typedef struct { UINT32 op_mask; UINT32 op_bits; void (*handler)(SHARC_REGS *cpustate); } SHARC_OP; static const SHARC_OP sharc_opcode_table[] = { // |0 0 1| { 0xe000, 0x2000, sharcop_compute_dreg_dm_dreg_pm }, // |0 0 0|0 0 0 0 1| { 0xff00, 0x0100, sharcop_compute }, // |0 1 0|0| { 0xf000, 0x4000, sharcop_compute_ureg_dmpm_premod }, // |0 1 0|1| { 0xf000, 0x5000, sharcop_compute_ureg_dmpm_postmod }, // |0 1 1|0|x x x|0|0| { 0xf180, 0x6000, sharcop_compute_dm_to_dreg_immmod }, // |0 1 1|0|x x x|0|1| { 0xf180, 0x6080, sharcop_compute_dreg_to_dm_immmod }, // |0 1 1|0|x x x|1|0| { 0xf180, 0x6100, sharcop_compute_pm_to_dreg_immmod }, // |0 1 1|0|x x x|1|1| { 0xf180, 0x6180, sharcop_compute_dreg_to_pm_immmod }, // |0 1 1|1| { 0xf000, 0x7000, sharcop_compute_ureg_to_ureg }, // |1 0 0|0| { 0xf000, 0x8000, sharcop_imm_shift_dreg_dmpm }, // |0 0 0|0 0 0 1 0| { 0xff00, 0x0200, sharcop_imm_shift }, // |0 0 0|0 0 1 0 0| { 0xff00, 0x0400, sharcop_compute_modify }, // |0 0 0|0 0 1 1 0|0| { 0xff80, 0x0600, sharcop_direct_jump }, // |0 0 0|0 0 1 1 0|1| { 0xff80, 0x0680, sharcop_direct_call }, // |0 0 0|0 0 1 1 1|0| { 0xff80, 0x0700, sharcop_relative_jump }, // |0 0 0|0 0 1 1 1|1| { 0xff80, 0x0780, sharcop_relative_call }, // |0 0 0|0 1 0 0 0|0| { 0xff80, 0x0800, sharcop_indirect_jump }, // |0 0 0|0 1 0 0 0|1| { 0xff80, 0x0880, sharcop_indirect_call }, // |0 0 0|0 1 0 0 1|0| { 0xff80, 0x0900, sharcop_relative_jump_compute }, // |0 0 0|0 1 0 0 1|1| { 0xff80, 0x0980, sharcop_relative_call_compute }, // |1 1 0| { 0xe000, 0xc000, sharcop_indirect_jump_compute_dreg_dm }, // |1 1 1| { 0xe000, 0xe000, sharcop_relative_jump_compute_dreg_dm }, // |0 0 0|0 1 0 1 0| { 0xff00, 0x0a00, sharcop_rts }, // |0 0 0|0 1 0 1 1| { 0xff00, 0x0b00, sharcop_rti }, // |0 0 0|0 1 1 0 0| { 0xff00, 0x0c00, sharcop_do_until_counter_imm }, // |0 0 0|0 1 1 0 1| { 0xff00, 0x0d00, sharcop_do_until_counter_ureg }, // |0 0 0|0 1 1 1 0| { 0xff00, 0x0e00, sharcop_do_until }, // |0 0 0|1 0 0|0|0| { 0xff00, 0x1000, sharcop_dm_to_ureg_direct }, // |0 0 0|1 0 0|0|1| { 0xff00, 0x1100, sharcop_ureg_to_dm_direct }, // |0 0 0|1 0 0|1|0| { 0xff00, 0x1200, sharcop_pm_to_ureg_direct }, // |0 0 0|1 0 0|1|1| { 0xff00, 0x1300, sharcop_ureg_to_pm_direct }, // |1 0 1|0|x x x|0| { 0xf100, 0xa000, sharcop_dm_to_ureg_indirect }, // |1 0 1|0|x x x|1| { 0xf100, 0xa100, sharcop_ureg_to_dm_indirect }, // |1 0 1|1|x x x|0| { 0xf100, 0xb000, sharcop_pm_to_ureg_indirect }, // |1 0 1|1|x x x|1| { 0xf100, 0xb100, sharcop_ureg_to_pm_indirect }, // |1 0 0|1| { 0xf000, 0x9000, sharcop_imm_to_dmpm }, // |0 0 0|0 1 1 1 1| { 0xff00, 0x0f00, sharcop_imm_to_ureg }, // |0 0 0|1 0 1 0 0| { 0xff00, 0x1400, sharcop_sysreg_bitop }, // |0 0 0|1 0 1 1 0|0| { 0xff80, 0x1600, sharcop_modify }, // |0 0 0|1 0 1 1 0|1| { 0xff80, 0x1680, sharcop_bit_reverse }, // |0 0 0|1 0 1 1 1| { 0xff00, 0x1700, sharcop_push_pop_stacks }, // |0 0 0|0 0 0 0 0|0| { 0xff80, 0x0000, sharcop_nop }, // |0 0 0|0 0 0 0 0|1| { 0xff80, 0x0080, sharcop_idle }, };