ppcd Code

--- a
+++ b/ppcd.h
@@ -0,0 +1,33 @@
+// See some documentation in CPP file.
+
+#pragma once
+
+// Instruction class
+#define PPC_DISA_OTHER      0x0000  // No additional information
+#define PPC_DISA_64         0x0001  // 64-bit architecture only
+#define PPC_DISA_INTEGER    0x0002  // Integer-type instruction
+#define PPC_DISA_BRANCH     0x0004  // Branch instruction
+#define PPC_DISA_LDST       0x0008  // Load-store instruction
+#define PPC_DISA_STRING     0x0010  // Load-store string/multiple
+#define PPC_DISA_FPU        0x0020  // Floating-point instruction
+#define PPC_DISA_OEA        0x0040  // Supervisor level
+#define PPC_DISA_OPTIONAL   0x0200  // Optional
+#define PPC_DISA_BRIDGE     0x0400  // Optional 64-bit bridge
+#define PPC_DISA_SPECIFIC   0x0800  // Implementation-specific
+#define PPC_DISA_ILLEGAL    0x1000  // Illegal
+#define PPC_DISA_SIMPLIFIED 0x8000  // Simplified mnemonic is used
+
+typedef struct PPCD_CB
+{
+    u64     pc;                     // Program counter (input)
+    u32     instr;                  // Instruction (input)
+    char    mnemonic[16];           // Instruction mnemonic.
+    char    operands[64];           // Instruction operands.
+    u32     immed;                  // Immediate value (displacement for load/store, immediate operand for arithm./logic).
+    int     r[4];                   // Index value for operand registers and immediates.
+    u64     target;                 // Target address for branch instructions / Mask for RLWINM-like instructions
+    int     iclass;                 // One or combination of PPC_DISA_* flags.
+} PPCD_CB;
+
+void    PPCDisasm(PPCD_CB *disa);
+char*   PPCDisasmSimple(u64 pc, u32 instr);