hp-saturn/fields.v
2019-02-11 07:03:55 +01:00

53 lines
No EOL
1.1 KiB
Verilog

`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_MEM 14
`define ALU_REG_0 15
`endif