00b6
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_IP2H = 0x00b7
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_SPSTAT = 0x00cd
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_SPCTL = 0x00ce
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_SPDAT = 0x00cf
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_ADC_CONTR = 0x00bc
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_ADC_RES = 0x00bd
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_ADC_RESL = 0x00be
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_ADCCFG = 0x00de
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_ADCTIM_X = 0xfea8
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_CCON = 0x00d8
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_CMOD = 0x00d9
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_CCAPM0 = 0x00da
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_CCAPM1 = 0x00db
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_CCAPM2 = 0x00dc
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_CCAPM3 = 0x00dd
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_CCAP0L = 0x00ea
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_CCAP1L = 0x00eb
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_CCAP2L = 0x00ec
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_CCAP3L = 0x00ed
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_PCA_PWM0 = 0x00f2
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_PCA_PWM1 = 0x00f3
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_PCA_PWM2 = 0x00f4
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_PCA_PWM3 = 0x00f5
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_WDT_CONTR = 0x00c1
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_IAP_DATA = 0x00c2
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_IAP_ADDRH = 0x00c3
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_IAP_ADDRL = 0x00c4
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_IAP_CMD = 0x00c5
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_IAP_TRIG = 0x00c6
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_IAP_CONTR = 0x00c7
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_IAP_TPS = 0x00f7
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_IRCBAND_REG = 0x009d
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_TA = 0x00ae
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_CMPCR1 = 0x00e6
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_CMPCR2 = 0x00e7
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;--------------------------------------------------------
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; special function bits
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;--------------------------------------------------------
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.area RSEG (ABS,DATA)
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.org 0x0000
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_TF0 = 0x008d
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_TR0 = 0x008c
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_IE0 = 0x0089
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_IT0 = 0x0088
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_TF1 = 0x008f
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_TR1 = 0x008e
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_TI = 0x0099
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_RI = 0x0098
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_REN = 0x009c
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_EA = 0x00af
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_ES = 0x00ac
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_ET0 = 0x00a9
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_ET1 = 0x00ab
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_EADC = 0x00ad
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;--------------------------------------------------------
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; overlayable register banks
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;--------------------------------------------------------
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.area REG_BANK_0 (REL,OVR,DATA)
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.ds 8
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;--------------------------------------------------------
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; internal ram data
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;--------------------------------------------------------
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.area DSEG (DATA)
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;--------------------------------------------------------
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; overlayable items in internal ram
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;--------------------------------------------------------
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.area OSEG (OVR,DATA)
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;--------------------------------------------------------
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; indirectly addressable internal ram data
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;--------------------------------------------------------
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.area ISEG (DATA)
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;--------------------------------------------------------
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; absolute internal ram data
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;--------------------------------------------------------
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.area IABS (ABS,DATA)
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.area IABS (ABS,DATA)
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;--------------------------------------------------------
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; bit data
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;--------------------------------------------------------
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.area BSEG (BIT)
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;--------------------------------------------------------
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; paged external ram data
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;--------------------------------------------------------
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.area PSEG (PAG,XDATA)
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;--------------------------------------------------------
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; external ram data
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;--------------------------------------------------------
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.area XSEG (XDATA)
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;--------------------------------------------------------
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; absolute external ram data
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;--------------------------------------------------------
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.area XABS (ABS,XDATA)
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;--------------------------------------------------------
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; external initialized ram data
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;--------------------------------------------------------
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.area XISEG (XDATA)
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.area HOME (CODE)
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.area GSINIT0 (CODE)
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.area GSINIT1 (CODE)
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.area GSINIT2 (CODE)
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.area GSINIT3 (CODE)
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.area GSINIT4 (CODE)
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.area GSINIT5 (CODE)
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.area GSINIT (CODE)
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.area GSFINAL (CODE)
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.area CSEG (CODE)
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;--------------------------------------------------------
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; global & static initialisations
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;--------------------------------------------------------
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.area HOME (CODE)
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.area GSINIT (CODE)
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.area GSFINAL (CODE)
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.area GSINIT (CODE)
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;--------------------------------------------------------
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; Home
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;--------------------------------------------------------
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.area HOME (CODE)
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.area HOME (CODE)
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;--------------------------------------------------------
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; code
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;--------------------------------------------------------
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.area CSEG (CODE)
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;------------------------------------------------------------
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;Allocation info for local variables in function 'spi_init'
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;------------------------------------------------------------
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; src/spi.c:10: void spi_init(void)
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; -----------------------------------------
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; function spi_init
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; -----------------------------------------
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_spi_init:
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ar7 = 0x07
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ar6 = 0x06
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ar5 = 0x05
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ar4 = 0x04
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ar3 = 0x03
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ar2 = 0x02
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ar1 = 0x01
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ar0 = 0x00
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; src/spi.c:16: P1M0 |= (1 << NRF_SCK_BIT) | (1 << NRF_MOSI_BIT); /* 推挽 */
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orl _P1M0,#0x28
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; src/spi.c:17: P1M1 &= ~((1 << NRF_SCK_BIT) | (1 << NRF_MOSI_BIT));
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anl _P1M1,#0xd7
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; src/spi.c:18: P1M0 &= ~(1 << NRF_MISO_BIT); /* 高阻输入 */
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anl _P1M0,#0xef
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; src/spi.c:19: P1M1 |= (1 << NRF_MISO_BIT);
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orl _P1M1,#0x10
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; src/spi.c:22: P_SW1 &= ~0x0C; /* S1_S1=0,S1_S0=0 → 默认 P1.5/P1.3/P1.4 */
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anl _P_SW1,#0xf3
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; src/spi.c:31: SPCTL = 0x50 | 0x40; /* MSTR=0x10 + SPEN=0x40 = 0x50 ... 实际 SPEN=0x40 */
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mov _SPCTL,#0x50
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; src/spi.c:32: SPCTL = SPEN | MSTR | (0 << 2); /* SPR1=0,SPR0=0,SPR=0 → /4 */
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mov _SPCTL,#0x50
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; src/spi.c:34: SPSTAT = 0x00; /* 清标志 */
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mov _SPSTAT,#0x00
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; src/spi.c:35: }
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ret
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;------------------------------------------------------------
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;Allocation info for local variables in function 'spi_transfer'
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;------------------------------------------------------------
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;data Allocated to registers
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;------------------------------------------------------------
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; src/spi.c:37: uint8_t spi_transfer(uint8_t data)
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; -----------------------------------------
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; function spi_transfer
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; -----------------------------------------
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_spi_transfer:
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mov _SPDAT,dpl
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; src/spi.c:41: while (!(SPSTAT & SPIF));
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00101$:
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mov a,_SPSTAT
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jnb acc.7,00101$
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; src/spi.c:42: SPSTAT = SPIF | WCOL; /* 清标志 (写 1 清 0) */
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mov _SPSTAT,#0xc0
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; src/spi.c:43: return SPDAT;
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mov dpl,_SPDAT
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; src/spi.c:44: }
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ret
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.area CSEG (CODE)
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.area CONST (CODE)
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_DEFAULT_ADDR:
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.db #0xe7 ; 231
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.db #0xe7 ; 231
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.db #0xe7 ; 231
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.db #0xe7 ; 231
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.db #0xc2 ; 194
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.area XINIT (CODE)
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.area CABS (ABS,CODE)
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