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https://opencores.org/ocsvn/xgate/xgate/trunk
[/] [xgate/] [trunk/] [rtl/] [verilog/] [xgate_risc.v] - Diff between revs 97 and 98
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| Rev 97 |
Rev 98 |
| Line 222... |
Line 222... |
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assign jump_offset = {{6{op_code[8]}}, op_code[8:0], 1'b0};
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assign jump_offset = {{6{op_code[8]}}, op_code[8:0], 1'b0};
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assign bra_offset = {{5{op_code[9]}}, op_code[9:0], 1'b0};
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assign bra_offset = {{5{op_code[9]}}, op_code[9:0], 1'b0};
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assign pc_overflow = pc_carry & !pc_incr_mux[15];
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assign pc_overflow = pc_carry & !pc_incr_mux[15];
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assign pc_underflow = !pc_carry & pc_incr_mux[15];
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assign pc_underflow = !pc_carry & pc_incr_mux[15];
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assign pc_error = pc_overflow || pc_underflow;
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assign pc_error = (pc_overflow || pc_underflow) & (cpu_state != BOOT_2);
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assign {pc_carry, pc_sum} = program_counter + pc_incr_mux;
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assign {pc_carry, pc_sum} = program_counter + pc_incr_mux;
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assign xgate_address = data_access ? data_address : program_counter;
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assign xgate_address = data_access ? data_address : program_counter;
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