state.c

二: 普通计算器的设计说明: 1 普通计算器的主要功能(普通计算与逆波兰计算): 1.1主要功能: 包括 a普通加减乘除运算及带括号的运算 b各类三角与反三角运算（可实现角度与弧度的切换） c逻辑运算

void Set_Cursor_Style (int mode)
{
	switch (mode) {
		case INSERT :
			_CH = 6;
			_CL = 7;
			_AH = 1;
			geninterrupt(0x10);
			break;
		case REPLACE :
			_CH = 0;
			_CL = 7;
			_AH = 1;
			geninterrupt(0x10);
			break;
		case HIDE :
			_CH = 8;
			_CL = 0;
			_AH = 1;
			geninterrupt(0x10);
			break;
		}
	return;
}
void Put_State(int ins_mode)
{
	TEXEL tmp;
	char * state;
	unsigned char attr;
	int i;
	if ( ins_mode == INSERT ) {
		Set_Cursor_Style(INSERT);
		state = " INS ";
	}
	if ( ins_mode == REPLACE ) {
		Set_Cursor_Style(REPLACE);
		state = " REP ";
	}
	attr = attr3;
	if ( ins_mode == HIDE ) {
		Set_Cursor_Style(HIDE);
		attr = attr1;
		state = "     ";
	}
	for ( i=76; i<=80; i++) {
		gettext(i,1,i,1,&tmp);
		tmp.attr = attr;
		tmp.ch = *(state+i-76);
		puttext(i,1,i,1,&tmp);
	}
	return;
}
void Dec_State(int mode)
{
	TEXEL tmp;
	char * state;
	unsigned char attr;
	int i;
	if ( mode == DEC )
		state = " DEC ";
	if ( mode == OCT )
		state = " OCT ";
	if ( mode == BIN )
		state = " BIN ";
	attr = attr3;
	if ( mode == HIDE ) {
		attr = attr1;
		state = "     ";
	}
	for ( i=71; i<=75; i++) {
		gettext(i,1,i,1,&tmp);
		tmp.attr = attr;
		tmp.ch = *(state+i-71);
		puttext(i,1,i,1,&tmp);
	}
	return;
}
void Ang_State(int mode)
{
	TEXEL tmp;
	char * state;
	unsigned char attr;
	int i;
	if ( mode == ANG )
		state = " ANG ";
	if ( mode == RAD )
		state = " RAD ";
	attr = attr3;
	if ( mode == HIDE ) {
		attr = attr1;
		state = "     ";
	}
	for ( i=66; i<=70; i++) {
		gettext(i,1,i,1,&tmp);
		tmp.attr = attr;
		tmp.ch = *(state+i-66);
		puttext(i,1,i,1,&tmp);
	}
	return;
}