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"Table of Contents
\n",
""
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"Voici une liste de programmes à transcrire en langage machine.
\n",
"Vous testerez vos prohrammes en utilisant le simaleur : \n",
"\t\t\t\t\thttp://www.peterhigginson.co.uk/LMC/
\n",
"Remarque importante : le langage macine dépend de la machine. Il existe différentes syntaxes en fonction des processeurs utilisés."
]
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"The AQA Instruction Set.\n",
"LDR Rd, <memory ref>\tLoad the value stored in the memory location specified by <memory ref> into register d.
\n",
"STR Rd, <memory ref>\tStore the value that is in register d into the memory location specified by <memory ref>.
\n",
"ADD Rd, Rn, <operand2>\tAdd the value specified in <operand2> to the value in register n and store the result in register d.
\n",
"SUB Rd, Rn, <operand2>\tSubtract the value specified by <operand2> from the value in register n and store the result in register d.
\n",
"MOV Rd, <operand2>\t\tCopy the value specified by <operand2> into register d.
\n",
"CMP Rn, <operand2>\t\tCompare the value stored in register n with the value specified by <operand2>.
\n",
"B <label>\t\t\t\tAlways branch to the instruction at position <label> in the program.
\n",
"B<condition> <label>\t\tConditionally branch to the instruction at position <label> in the program if the last comparison met the criteria specified by the <condition>. Possible values for <condition> and their meaning are: EQ:Equal to, NE:Not equal to, GT:Greater than, LT:Less than.
\n",
"AND Rd, Rn, <operand2>\tPerform a bitwise logical AND operation between the value in register n and the value specified by <operand2> and store the result in register d.
\n",
"ORR Rd, Rn, <operand2>\tPerform a bitwise logical OR operation between the value in register n and the value specified by <operand2> and store the result in register d.
\n",
"EOR Rd, Rn, <operand2>\tPerform a bitwise logical exclusive or (XOR) operation between the value in register n and the value specified by <operand2> and store the result in register d.
\n",
"MVN Rd, <operand2>\t\tPerform a bitwise logical NOT operation on the value specified by <operand2> and store the result in register d.
\n",
"LSL Rd, Rn, <operand2>\tLogically shift left the value stored in register n by the number of bits specified by <operand2> and store the result in register d.
\n",
"LSR Rd, Rn, <operand2>\tLogically shift right the value stored in register n by the number of bits specified by <operand2> and store the result in register d.
\n",
"HALT Stop the execution of the program.
"
]
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" Exercice 1 : affectation
"
]
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{
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"execution_count": 2,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"7\n"
]
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],
"source": [
"a=3\n",
"b=4\n",
"c=a+b\n",
"print(c)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"votre solution ici : \n",
"\n",
"\n",
"\n",
"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
" Exercice 2 : affectation et lecture d'un nombre
"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"a=int(input())\n",
"b=int(input())\n",
"c=a+b\n",
"print(c)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"votre solution ici : \n",
"\n",
"\n",
"\n",
"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
" Exercice 2 : structure conditionnelle
"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"-3\n",
"3\n"
]
}
],
"source": [
"x=int(input())\n",
"if x>0 :\n",
" print(x)\n",
"else :\n",
" y=-x\n",
" print(y)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"votre solution ici : \n",
"\n",
"\n",
"\n",
"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
" Exercice 3 : répétition WHILE
"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"5\n"
]
}
],
"source": [
"x=1\n",
"while x<5:\n",
" x=x+2\n",
"print(x)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"votre solution ici : \n",
"\n",
"\n",
"\n",
"\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
" Des idées d'exercices
"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Vous pouvez utiliser les algorithmes que vous avez traités dans la section algorithmes (pseudo code).
\n",
"Attention à ne pas vous lancer dans des exercices compliqués."
]
},
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"execution_count": null,
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