diff options
Diffstat (limited to 'src/emu/cpu/sharc/sharcops.h')
-rw-r--r-- | src/emu/cpu/sharc/sharcops.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/emu/cpu/sharc/sharcops.h b/src/emu/cpu/sharc/sharcops.h new file mode 100644 index 00000000000..77f1a400074 --- /dev/null +++ b/src/emu/cpu/sharc/sharcops.h @@ -0,0 +1,138 @@ +typedef struct +{ + UINT32 op_mask; + UINT32 op_bits; + void (* handler)(void); +} SHARC_OP; + +static 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 }, +}; |