1. Introduction to MPLAB IDE

2. What is IDE? Integrated Development Environment (IDE) Collection of integrated programs (tools) to write assembly programs, assemble, execute, and debug programs. Microchip IDE is called MPLAB IDE

3. Writing Assembly Programs / and IDE Structure

4. File Structure in IDE Project_name.mcp Project_name.mcw Project_name.mcs code_listing.asm New project Code listing

5. Error File (.err) Error[113] C:\MCC18\CLASS_PROJECT\ADDCARY.ASM 9 : Symbol not previously defined (START) Error[122] C:\MCC18\CLASS_PROJECT\ADDCARY.ASM 11 : Illegal opcode (MOViLW) Warning[207] C:\MCC18\CLASS_PROJECT\ADDCARY.ASM 17 : Found label after column 1. (MOiVLW) Error[108] C:\MCC18\CLASS_PROJECT\ADDCARY.ASM 17 : Illegal character (0) Line Number which has an error. Read the error and correct it.

6. List file (*.lst) 000000 EF10 F000 00009 GOTO START 000020 00010 ORG 0020H 000020 0EF2 00011 START: MOVLW BYTE1 000022 6E00 00012 MOVWF REG0,0 000024 0E32 00013 MOVLW BYTE2 000026 6E01 00014 MOVWF REG1,0 000028 2400 00015 ADDWF REG0,0,0 00002A E301 00016 BNC SAVE 00002C 0E00 00017 MOVLW 0x00 00002E 6E02 00018 SAVE: MOVWF REG2,0 000030 0003 00019 SLEEP 00020 END MPASM 5.12 ADDCARY.ASM 2-26-2008 20:03:03 PAGE 2 SYMBOL TABLE LABEL VALUE BYTE1 000000F2 BYTE2 00000032 REG0 00000000 REG1 00000001 REG2 00000002 SAVE 0000002E START 00000020 __18F452 00000001 Messages : 0 reported, 0 suppressed MEMORY USAGE MAP ('X' = Used, '-' = Unused) 0000 : XXXX------------ ---------------- XXXXXXXXXXXXXXXX XX-------------- All other memory blocks unused. Program Memory Bytes Used: 22 Program Memory Bytes Free: 32746 Errors : 0 Warnings : 0 reported, 0 suppressed Identifies all memory locations and opcodes in the source code

7. List file (*.lst) 000000 EF10 F000 00009 GOTO START 000020 00010 ORG 0020H 000020 0EF2 00011 START: MOVLW BYTE1 000022 6E00 00012 MOVWF REG0,0 000024 0E32 00013 MOVLW BYTE2 000026 6E01 00014 MOVWF REG1,0 000028 2400 00015 ADDWF REG0,0,0 00002A E301 00016 BNC SAVE 00002C 0E00 00017 MOVLW 0x00 00002E 6E02 00018 SAVE: MOVWF REG2,0 000030 0003 00019 SLEEP 00020 END MPASM 5.12 ADDCARY.ASM 2-26-2008 20:03:03 PAGE 2 SYMBOL TABLE LABEL VALUE BYTE1 000000F2 BYTE2 00000032 REG0 00000000 REG1 00000001 REG2 00000002 SAVE 0000002E START 00000020 __18F452 00000001 Messages : 0 reported, 0 suppressed MEMORY USAGE MAP ('X' = Used, '-' = Unused) 0000 : XXXX------------ ---------------- XXXXXXXXXXXXXXXX XX-------------- All other memory blocks unused. Program Memory Bytes Used: 22 Program Memory Bytes Free: 32746 Errors : 0 Warnings : 0 reported, 0 suppressed Identifies all memory locations and opcodes in the source code Memory Address opcode Sequential Line numbers

8. Hex Code (*.HEX) :020000040000FA :0400000010EF00F00D :10002000F20E006E320E016E002401E3000E026E2D :020030000300CB :00000001FF *.COD is an executable file. *.O is the object file

9. Viewing Your Code WATCH CODE PROG MEMORY EEPROM PROG STRUCTURE