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MPASM 5.50 M16C5X_TST2.ASM 7-4-2013 11:39:38 PAGE 1
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LOC OBJECT CODE LINE SOURCE TEXT
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VALUE
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00001 ;*******************************************************************************
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00002 ; M16C5x_Tst2.ASM
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00003 ;
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00004 ; This is the source for the test program used to develop the PIC16C5x proce-
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00005 ; core. It has also been used to test the P16C5x version of the PIC16C5x core.
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00006 ;
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00007 ; The first instruction of the program is expected to be placed in location 0.
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00008 ;
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00009 ; The program tests most instructions, but not is a self-checking manner. In-
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00010 ; spection of the registers is the method used to verify that the cores are
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00011 ; operating correctly.
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00012 ;
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00013 ;*******************************************************************************
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00014
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00015 LIST P=16F59, R=DEC
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00016
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00017 ;-------------------------------------------------------------------------------
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00018 ; Set ScratchPadRam here. If you are using a PIC16C5X device, use:
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00019 ;ScratchPadRam EQU 0x10
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00020 ; Otherwise, use:
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00021 ;ScratchPadRam EQU 0x20
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00022 ;-------------------------------------------------------------------------------
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00023
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0000000A 00024 ScratchPadRam EQU 0x0A
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00025
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00026 ;-------------------------------------------------------------------------------
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00027 ; Variables
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00028 ;-------------------------------------------------------------------------------
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00029
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00000000 00030 INDF EQU 0 ; Indirect Register File Access Location
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00000001 00031 Tmr0 EQU 1 ; Timer 0
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00000002 00032 PCL EQU 2 ; Low Byte Program Counter
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00000003 00033 Status EQU 3 ; Processor Status Register
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00000004 00034 FSR EQU 4 ; File Select Register
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00000005 00035 PortA EQU 5 ; I/O Port A Address
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00000006 00036 PortB EQU 6 ; I/O Port B Address
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00000007 00037 PortC EQU 7 ; I/O Port C Address
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00038
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0000000A 00039 Cntr EQU ScratchPadRam+0
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0000000B 00040 MemStart EQU ScratchPadRam+1
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00000015 00041 Count EQU 32-MemStart
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00042
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0000000A 00043 DelayLoop EQU ScratchPadRam+0
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00044
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00045 ;-------------------------------------------------------------------------------
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00046 ; Set Reset/WDT Vector
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00047 ;-------------------------------------------------------------------------------
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00048
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07FF 00049 ORG H'7FF'
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00050
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Message[306]: Crossing page boundary -- ensure page bits are set.
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07FF 0A00 00051 GOTO Start
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00052
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MPASM 5.50 M16C5X_TST2.ASM 7-4-2013 11:39:38 PAGE 2
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LOC OBJECT CODE LINE SOURCE TEXT
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VALUE
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00053 ;-------------------------------------------------------------------------------
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00054 ; Main Program
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00055 ;-------------------------------------------------------------------------------
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00056
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0000 00057 ORG H'000'
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00058
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00059 ;-------------------------------------------------------------------------------
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0000 0763 00060 Start BTFSS Status,3 ;; Test PD (STATUS.3), if 1, ~SLEEP restart
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0001 0A30 00061 GOTO SleepRestart ;; SLEEP restart, continue test program
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0002 0C07 00062 MOVLW 0x07 ;; load OPTION
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0003 0002 00063 OPTION
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0004 0040 00064 CLRW ;; clear working register
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0005 0005 00065 TRIS PortA ;; load W into port control registers
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0006 0006 00066 TRIS PortB
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0007 0007 00067 TRIS PortC
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00068 ;
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00069 ; GOTO Next ;; Test GOTO
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00070 ;
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0008 0A0A 00071 GOTO Next
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00072 ;
