pic18 双字节除法 C语言汇编混合编程

#include "P18F1320.h" /********************CONFIGURATION******************************/ #pragma config OSC = HSPLL //High-Speed Crystal/Resonator with PLL enabled 4*PLL(HS+PLL) #pragma config IESO = OFF //Internal External Switch Over mode disabled #pragma config PWRT = OFF //Power-up Timer Disabled #pragma config WDT = OFF//ON //Watchdog Timer Disabled #pragma config WDTPS = 32768 //Watchdog Postscaler #pragma config MCLRE = ON //RE3为复位端 #pragma config LVP = OFF //Low Voltage ICSP #pragma config CPD = OFF //Data EEPROM Code Protection unsigned char TEMP; unsigned int ACCA,ACCB,ACCC,ACCD; extern unsigned char asm_div( unsigned int divd ,unsigned int div ); void main(void) { unsigned char result; ACCA = 0; ACCB = 0; ACCC = 0; ACCD = 0; while(1) { asm_div(980,6); Nop(); } }