From b77b22b3bd99c03b032cbd47465b1cbe34821120 Mon Sep 17 00:00:00 2001
From: Pixel <>
Date: Mon, 16 Apr 2001 22:47:34 +0000
Subject: Blouarf

---
 lib/simulator.c | 26 ++++++++++++++++++++------
 1 file changed, 20 insertions(+), 6 deletions(-)

(limited to 'lib/simulator.c')

diff --git a/lib/simulator.c b/lib/simulator.c
index 9a859f4..802587b 100644
--- a/lib/simulator.c
+++ b/lib/simulator.c
@@ -98,8 +98,10 @@ void DecodeExec(Uint32 instruction)
 	Uint32 champ_registre_resultat, val1, val2, resultat;
 	int test1, test2;
 	Uint32 val;		/* valeur qui va etre stockée */
-
+	
+	
 	if (Opcode(instruction) & 0x80) {
+		fprintf(stderr, "Opcode FPU\n");
 		fpu(Opcode(instruction));
 	} else {
 		switch (Opcode(instruction)) {
@@ -111,6 +113,7 @@ void DecodeExec(Uint32 instruction)
 		case 5:
 		case 6:
 		case 7:
+			fprintf(stderr, "Opcode ALU\n");
 			/* ALU */
 			champ_registre_resultat = Champ1(instruction);	/* Champ du registre dans lequel va etre stocké le résultat */
 			val1 = LireRegistre(Champ2(instruction));	/* Premier entier qui va etre utilisé dans l'opération */
@@ -185,6 +188,7 @@ void DecodeExec(Uint32 instruction)
 			}
 			break;
 		case 8:	/*  MOV  */
+			fprintf(stderr, "Opcode MOV\n");
 			if (ValeurBit(Extension(instruction), 4) == 1) {	/* MOV conditionnel  */
 				if (ValeurBit(Extension(instruction), 5) == 0) {	/* Test normal */
 					switch (champ(Extension(instruction) >> 2, 4)) {	/* teste les bits 2 et 3 */
@@ -220,28 +224,38 @@ void DecodeExec(Uint32 instruction)
 			}
 			/* Pas de MOV conditionnel */
 			if (ValeurBit(Extension(instruction), 1) == 0) {	/* Mov arg1 arg2 */
+				fprintf(stderr, "MOV arg1, arg2\n");
 				if (ValeurBit(Extension(instruction), 0) == 0) {	/* arg2 = reg */
+					fprintf(stderr, "arg2 = reg (%i)\n", Champ2(instruction));
 					if (champ(Champ1(instruction), 2) == 0) {	/* r/m de arg1 = 0 */
+						fprintf(stderr, "arg1 = reg (%i)\n", Champ3(instruction));
 						EcrireRegistre(Champ3(instruction), LireRegistre(Champ2(instruction)));
 					} else {
+						fprintf(stderr, "arg1 = adresse\n");
 						ST(Adresse(Champ1(instruction), instruction),
 						   LireRegistre(Champ2(instruction)));
 					}
 				} else {	/* arg2 = imm32 */
+					fprintf(stderr, "arg2 = imm (%i)\n", LireInstruction());
 					if (champ(Champ1(instruction), 2) == 0) {	/* r/m de arg1 = 0 */
+						fprintf(stderr, "arg1 = reg (%i)\n", Champ3(instruction));
 						EcrireRegistre(Champ3(instruction), LireInstruction());
 						IncrementeCompteurOrdinal();
 					} else {
+						fprintf(stderr, "arg1 = adresse\n");
 						ST(Adresse(Champ1(instruction), instruction), LireInstruction());
 						IncrementeCompteurOrdinal();
 					}
 				}
 			} else {
+				fprintf(stderr, "MOV arg2, arg1\n");
 				if (ValeurBit(Extension(instruction), 0) == 0) {	/* arg2 = reg */
+					fprintf(stderr, "arg2 = reg (%i)\n", Champ2(instruction));
 					if (champ(Champ1(instruction), 2) == 0) {	/* r/m de arg1 = 0 */
+						fprintf(stderr, "arg1 = reg (%i)\n", Champ3(instruction));
 						EcrireRegistre(Champ2(instruction), LireRegistre(Champ3(instruction)));
-
 					} else {
+						fprintf(stderr, "arg1 = addresse\n");
 						EcrireRegistre(Champ2(instruction),
 							       LD(Adresse(Champ1(instruction), instruction)));
 					}
@@ -392,10 +406,13 @@ void AfficheReg(void)		//  affiche reg
 void Debogueur(void)
 {
 	int out = 0;
+	
+	Uint32 instruction = LireInstruction();
 
 	while (!out) {
 		AfficheReg();
-		fprintf(stderr, "%08lX:%08lX  > ", LireRegistrePC(), LD(LireRegistrePC()));
+		fprintf(stderr, "Opcode: %02X, extension: %02X, champ1: %02X, champ2: %02X, champ3: %02X\n", Opcode(instruction), Extension(instruction), Champ1(instruction), Champ2(instruction), Champ3(instruction));
+		fprintf(stderr, "%08lX:%08lX  > ", LireRegistrePC(), instruction);
 	
 		switch (fgetc(input)) {
 		case 'G':
@@ -438,11 +455,8 @@ void Traitement(Uint32 entrypoint)
 				Debogueur();
 				clearterm();
 			}
-			fprintf(stderr, "Kapoue1\n");
 			instruction = LireInstruction();
-			fprintf(stderr, "Kapoue2\n");
 			IncrementeCompteurOrdinal();
-			fprintf(stderr, "Kapoue3\n");
 			DecodeExec(instruction);
 		}
 	}
-- 
cgit v1.2.3