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ghlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*---------------------------------------------------------------------------+
 |  fpu_arith.c                                                              |
 |                                                                           |
 | Code to implement the FPU register/register arithmetic instructions       |
 |                                                                           |
 | Copyright (C) 1992,1993,1997                                              |
 |                  W. Metzenthen, 22 Parker St, Ormond, Vic 3163, Australia |
 |                  E-mail   billm@suburbia.net                              |
 |                                                                           |
 |                                                                           |
 +---------------------------------------------------------------------------*/

#include "fpu_system.h"
#include "fpu_emu.h"
#include "control_w.h"
#include "status_w.h"

void fadd__(void)
{
	/* fadd st,st(i) */
	int i = FPU_rm;
	clear_C1();
	FPU_add(&st(i), FPU_gettagi(i), 0, control_word);
}

void fmul__(void)
{
	/* fmul st,st(i) */
	int i = FPU_rm;
	clear_C1();
	FPU_mul(&st(i), FPU_gettagi(i), 0, control_word);
}

void fsub__(void)
{
	/* fsub st,st(i) */
	clear_C1();
	FPU_sub(0, FPU_rm, control_word);
}

void fsubr_(void)
{
	/* fsubr st,st(i) */
	clear_C1();
	FPU_sub(REV, FPU_rm, control_word);
}

void fdiv__(void)
{
	/* fdiv st,st(i) */
	clear_C1();
	FPU_div(0, FPU_rm, control_word);
}

void fdivr_(void)
{
	/* fdivr st,st(i) */
	clear_C1();
	FPU_div(REV, FPU_rm, control_word);
}

void fadd_i(void)
{
	/* fadd st(i),st */
	int i = FPU_rm;
	clear_C1();
	FPU_add(&st(i), FPU_gettagi(i), i, control_word);
}

void fmul_i(void)
{
	/* fmul st(i),st */
	clear_C1();
	FPU_mul(&st(0), FPU_gettag0(), FPU_rm, control_word);
}

void fsubri(void)
{
	/* fsubr st(i),st */
	clear_C1();
	FPU_sub(DEST_RM, FPU_rm, control_word);
}

void fsub_i(void)
{
	/* fsub st(i),st */
	clear_C1();
	FPU_sub(REV | DEST_RM, FPU_rm, control_word);
}

void fdivri(void)
{
	/* fdivr st(i),st */
	clear_C1();
	FPU_div(DEST_RM, FPU_rm, control_word);
}

void fdiv_i(void)
{
	/* fdiv st(i),st */
	clear_C1();
	FPU_div(REV | DEST_RM, FPU_rm, control_word);
}

void faddp_(void)
{
	/* faddp st(i),st */
	int i = FPU_rm;
	clear_C1();
	if (FPU_add(&st(i), FPU_gettagi(i), i, control_word) >= 0)
		FPU_pop();
}

void fmulp_(void)
{
	/* fmulp st(i),st */
	clear_C1();
	if (FPU_mul(&st(0), FPU_gettag0(), FPU_rm, control_word) >= 0)
		FPU_pop();
}

void fsubrp(void)
{
	/* fsubrp st(i),st */
	clear_C1();
	if (FPU_sub(DEST_RM, FPU_rm, control_word) >= 0)
		FPU_pop();
}

void fsubp_(void)
{
	/* fsubp st(i),st */
	clear_C1();
	if (FPU_sub(REV | DEST_RM, FPU_rm, control_word) >= 0)
		FPU_pop();
}

void fdivrp(void)
{
	/* fdivrp st(i),st */
	clear_C1();
	if (FPU_div(DEST_RM, FPU_rm, control_word) >= 0)
		FPU_pop();
}

void fdivp_(void)
{
	/* fdivp st(i),st */
	clear_C1();
	if (FPU_div(REV | DEST_RM, FPU_rm, control_word) >= 0)
		FPU_pop();
}