update version to v1.8

README.md

@@ -25,8 +25,8 @@ operations:
 	SR R1 R2 R3
 	MUL R1 R2 R3
 io:
-	STR R1 R2 R3
-	LD R1 R2 R3
+	STR R1 R2
+	LD R1 R2
 sauts:
 	JMP controle
 	JEQU R1 R2 io
@@ -42,22 +42,22 @@ Produces
 
 ```
 00000100 10100000 00000000 00000001
-00010000 10100110 00000000 00000000
-00100100 10100000 00000000 00100001
-01000000 10100110 00000000 00000000
+00001000 10100110 00000000 00000000
+00010100 10100000 00000000 00100001
+00100000 10100110 00000000 00000000
+00011000 10100110 00000000 00000000
+00101000 10100110 00000000 00000000
 00110000 10100110 00000000 00000000
-01010000 10100110 00000000 00000000
-01100000 10100110 00000000 00000000
-01110000 10100110 00000000 00000000
-01000000 10100110 00000000 00000000
-01010000 10100110 00000000 00000000
-11000000 00000000 00000000 00010000
-11010000 10100000 00000000 00001001
-11100000 10100000 00000000 00001011
-11110000 10100000 00000000 00000001
-11000000 10100000 00000000 00010000
-11010000 00000000 00000000 00001001
-11100000 00000000 00000000 00000000
+00111000 10100110 00000000 00000000
+01000000 10100000 00000000 00000000
+01001000 10100000 00000000 00000000
+11000000 00000000 00000000 00001111
+11001000 10100000 00000000 00001000
+11010000 10100000 00000000 00001010
+11011000 10100000 00000000 00000000
+11100000 10100000 00000000 00001111
+11101000 00000000 00000000 00001000
+11110000 00000000 00000000 00000000
 ```
 
 ## Releases

src/Assembleur.cpp

@@ -51,6 +51,17 @@ static std::map<std::string, Instruction> INSTRUCTION_KEYS = {
 	{"ret", {SautControle, Ret}},
 };
 
+constexpr int LINE_LENGTH = 32;
+constexpr int INSTRUCTION_BITS_COUNT = 2;
+constexpr int OPERATION_BITS_COUNT = 3;
+constexpr int IMMEDIATE_BITS_COUNT = 1;
+constexpr int INSTRUCTION_BLOCK_SIZE = INSTRUCTION_BITS_COUNT + OPERATION_BITS_COUNT + IMMEDIATE_BITS_COUNT;
+constexpr int REGISTRY_BITS_COUNT = 3;
+
+static constexpr int GetOffset(int a_Start, int a_BlockSize) {
+	return LINE_LENGTH - a_Start - a_BlockSize;
+}
+
 std::uint32_t Assembleur::ParseLabel(const std::string& a_Label) {
 	auto it = m_Labels.find(a_Label);
 
@@ -58,41 +69,60 @@ std::uint32_t Assembleur::ParseLabel(const std::string& a_Label) {
 		throw std::invalid_argument("Label " + a_Label + " not found !");
 	}
 
-	return it->second;
+	// the address starts at 0, not 1
+	return it->second - 1;
 }
 
 void Assembleur::AddLabel(const std::string& a_Label, std::uint32_t a_Line) {
 	m_Labels.insert({a_Label, a_Line});
 }
 
+// 2 bits type instruction | 3 bits sous-type opération
 std::uint32_t Assembleur::IToInt(Instruction a_Instruction) {
-	return static_cast<std::uint32_t>(a_Instruction.m_Instruction) << 30 | static_cast<std::uint32_t>(a_Instruction.m_SubInstruction)
-																			   << 28;
+	return static_cast<std::uint32_t>(a_Instruction.m_Instruction) << GetOffset(0, INSTRUCTION_BITS_COUNT) |
+		   static_cast<std::uint32_t>(a_Instruction.m_SubInstruction) << GetOffset(INSTRUCTION_BITS_COUNT, OPERATION_BITS_COUNT);
 }
 
+// 5 bits instruction | 1 bit immédiat (non utilisé) | 3 bits R1 | 3 bits R2 | 3 bits R3
 std::uint32_t Assembleur::ParseOperation(Instruction a_Instruction, std::uint32_t a_R1, std::uint32_t a_R2, std::uint32_t a_R3) {
-	return IToInt(a_Instruction) | a_R1 << 23 | a_R2 << 20 | a_R3 << 17;
+	return IToInt(a_Instruction) | 
+		a_R1 << GetOffset(INSTRUCTION_BLOCK_SIZE, REGISTRY_BITS_COUNT) | 
+		a_R2 << GetOffset(INSTRUCTION_BLOCK_SIZE + REGISTRY_BITS_COUNT, REGISTRY_BITS_COUNT) | 
+		a_R3 << GetOffset(INSTRUCTION_BLOCK_SIZE + 2 * REGISTRY_BITS_COUNT, REGISTRY_BITS_COUNT);
 }
 
