`ifndef _FIELDS `define _FIELDS `define T_SET 0 `define T_TEST 1 `define T_DIR_OUT 0 `define T_DIR_IN 1 `define T_PTR_0 0 `define T_PTR_1 1 `define T_REG_A 0 `define T_REG_C 1 `define T_FTYPE_FIELD 0 `define T_TTYPE_LEN 1 `define T_TABLE_A 0 `define T_TABLE_B 1 `define T_TABLE_F 2 `define T_TABLE_Z 3 // unused `define T_FIELD_P 0 `define T_FIELD_WP 1 `define T_FIELD_XS 2 `define T_FIELD_X 3 `define T_FIELD_S 4 `define T_FIELD_M 5 `define T_FIELD_B 6 `define T_FIELD_W 7 `define T_FIELD_A 15 `define ALU_OP_ZERO 0 `define ALU_OP_COPY 1 `define ALU_OP_EXCH 2 `define ALU_OP_SHL 3 `define ALU_OP_SHR 4 `define ALU_OP_2CMPL 5 `define ALU_OP_1CMPL 6 `define ALU_OP_INC 8 `define ALU_OP_TEST_EQ 12 `define ALU_OP_TEST_NEQ 13 `define ALU_REG_A 0 `define ALU_REG_B 1 `define ALU_REG_C 2 `define ALU_REG_D 3 `define ALU_REG_D0 4 `define ALU_REG_D1 5 // 6 // 7 `define ALU_REG_R0 8 `define ALU_REG_R1 9 `define ALU_REG_R2 10 `define ALU_REG_R3 11 `define ALU_REG_R4 12 // 13 `define ALU_REG_M 14 `define ALU_REG_0 15 `endif