WIP: CPU

gb/instructions.go

@@ -0,0 +1,22 @@
+package gb
+
+import (
+	"fmt"
+)
+
+var instructions = map[byte]string{
+	0x00: "NOP",
+	0x01: "FOO",
+}
+
+type Instruction struct {
+}
+
+func InstructionByOpcode(opcode byte) (string, error) {
+	instruction, ok := instructions[opcode]
+	if !ok {
+		return "", fmt.Errorf("Unknown opcode: %02X", opcode)
+	}
+
+	return instruction, nil
+}