5 Commits
v1.6 ... v1.7

Author SHA1 Message Date
9f77c1ec11 update to v1.7 2024-12-13 16:41:44 +01:00
0ae55ef466 fix label address 2024-12-13 16:38:56 +01:00
ada82368d0 fix bit padding 2024-12-13 16:35:05 +01:00
9f1d80cd9e align hexa output 2024-12-13 16:04:29 +01:00
ade88faa0b fix load and store 2024-12-10 18:06:23 +01:00
4 changed files with 44 additions and 14 deletions

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@@ -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 = 2;
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: {

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@@ -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);
};

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@@ -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++;
}
}

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@@ -3,7 +3,7 @@
#include "IO.h"
#define ASSEMBLEUR_VERSION "1.6"
#define ASSEMBLEUR_VERSION "1.7"
int main(int argc, char** argv) {