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0009 0CFF 00073 MOVLW 0xFF ;; instruction should be skipped
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00074 ;
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000A 090D 00075 Next CALL Subroutine ;; Test CALL
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00076
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000B 0022 00077 MOVWF PCL ;; Test Computed GOTO, Load PCL with W
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000C 0000 00078 NOP ;; No Operation
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00079
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000D 080E 00080 Subroutine RETLW Subroutine + 1 ;; Test RETLW, return 0x0E in W
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00081
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000E 0C0B 00082 MOVLW MemStart ;; starting RAM + 1
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000F 0024 00083 MOVWF FSR ;; indirect address register (FSR)
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00084 ;-------------------------------------------------------------------------------
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0010 0C15 00085 MOVLW Count ;; internal RAM count - 1
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0011 002A 00086 MOVWF Cntr ;; loop counter
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0012 0CAA 00087 MOVLW 0xAA ;; zero working register
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00088 ;
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0013 0020 00089 Loop1 MOVWF INDF ;; clear RAM indirectly
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0014 02A4 00090 INCF FSR,1 ;; increment FSR
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0015 02EA 00091 DECFSZ Cntr,1 ;; decrement loop counter
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0016 0A13 00092 GOTO Loop1 ;; loop until loop counter == 0
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00093 ;
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0017 0C0B 00094 MOVLW MemStart ;; starting RAM + 1
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0018 0024 00095 MOVWF FSR ;; reload FSR
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0019 0CEB 00096 MOVLW (256 - Count) ;; set loop counter to 256 - 23
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001A 002A 00097 MOVWF Cntr
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00098 ;
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001B 0260 00099 Loop2 COMF INDF,1 ;; Complement Memory Pattern from Loop 1
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001C 02A4 00100 INCF FSR,1 ;; Increment Indirect Pointer to Memory
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001D 03EA 00101 INCFSZ Cntr,1 ;; increment counter loop until 0
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001E 0A1B 00102 GOTO Loop2 ;; loop
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00103 ;
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001F 006A 00104 CLRF Cntr ;; Clear Memory Location 0x08
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00105 ;-------------------------------------------------------------------------------
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MPASM 5.50 M16C5X_TST2.ASM 7-4-2013 11:39:38 PAGE 3
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LOC OBJECT CODE LINE SOURCE TEXT
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VALUE
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0020 00EA 00106 DECF Cntr,1 ;; Decrement Memory Location 0x08
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0021 01CA 00107 ADDWF Cntr,0 ;; Add Memory Location 0x08 to W, Store in W
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0022 00AA 00108 SUBWF Cntr,1 ;; Subtract Memory Location 0x08
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0023 036A 00109 RLF Cntr,1 ;; Rotate Memory Location 0x08
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0024 032A 00110 RRF Cntr,1 ;; Rotate Memory Location
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0025 0C69 00111 MOVLW 0x69 ;; Load W with test pattern: W <= 0x69
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0026 002A 00112 MOVWF (MemStart - 1) ;; Initialize Memory with test pattern
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0027 03AA 00113 SWAPF Cntr,1 ;; Test SWAPF: (0x08) <= 0x96
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0028 012A 00114 IORWF Cntr,1 ;; Test IORWF: (0x08) <= 0x69 | 0x96
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0029 016A 00115 ANDWF Cntr,1 ;; Test ANDWF: (0x08) <= 0x69 & 0xFF
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002A 01AA 00116 XORWF Cntr,1 ;; Test XORWF: (0x08) <= 0x69 ^ 0x69
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Message[305]: Using default destination of 1 (file).
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002B 026A 00117 COMF Cntr ;; Test COMF: (0x08) <= ~0x00
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002C 0D96 00118 IORLW 0x96 ;; Test IORLW: W <= 0x69 | 0x96
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002D 0E69 00119 ANDLW 0x69 ;; Test ANDLW: W <= 0xFF & 0x69
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002E 0F69 00120 XORLW 0x69 ;; Test XORLW: W <= 0x69 ^ 0x69
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00121 ; SLEEP ;; Stop Execution of test program: HALT
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002F 0A40 00122 GOTO PortTst
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00123 ;-------------------------------------------------------------------------------
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0030 0004 00124 SleepRestart CLRWDT ;; Detected SLEEP restart, Clr WDT to reset PD
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0031 0663 00125 BTFSC Status,3 ;; Check STATUS.3, skip if ~PD clear
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0032 0A34 00126 GOTO Continue ;; ~PD is set, CLRWDT cleared PD
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0033 0A33 00127 ErrorLoop GOTO ErrorLoop ;; ERROR: hold here on error
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00128 ;
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0034 0C10 00129 Continue MOVLW 0x10 ;; Load FSR with non-banked RAM address
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0035 0024 00130 MOVWF FSR ;; Initialize FSR for Bit Processor Tests
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0036 0060 00131 CLRF INDF ;; Clear non-banked RAM location using INDF
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0037 0503 00132 BSF Status,0 ;; Set STATUS.0 (C) bit
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0038 0423 00133 BCF Status,1 ;; Clear STATUS.1 (DC) bit
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0039 0443 00134 BCF Status,2 ;; Clear STATUS.2 (Z) bit
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003A 0203 00135 MOVF Status,0 ;; Load W with STATUS
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003B 0300 00136 RRF INDF,0 ;; Rotate Right RAM location: C <= 0, W <= 0x80
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003C 0340 00137 RLF INDF,0 ;; Rotate Left RAM location: C <= 0, (INDF) <= 0x00