+// 5 bits instruction | 1 bit immédiat | 3 bits R1 | 3 bits R2 | 20 bits constante
 std::uint32_t Assembleur::ParseOperationImmediate(
 	Instruction a_Instruction, std::uint32_t a_R1, std::uint32_t a_R2, std::uint32_t a_C1) {
-	return IToInt(a_Instruction) | 1 << 26 | a_R1 << 23 | a_R2 << 20 | a_C1;
+	return IToInt(a_Instruction) | 1 << GetOffset(INSTRUCTION_BITS_COUNT + OPERATION_BITS_COUNT, IMMEDIATE_BITS_COUNT) | 
+		a_R1 << GetOffset(INSTRUCTION_BLOCK_SIZE, REGISTRY_BITS_COUNT) | 
+		a_R2 << GetOffset(INSTRUCTION_BLOCK_SIZE + REGISTRY_BITS_COUNT, REGISTRY_BITS_COUNT) | 
+		a_C1;
 }
 
+// 5 bits instruction | 1 bit immédiat (non utilisé) | 26 bits adresse du label
 std::uint32_t Assembleur::ParseJump(Instruction a_Instruction, const std::string& a_Label) {
 	return IToInt(a_Instruction) | ParseLabel(a_Label) & 0x3FFFFFF;
 }
 
+// 5 bits instruction | 1 bit immédiat (non utilisé) | 3 bits R1 | 3 bits R2 | 20 bits adresse du label
 std::uint32_t Assembleur::ParseJump(Instruction a_Instruction, std::uint8_t a_R1, std::uint8_t a_R2, const std::string& a_Label) {
-	return IToInt(a_Instruction) | a_R1 << 23 | a_R2 << 20 | ParseLabel(a_Label) & 0xFFFFF;
+	return IToInt(a_Instruction) | 
+		a_R1 << GetOffset(INSTRUCTION_BLOCK_SIZE, REGISTRY_BITS_COUNT) | 
+		a_R2 << GetOffset(INSTRUCTION_BLOCK_SIZE + REGISTRY_BITS_COUNT, REGISTRY_BITS_COUNT) |
+		ParseLabel(a_Label) & 0xFFFFF;
 }
 
+// 5 bits instruction | 1 bit immédiat (non utilisé)
 std::uint32_t Assembleur::ParseJump(Instruction a_Instruction) {
 	return IToInt(a_Instruction);
 }
 
-std::uint32_t Assembleur::ParseIO(Instruction a_Instruction, std::uint32_t a_R1, std::uint32_t a_R2, std::uint32_t a_R3) {
-	return IToInt(a_Instruction) | a_R1 << 23 | a_R2 << 20 | a_R3 << 17;
+// 5 bits instruction | 1 bit immédiat (non utilisé) | 3 bits R1 | 3 bits R2
+std::uint32_t Assembleur::ParseIO(Instruction a_Instruction, std::uint32_t a_R1, std::uint32_t a_R2) {
+	return IToInt(a_Instruction) | 
+		a_R1 << GetOffset(INSTRUCTION_BLOCK_SIZE, REGISTRY_BITS_COUNT) | 
+		a_R2 << GetOffset(INSTRUCTION_BLOCK_SIZE + REGISTRY_BITS_COUNT, REGISTRY_BITS_COUNT);
 }
 
 
@@ -146,9 +176,9 @@ std::uint32_t Assembleur::ParseInstruction(const std::string& a_Str, std::uint32
 			}
 
 			case Memoire: {
-				std::string R1, R2, R3;
-				ss >> R1 >> R2 >> R3;
-				return ParseIO(instruction, ParseRegistry(R1), ParseRegistry(R2), ParseRegistry(R3));
+				std::string R1, R2;
+				ss >> R1 >> R2;
+				return ParseIO(instruction, ParseRegistry(R1), ParseRegistry(R2));
 			}
 
 			case SautControle: {

src/Assembleur.h

@@ -39,5 +39,5 @@ class Assembleur {
 
 	std::uint32_t ParseJump(Instruction a_Instruction);
 
-	std::uint32_t ParseIO(Instruction a_Instruction, std::uint32_t a_R1, std::uint32_t a_R2, std::uint32_t a_R3);
+	std::uint32_t ParseIO(Instruction a_Instruction, std::uint32_t a_R1, std::uint32_t a_R2);
 };

src/IO.cpp

@@ -100,7 +100,7 @@ void OutputFileLogisim(BinaryData& a_Data, const std::string& fileName, const st
 		if (cursor % 8 == 0) {
 			file << std::setfill('0') << std::setw(4) << std::hex << cursor << std::dec << ": ";
 		}
-		file << std::hex << number << std::dec << (((cursor + 1) % 8 == 0) ? "\n" : " ");
+		file << std::setfill('0') << std::setw(8) << std::hex << number << std::dec << (((cursor + 1) % 8 == 0) ? "\n" : " ");
 		cursor++;
 	}
 }

src/main.cpp

@@ -3,7 +3,7 @@
 
 #include "IO.h"
 
-#define ASSEMBLEUR_VERSION "1.6"
+#define ASSEMBLEUR_VERSION "1.8"
 
 int main(int argc, char** argv) {
 

test.asm

@@ -8,8 +8,8 @@ operations:
 	SR R1 R2 R3
 	MUL R1 R2 R3
 io:
-	STR R1 R2 R3
-	LD R1 R2 R3
+	STR R1 R2
+	LD R1 R2
 sauts:
 	JMP controle
 	JEQU R1 R2 io