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-rw-r--r--src/emu/cpu/sharc/sharcops.h138
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 },
+};