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003D 0020 00138 MOVWF INDF ;; Write result back to RAM: (INDF) <= 0x80
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003E 0021 00139 MOVWF Tmr0 ;; Write to TMR0, clear Prescaler
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003F 0A00 00140 GOTO Start ;; Restart Program
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00141 ;-------------------------------------------------------------------------------
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00142 ;PortTst
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00143 ;
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00144 ; MOVLW 0xAA ;; Load W with 0xAA
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00145 ; MOVWF PortA ;; WE_PortA
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00146 ; MOVWF PortB ;; WE_PortB
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00147 ; MOVWF PortC ;; WE_PortC
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00148 ; MOVF PortA,0 ;; RE_PortA
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00149 ; MOVF PortB,0 ;; RE_PortB
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00150 ; MOVF PortC,0 ;; RE_PortC
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00151 ; COMF PortA,1 ;; Complement PortA
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00152 ; COMF PortB,1 ;; Complement PortB
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00153 ; COMF PortC,1 ;; Complement PortC
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00154 ; CLRF PortA ;; Clear PortA
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00155 ; CLRF PortB ;; Clear PortB
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00156 ; CLRF PortC ;; Clear PortC
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00157 ; CLRW ;; zero working register
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MPASM 5.50 M16C5X_TST2.ASM 7-4-2013 11:39:38 PAGE 4
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LOC OBJECT CODE LINE SOURCE TEXT
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VALUE
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00158 ;
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00159 ;
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0040 00EC 00160 PortTst DECF 0x0C,1
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0041 020C 00161 MOVF 0x0C,0
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0042 0025 00162 MOVWF PortA
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00163 ;
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0043 0945 00164 CALL Delay
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00165 ;
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0044 0A40 00166 GOTO PortTst
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00167
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00168 ;
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00169 ; Delay Subroutine
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00170 ;
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0045 0000 00171 Delay NOP
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00172 ;
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0046 0CEE 00173 MOVLW 0xEE
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0047 002A 00174 MOVWF 0x0A
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0048 0C01 00175 MOVLW 0x01
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0049 002B 00176 MOVWF 0x0B
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00177 ;
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004A 02EA 00178 DelayLp DECFSZ 0x0A,1 ;; Decrement Delay Low
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004B 0A4A 00179 GOTO DelayLp
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004C 0004 00180 CLRWDT ;; Tickle WDT
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004D 02EB 00181 DECFSZ 0x0B,1 ;; Decrement Delay High
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004E 0A4A 00182 GOTO DelayLp
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00183 ;
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004F 0800 00184 RETLW 0x00
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00185 ;-------------------------------------------------------------------------------
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00186 END
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MPASM 5.50 M16C5X_TST2.ASM 7-4-2013 11:39:38 PAGE 5
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SYMBOL TABLE
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LABEL VALUE
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Cntr 0000000A
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Continue 00000034
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Count 00000015
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Delay 00000045
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DelayLoop 0000000A
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DelayLp 0000004A
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ErrorLoop 00000033
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FSR 00000004
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INDF 00000000
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Loop1 00000013
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Loop2 0000001B
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MemStart 0000000B
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Next 0000000A
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PCL 00000002
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PortA 00000005
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PortB 00000006
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PortC 00000007
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PortTst 00000040
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ScratchPadRam 0000000A
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SleepRestart 00000030
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Start 00000000
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Status 00000003
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Subroutine 0000000D
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Tmr0 00000001
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__16F59 00000001
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__DEBUG 1
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MEMORY USAGE MAP ('X' = Used, '-' = Unused)
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0000 : XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXX
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0040 : XXXXXXXXXXXXXXXX ---------------- ---------------- ----------------
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07C0 : ---------------- ---------------- ---------------- ---------------X
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All other memory blocks unused.
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Program Memory Words Used: 81
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Program Memory Words Free: 1967
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Errors : 0
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Warnings : 0 reported, 0 suppressed
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Messages : 2 reported, 0 suppressed
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