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fix jump forward

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This commit is contained in:
Simon Pribylski
2024-10-23 20:05:41 +02:00
parent 47e7a17a74
commit 51f113804a
3 changed files with 27 additions and 11 deletions
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8
src/Assembleur.cpp
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@@ -78,16 +78,16 @@ std::uint32_t Assembleur::ParseOperationImmediate(
}
std::uint32_t Assembleur::ParseJump(Instruction a_Instruction, const std::string& a_Label) {
int jump = a_Instruction.m_Line - ParseLabel(a_Label);
std::int32_t jump = ParseLabel(a_Label) - a_Instruction.m_Line;
if (jump < 0)
jump = jump & 0x7FFFFFF | 0x4000000;
jump = std::abs(jump) & 0x7FFFFFF | 0x4000000;
return IToInt(a_Instruction) | jump;
}
std::uint32_t Assembleur::ParseJump(Instruction a_Instruction, std::uint8_t a_R1, std::uint8_t a_R2, const std::string& a_Label) {
int jump = a_Instruction.m_Line - ParseLabel(a_Label);
std::int32_t jump = ParseLabel(a_Label) - a_Instruction.m_Line;
if (jump < 0)
jump = jump & 0xFFFFF | 100000;
jump = std::abs(jump) & 0xFFFFF | 0x100000;
return IToInt(a_Instruction) | a_R1 << 24 | a_R2 << 21 | jump;
}