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MPASM 5.50 M16C5X_TST3.ASM 7-13-2013 13:25:47 PAGE 1LOC OBJECT CODE LINE SOURCE TEXTVALUE00001 ;*******************************************************************************00002 ; M16C5x_Tst3.ASM00003 ;00004 ; This is the source for the test program used to develop the PIC16C5x proce-00005 ; core. It has also been used to test the P16C5x version of the PIC16C5x core.00006 ;00007 ; The first instruction of the program is expected to be placed in location 0.00008 ;00009 ; The program tests most instructions, but not is a self-checking manner. In-00010 ; spection of the registers is the method used to verify that the cores are00011 ; operating correctly.00012 ;00013 ;*******************************************************************************0001400015 LIST P=16F59, R=DEC0001600017 ;-------------------------------------------------------------------------------00018 ; Set ScratchPadRam here. If you are using a PIC16C5X device, use:00019 ;ScratchPadRam EQU 0x1000020 ; Otherwise, use:00021 ;ScratchPadRam EQU 0x2000022 ;-------------------------------------------------------------------------------0002300000010 00024 ScratchPadRAM EQU 0x100002500026 ;-------------------------------------------------------------------------------00027 ; Variables00028 ;-------------------------------------------------------------------------------0002900000000 00030 INDF EQU 0 ; Indirect Register File Access Location00000001 00031 Tmr0 EQU 1 ; Timer 000000002 00032 PCL EQU 2 ; Low Byte Program Counter00000003 00033 Status EQU 3 ; Processor Status Register00000004 00034 FSR EQU 4 ; File Select Register00000005 00035 PortA EQU 5 ; I/O Port A Address00000006 00036 PortB EQU 6 ; I/O Port B Address00000007 00037 PortC EQU 7 ; I/O Port C Address000380000000A 00039 SPI_CR EQU 0x0A ; SPI Control Register Shadow/Working Copy0000000B 00040 SPI_SR EQU 0x0B ; SPI Status Register Shadow/Working Copy0000000C 00041 SPI_DIO_H EQU 0x0C ; 1st byte To/From from SPI Rcv FIFO0000000D 00042 SPI_DIO_L EQU 0x0D ; 2nd byte To/From from SPI Rcv FIFO000430000000F 00044 DlyCntr EQU 0x0F ; General Purpose Delay Counter Register0004500046 ;-------------------------------------------------------------------------------00047 ; SPI Control Register Bit Map (M16C5x TRIS A register)00048 ;-------------------------------------------------------------------------------0004900000000 00050 SPI_CR_REn EQU 0 ; Enable MISO Data Capture00000001 00051 SPI_CR_SSel EQU 1 ; Slv Select: 0 - Ext SEEPROM, 1 - SSP_UART00000002 00052 SPI_CR_MD0 EQU 2 ; SPI Md[1:0]: UART - Mode 0 or Mode 300000003 00053 SPI_CR_MD1 EQU 3 ; SEEPROM - Mode 0 or Mode 3MPASM 5.50 M16C5X_TST3.ASM 7-13-2013 13:25:47 PAGE 2LOC OBJECT CODE LINE SOURCE TEXTVALUE00000004 00054 SPI_CR_BR0 EQU 4 ; SPI Baud Rate: 0 - Clk/2, ... Clk/12800000005 00055 SPI_CR_BR1 EQU 5 ; Default: 110 - Clk/6400000006 00056 SPI_CR_BR2 EQU 6 ; Clk/2 29.4912 MHz00000007 00057 SPI_CR_DIR EQU 7 ; SPI Shift Direction: 0 - MSB, 1 - LSB0005800059 ;-------------------------------------------------------------------------------00060 ; SPI Status Register Bit Map (M16C5x Port A input)00061 ;-------------------------------------------------------------------------------0006200000000 00063 SPI_SR_TF_EF EQU 0 ; SPI TF Empty Flag (All Data Transmitted)00000001 00064 SPI_SR_TF_FF EQU 1 ; SPI TF Full Flag (Possible Overrun Error)00000002 00065 SPI_SR_RF_EF EQU 2 ; SPI RF Empty Flag (Data Available)00000003 00066 SPI_SR_RF_FF EQU 3 ; SPI RF Full Flag (Possible Overrun Error)00000004 00067 SPI_SR_DE EQU 4 ; SSP UART RS-485 Drive Enable00000005 00068 SPI_SR_RTS EQU 5 ; SSP UART Request-To-Send Modem Control Out00000006 00069 SPI_SR_CTS EQU 6 ; SSP UART Clear-To-Send Modem Control Input00000007 00070 SPI_SR_IRQ EQU 7 ; SSP UART Interrupt Request Output0007100072 ;-------------------------------------------------------------------------------00073 ; SSP UART Control Register (RA = 000) (16-bits Total) (Read-Write)00074 ;-------------------------------------------------------------------------------0007500000003 00076 UART_CR_RA EQU 3 ; Bits 7:5 SPI_DIO_H00000001 00077 UART_CR_WnR EQU 1 ; Bit 4 SPI_DIO_H, Write if Set, elxe Read00000002 00078 UART_CR_MD EQU 2 ; Bits 3:2 SPI_DIO_H, UART Mode: 232/48500000001 00079 UART_CR_RTSo EQU 1 ; Bit 1 SPI_DIO_H, Request-To-Send Output00000001 00080 UART_CR_IE EQU 1 ; Bit 0 SPI_DIO_H, Interrupt Enable00000004 00081 UART_CR_FMT EQU 4 ; Bits 7:4 SPI_DIO_L, Serial Frame Format00000004 00082 UART_CR_BAUD EQU 4 ; Bits 3:0 SPI_DIO_L, Serial Baud Rate0008300084 ;-------------------------------------------------------------------------------00085 ; SSP UART Status Register (RA = 001) (16-bits Total) (Read-Only)00086 ;-------------------------------------------------------------------------------0008700000003 00088 UART_SR_RA EQU 3 ; Bits 7:5 SPI_DIO_H00000001 00089 UART_SR_WnR EQU 1 ; Bit 4 SPI_DIO_H, Ignored if Set00000002 00090 UART_SR_MD EQU 2 ; Bits 4:2 SPI_DIO_H, UART Mode00000001 00091 UART_SR_RTSi EQU 1 ; Bit 1 SPI_DIO_H, RTS signal level00000001 00092 UART_SR_CTSi EQU 1 ; Bit 0 SPI_DIO_H, CTS signal level00000002 00093 UART_SR_RS EQU 2 ; Bits 7:6 SPI_DIO_L, Rx FIFO State00000002 00094 UART_SR_TS EQU 2 ; Bits 5:4 SPI_DIO_L, Tx FIFO State00000001 00095 UART_SR_iRTO EQU 1 ; Bit 3 SPI_DIO_L, Rcv Timeout Interrupt00000001 00096 UART_SR_iRDA EQU 1 ; Bit 2 SPI_DIO_L, Rcv Data Available00000001 00097 UART_SR_iTHE EQU 1 ; Bit 1 SPI_DIO_L, Tx FIFO Half Empty00000001 00098 UART_SR_iTFE EQU 1 ; Bit 0 SPI_DIO_L, Tx FIFO Empty0009900100 ;-------------------------------------------------------------------------------00101 ; SSP UART Transmit Data Register (RA = 010) (16-bits Total) (Write-Only)00102 ;-------------------------------------------------------------------------------0010300000003 00104 UART_TD_RA EQU 3 ; Bits 7:5 SPI_DIO_H00000001 00105 UART_TD_WnR EQU 1 ; Bit 4 SPI_DIO_H, Ignored if Not Set00000001 00106 UART_TD_TFC EQU 1 ; Bit 3 SPI_DIO_H, Transmit FIFO Clear/RstMPASM 5.50 M16C5X_TST3.ASM 7-13-2013 13:25:47 PAGE 3LOC OBJECT CODE LINE SOURCE TEXTVALUE00000001 00107 UART_TD_RFC EQU 