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#ifndef _ARM7_THUMB_
#define _ARM7_THUMB_
#define THUMB_INSN_TYPE ((UINT16) 0xf000)
#define THUMB_COND_TYPE ((UINT16) 0x0f00)
#define THUMB_GROUP4_TYPE ((UINT16) 0x0c00)
#define THUMB_GROUP5_TYPE ((UINT16) 0x0e00)
#define THUMB_GROUP5_RM ((UINT16) 0x01c0)
#define THUMB_GROUP5_RN ((UINT16) 0x0038)
#define THUMB_GROUP5_RD ((UINT16) 0x0007)
#define THUMB_ADDSUB_RNIMM ((UINT16) 0x01c0)
#define THUMB_ADDSUB_RS ((UINT16) 0x0038)
#define THUMB_ADDSUB_RD ((UINT16) 0x0007)
#define THUMB_INSN_ADDSUB ((UINT16) 0x0800)
#define THUMB_INSN_CMP ((UINT16) 0x0800)
#define THUMB_INSN_SUB ((UINT16) 0x0800)
#define THUMB_INSN_IMM_RD ((UINT16) 0x0700)
#define THUMB_INSN_IMM_S ((UINT16) 0x0080)
#define THUMB_INSN_IMM ((UINT16) 0x00ff)
#define THUMB_ADDSUB_TYPE ((UINT16) 0x0600)
#define THUMB_HIREG_OP ((UINT16) 0x0300)
#define THUMB_HIREG_H ((UINT16) 0x00c0)
#define THUMB_HIREG_RS ((UINT16) 0x0038)
#define THUMB_HIREG_RD ((UINT16) 0x0007)
#define THUMB_STACKOP_TYPE ((UINT16) 0x0f00)
#define THUMB_STACKOP_L ((UINT16) 0x0800)
#define THUMB_STACKOP_RD ((UINT16) 0x0700)
#define THUMB_ALUOP_TYPE ((UINT16) 0x03c0)
#define THUMB_BLOP_LO ((UINT16) 0x0800)
#define THUMB_BLOP_OFFS ((UINT16) 0x07ff)
#define THUMB_SHIFT_R ((UINT16) 0x0800)
#define THUMB_SHIFT_AMT ((UINT16) 0x07c0)
#define THUMB_HALFOP_L ((UINT16) 0x0800)
#define THUMB_HALFOP_OFFS ((UINT16) 0x07c0)
#define THUMB_BRANCH_OFFS ((UINT16) 0x07ff)
#define THUMB_LSOP_L ((UINT16) 0x0800)
#define THUMB_LSOP_OFFS ((UINT16) 0x07c0)
#define THUMB_MULTLS ((UINT16) 0x0800)
#define THUMB_MULTLS_BASE ((UINT16) 0x0700)
#define THUMB_RELADDR_SP ((UINT16) 0x0800)
#define THUMB_RELADDR_RD ((UINT16) 0x0700)
#define THUMB_INSN_TYPE_SHIFT 12
#define THUMB_COND_TYPE_SHIFT 8
#define THUMB_GROUP4_TYPE_SHIFT 10
#define THUMB_GROUP5_TYPE_SHIFT 9
#define THUMB_ADDSUB_TYPE_SHIFT 9
#define THUMB_INSN_IMM_RD_SHIFT 8
#define THUMB_STACKOP_TYPE_SHIFT 8
#define THUMB_HIREG_OP_SHIFT 8
#define THUMB_STACKOP_RD_SHIFT 8
#define THUMB_MULTLS_BASE_SHIFT 8
#define THUMB_RELADDR_RD_SHIFT 8
#define THUMB_HIREG_H_SHIFT 6
#define THUMB_HIREG_RS_SHIFT 3
#define THUMB_ALUOP_TYPE_SHIFT 6
#define THUMB_SHIFT_AMT_SHIFT 6
#define THUMB_HALFOP_OFFS_SHIFT 6
#define THUMB_LSOP_OFFS_SHIFT 6
#define THUMB_GROUP5_RM_SHIFT 6
#define THUMB_GROUP5_RN_SHIFT 3
#define THUMB_GROUP5_RD_SHIFT 0
#define THUMB_ADDSUB_RNIMM_SHIFT 6
#define THUMB_ADDSUB_RS_SHIFT 3
#define THUMB_ADDSUB_RD_SHIFT 0
#define THUMB_SIGN_BIT ((UINT32)(1<<31))
#define THUMB_SIGN_BITS_DIFFER(a,b) (((a)^(b)) >> 31)
#define N_IS_SET(pc) ((pc) & ARM7_CPSR_N)
#define Z_IS_SET(pc) ((pc) & ARM7_CPSR_Z)
#define C_IS_SET(pc) ((pc) & ARM7_CPSR_C)
#define V_IS_SET(pc) ((pc) & ARM7_CPSR_V)
#define I_IS_SET(pc) ((pc) & ARM7_CPSR_I)
#define F_IS_SET(pc) ((pc) & ARM7_CPSR_F)
#define T_IS_SET(pc) ((pc) & ARM7_CPSR_T)
#define N_IS_CLEAR(pc) (!N_IS_SET(pc))
#define Z_IS_CLEAR(pc) (!Z_IS_SET(pc))
#define C_IS_CLEAR(pc) (!C_IS_SET(pc))
#define V_IS_CLEAR(pc) (!V_IS_SET(pc))
#define I_IS_CLEAR(pc) (!I_IS_SET(pc))
#define F_IS_CLEAR(pc) (!F_IS_SET(pc))
#define T_IS_CLEAR(pc) (!T_IS_SET(pc))
enum
{
COND_EQ = 0, /* Z: equal */
COND_NE, /* ~Z: not equal */
COND_CS, COND_HS = 2, /* C: unsigned higher or same */
COND_CC, COND_LO = 3, /* ~C: unsigned lower */
COND_MI, /* N: negative */
COND_PL, /* ~N: positive or zero */
COND_VS, /* V: overflow */
COND_VC, /* ~V: no overflow */
COND_HI, /* C && ~Z: unsigned higher */
COND_LS, /* ~C || Z: unsigned lower or same */
COND_GE, /* N == V: greater or equal */
COND_LT, /* N != V: less than */
COND_GT, /* ~Z && (N == V): greater than */
COND_LE, /* Z || (N != V): less than or equal */
COND_AL, /* always */
COND_NV /* never */
};
#define GET_CPSR ARM7.Rx [ARM7_CPSR]
#define GET_REGISTER(r) ARM7.Rx[(r)]
#define SET_REGISTER(r, v) ARM7.Rx[(r)] = (v)
#define R15 ARM7.Rx[ARM7_PC]
// public function
int ARM7i_Thumb_Step(void);
#endif
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