Added code generation for immediate->register and register versions of MOV, XCHG, ADD, SUB, AND, OR, XOR, TEST, CMP, INC and DEC.

src/codegen_ops.h

@@ -0,0 +1,28 @@
+typedef uint32_t (*RecompOpFn)(uint8_t opcode, uint32_t fetchdat, uint32_t op_32, uint32_t op_pc, codeblock_t *block);
+
+extern RecompOpFn recomp_opcodes[512];
+
+#define REG_EAX 0
+#define REG_ECX 1
+#define REG_EDX 2
+#define REG_EBX 3
+#define REG_ESP 4
+#define REG_EBP 5
+#define REG_ESI 6
+#define REG_EDI 7
+#define REG_AX 0
+#define REG_CX 1
+#define REG_DX 2
+#define REG_BX 3
+#define REG_SP 4
+#define REG_BP 5
+#define REG_SI 6
+#define REG_DI 7
+#define REG_AL 0
+#define REG_AH 4
+#define REG_CL 1
+#define REG_CH 5
+#define REG_DL 2
+#define REG_DH 6
+#define REG_BL 3
+#define REG_BH 7