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Andre Wagner
2026-05-15 07:57:17 -05:00
parent c8a6db0e4e
commit 06e5be5c89
2 changed files with 27 additions and 21 deletions
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14
lib/code.c
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@@ -139,19 +139,19 @@ Instruction code_next_instruction(Code const* code, uint32_t function_id, uint32
uint8_t sz = 1;
if (opcode >= OP_8BIT_OPERAND && opcode < OP_16BIT_OPERAND) {
operand = code->bytecode[addr + 1];
operand = (int8_t) code->bytecode[addr + 1];
sz = 2;
} else if (opcode >= OP_16BIT_OPERAND && opcode < OP_32BIT_OPERAND) {
opcode -= 0x20;
operand = (uint16_t) code->bytecode[addr + 1] |
(uint16_t) (code->bytecode[addr + 2] << 8);
operand = (int16_t) ((uint16_t) code->bytecode[addr + 1] |
(uint16_t) (code->bytecode[addr + 2] << 8));
sz = 3;
} else if (opcode >= OP_32BIT_OPERAND) {
opcode -= 0x40;
operand = (uint32_t) code->bytecode[addr + 1] |
(uint32_t) (code->bytecode[addr + 2] << 8) |
(uint32_t) (code->bytecode[addr + 3] << 16) |
(uint32_t) (code->bytecode[addr + 4] << 24);
operand = (int32_t) ((uint32_t) code->bytecode[addr + 1] |
(uint32_t) (code->bytecode[addr + 2] << 8) |
(uint32_t) (code->bytecode[addr + 3] << 16) |
(uint32_t) (code->bytecode[addr + 4] << 24));
sz = 5;
}