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isr.v
Package: _8259A.zip [view]
Upload User: tzxuweilin
Upload Date: 2022-08-10
Package Size: 747k
Code Size: 1k
Category:
VHDL-FPGA-Verilog
Development Platform:
VHDL
- module isr(rd, set, clr, data, busdata, en);
- input rd;
- input[7:0] set;
- input[7:0] clr;
- output[7:0] data;
- output[7:0] busdata;
- output en;
- wire[7:0] isrreg;
- assign data = isrreg;
- assign busdata = isrreg;
- assign en = rd;
- assign isrreg[0] = clr[0] ? 0 : (set[0] ? 1 : isrreg[0]);
- assign isrreg[1] = clr[1] ? 0 : (set[1] ? 1 : isrreg[1]);
- assign isrreg[2] = clr[2] ? 0 : (set[2] ? 1 : isrreg[2]);
- assign isrreg[3] = clr[3] ? 0 : (set[3] ? 1 : isrreg[3]);
- assign isrreg[4] = clr[4] ? 0 : (set[4] ? 1 : isrreg[4]);
- assign isrreg[5] = clr[5] ? 0 : (set[5] ? 1 : isrreg[5]);
- assign isrreg[6] = clr[6] ? 0 : (set[6] ? 1 : isrreg[6]);
- assign isrreg[7] = clr[7] ? 0 : (set[7] ? 1 : isrreg[7]);
- // FOR /L %i in (0, 1, 7) do (ECHO "assign isrreg[%i] = clr[%i] ? 0 : (set[%i] ? 1 : isrreg[%i]);" >>a.txt)
- endmodule