1 ; Bit 2 SPI_DIO_H, Receive FIFO Clear/Reset00000001 00108 UART_TD_HLD EQU 1 ; Bit 1 SPI_DIO_H, Transmit delayed until 000000001 00109 UART_TD_Rsvd EQU 1 ; Bit 0 SPI_DIO_H, Reserved00000008 00110 UART_TD_DO EQU 8 ; Bits 7:0 SPI_DIO_L, Tx Data: 7 or 8 bits0011100112 ;-------------------------------------------------------------------------------00113 ; SSP UART Recieve Data Register (RA = 011) (16-bits Total) (Read-Only)00114 ;-------------------------------------------------------------------------------0011500000003 00116 UART_RD_RA EQU 3 ; Bits 7:5 SPI_DIO_H00000001 00117 UART_RD_WnR EQU 1 ; Bit 4 SPI_DIO_H, Ignored if Set00000001 00118 UART_RD_TRDY EQU 1 ; Bit 3 SPI_DIO_H, Transmit Ready00000001 00119 UART_RD_RRDY EQU 1 ; Bit 2 SPI_DIO_H, Receive Ready00000001 00120 UART_RD_RTO EQU 1 ; Bit 1 SPI_DIO_H, Receive Time Out Detected00000001 00121 UART_RD_RERR EQU 1 ; Bit 0 SPI_DIO_H, Receive Error Dectected00000008 00122 UART_RD_DI EQU 8 ; Bits 7:0 SPI_DIO_L, Rx Data: 7 or 8 bits0012300124 ;-------------------------------------------------------------------------------00125 ; Set Reset/WDT Vector00126 ;-------------------------------------------------------------------------------0012707FF 00128 ORG 0x7FF00129Message[306]: Crossing page boundary -- ensure page bits are set.07FF 0A00 00130 GOTO Start0013100132 ;-------------------------------------------------------------------------------00133 ; Main Program00134 ;-------------------------------------------------------------------------------001350000 00136 ORG 0x0000013700138 ;-------------------------------------------------------------------------------001390000 0CFF 00140 Start MOVLW 0xFF ; Initialize TRIS A and TRIS B to all 1s0001 0005 00141 TRIS 50002 0006 00142 TRIS 6001430003 0C0E 00144 MOVLW 0x0E ; Load W with SPI CR Initial Value0004 002A 00145 MOVWF SPI_CR ; Save copy of value0005 0007 00146 TRIS 7 ; Initialize SPI CR001470006 0C08 00148 MOVLW 0x08 ; Delay before using SPI I/F0007 002F 00149 MOVWF DlyCntr0008 02EF 00150 SPI_Init_Dly DECFSZ DlyCntr,10009 0A08 00151 GOTO SPI_Init_Dly00152000A 0C1B 00153 MOVLW 0x1B ; UART CR (Hi): RS485 w/o Loop Back, IE000B 0027 00154 MOVWF PortC ; Output to SPI and to UART000C 0C00 00155 MOVLW 0x00 ; UART CR (Lo) Set 8N1000D 0027 00156 MOVWF PortC00157000E 0C30 00158 MOVLW 0x30 ; UART BRR (Hi) PS[3:0]MPASM 5.50 M16C5X_TST3.ASM 7-13-2013 13:25:47 PAGE 4LOC OBJECT CODE LINE SOURCE TEXTVALUE000F 0027 00159 MOVWF PortC ; Output to SPI and to UART0010 0CBF 00160 MOVLW 0xBF ; UART BRR (Lo) Div[7:0]0011 0027 00161 MOVWF PortC001620012 0705 00163 WaitLp1 BTFSS PortA, SPI_SR_TF_EF ; Wait for UART UCR, BRR output0013 0A12 00164 GOTO WaitLp1001650014 0C50 00166 Wr_UART_TD MOVLW 0x50 ; UART TD (Hi) RA = 2, WnR = 10015 0027 00167 MOVWF PortC ; Output to SPI and to UART0016 0C55 00168 MOVLW 0x55 ; UART TD (Lo) 0x55 = "U"0017 0027 00169 MOVWF PortC ; Output to SPI and to UART001700018 0705 00171 WaitLp2 BTFSS PortA, SPI_SR_TF_EF ; Wait for UART CR data to be sent0019 0A18 00172 GOTO WaitLp200173001A 050A 00174 BSF SPI_CR, SPI_CR_REn ; Enable SPI IF Capture MISO data00175001B 020A 00176 MOVF SPI_CR,0 ; Load SPI CR Shadow001C 0007 00177 TRIS 7 ; Enable SPI I/F Receive Function00178001D 0C20 00179 Rd_UART_SR MOVLW 0x20 ; Read UART Status Register001E 0027 00180 MOVWF PortC001F 0040 00181 CLRW0020 0027 00182 MOVWF PortC001830021 0645 00184 WaitLp3 BTFSC PortA, SPI_SR_RF_EF ; Wait for UART Return Data (Hi)0022 0A21 00185 GOTO WaitLp3001860023 0207 00187 MOVF PortC,0 ; Read SPI Receive FIFO0024 002C 00188 MOVWF SPI_DIO_H ; Store UART SR (hi byte)00189001900025 0645 00191 WaitLp4 BTFSC PortA, SPI_SR_RF_EF ; Wait for UART Return Data (Hi)0026 0A25 00192 GOTO WaitLp4001930027 0207 00194 MOVF PortC,0 ; Read SPI Receive FIFO0028 002D 00195 MOVWF SPI_DIO_L ; Store UART SR (hi byte)001960029 070D 00197 BTFSS SPI_DIO_L,0 ; Test UART_SR_iTFE bit002A 0A1D 00198 GOTO Rd_UART_SR ; Loop until UART TF Empty00199002B 040A 00200 BCF SPI_CR, SPI_CR_REn ; Disable SPI IF Capture MISO data00201002C 020A 00202 MOVF SPI_CR,0 ; Load SPI CR Shadow002D 0007 00203 TRIS 7 ; Disable SPI I/F Receive Function00204002E 0A14 00205 GOTO Wr_UART_TD ; Loop Forever, send 0x55 continously0020600207 ;-------------------------------------------------------------------------------0020800209 ENDMPASM 5.50 M16C5X_TST3.ASM 7-13-2013 13:25:47 PAGE 5SYMBOL TABLELABEL VALUEDlyCntr 0000000FFSR 00000004INDF 00000000PCL 00000002PortA 00000005PortB 00000006PortC 00000007Rd_UART_SR 0000001DSPI_CR 0000000ASPI_CR_BR0 00000004SPI_CR_BR1 00000005SPI_CR_BR2 00000006SPI_CR_DIR 00000007SPI_CR_MD0 00000002SPI_CR_MD1 00000003SPI_CR_REn 00000000SPI_CR_SSel 00000001SPI_DIO_H 0000000CSPI_DIO_L 0000000DSPI_Init_Dly 00000008SPI_SR 0000000BSPI_SR_CTS 00000006SPI_SR_DE 00000004SPI_SR_IRQ 00000007SPI_SR_RF_EF 00000002SPI_SR_RF_FF 00000003SPI_SR_RTS 00000005SPI_SR_TF_EF 00000000SPI_SR_TF_FF 00000001ScratchPadRAM 00000010Start 00000000Status 00000003Tmr0 00000001UART_CR_BAUD 00000004UART_CR_FMT 00000004UART_CR_IE 00000001UART_CR_MD 00000002UART_CR_RA 00000003UART_CR_RTSo 00000001UART_CR_WnR 00000001UART_RD_DI 00000008UART_RD_RA 00000003UART_RD_RERR 00000001UART_RD_RRDY 00000001UART_RD_RTO 00000001UART_RD_TRDY 00000001UART_RD_WnR 00000001UART_SR_CTSi 00000001UART_SR_MD 00000002UART_SR_RA 00000003UART_SR_RS 00000002UART_SR_RTSi 00000001UART_SR_TS 00000002MPASM 5.50 M16C5X_TST3.ASM 7-13-2013 13:25:47 PAGE 6SYMBOL TABLELABEL VALUEUART_SR_WnR 00000001UART_SR_iRDA 00000001UART_SR_iRTO 00000001UART_SR_iTFE 00000001UART_SR_iTHE 00000001UART_TD_DO 00000008UART_TD_HLD 00000001UART_TD_RA 00000003UART_TD_RFC 00000001UART_TD_Rsvd 00000001UART_TD_TFC 00000001UART_TD_WnR 00000001WaitLp1 00000012WaitLp2 00000018WaitLp3 00000021WaitLp4 00000025Wr_UART_TD 00000014__16F59 00000001MEMORY USAGE MAP ('X' = Used, '-' = Unused)0000 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXX- ----------------07C0 : ---------------- ---------------- ---------------- ---------------XAll other memory blocks unused.Program Memory Words Used: 48Program Memory Words Free: 2000Errors : 0Warnings : 0 reported, 0 suppressedMessages : 1 reported, 0 suppressed