add two 24-bit numbers (sum two numbers)

Sat May 11, 2013 9:37 pm

add two 24-bit numbers

Code:: #include <p18F8720.inc> org 0x00 goto start org 0x08 retfie org 0x18 retfie start movf 0x10,W,A ; WREG <- [0x10] addwf 0x13,W,A ; WREG <- [0x13] + [0x10] movwf 0x20,A ; 0x20 <- [0x10] + [0x13] movf 0x11,W,A ; WREG <- [0x11] addwfc 0x14,W,A ; WREG <- [0x11] + [0x14] + C flag movwf 0x21,A ; 0x21 <- [WREG] movf 0x12,W,A ; WREG <- [0x12] addwfc 0x15,W,A ; WREG <- [0x12] + [0x15] + C flag movwf 0x22,A ; 0x22 <- [WREG] end