| Line 627... |
Line 627... |
ram_rd_sel = `OC8051_RRS_D;
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ram_rd_sel = `OC8051_RRS_D;
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ram_wr_sel = `OC8051_RWS_B;
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ram_wr_sel = `OC8051_RWS_B;
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src_sel1 = `OC8051_ASS_ACC;
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src_sel1 = `OC8051_ASS_ACC;
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src_sel2 = `OC8051_ASS_RAM;
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src_sel2 = `OC8051_ASS_RAM;
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alu_op = `OC8051_ALU_DIV;
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alu_op = `OC8051_ALU_DIV;
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wr = 1'b1;
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wr = 1'b0;
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psw_set = `OC8051_PS_OV;
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psw_set = `OC8051_PS_OV;
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cy_sel = `OC8051_CY_0;
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cy_sel = `OC8051_CY_0;
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pc_wr = `OC8051_PCW_N;
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pc_wr = `OC8051_PCW_N;
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pc_sel = `OC8051_PIS_DC;
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pc_sel = `OC8051_PIS_DC;
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imm_sel = `OC8051_IDS_DC;
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imm_sel = `OC8051_IDS_DC;
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src_sel3 = `OC8051_AS3_DC;
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src_sel3 = `OC8051_AS3_DC;
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comp_sel = `OC8051_CSS_DC;
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comp_sel = `OC8051_CSS_DC;
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rmw = `OC8051_RMW_N; bit_addr = 1'b0;
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rmw = `OC8051_RMW_N; bit_addr = 1'b0;
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wad2 = `OC8051_WAD_Y;
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wad2 = `OC8051_WAD_N;
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rom_addr_sel = `OC8051_RAS_PC;
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rom_addr_sel = `OC8051_RAS_PC;
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ext_addr_sel = `OC8051_EAS_DC;
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ext_addr_sel = `OC8051_EAS_DC;
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end
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end
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`OC8051_MUL : begin
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`OC8051_MUL : begin
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ram_rd_sel = `OC8051_RRS_D;
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ram_rd_sel = `OC8051_RRS_D;
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ram_wr_sel = `OC8051_RWS_B;
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ram_wr_sel = `OC8051_RWS_B;
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src_sel1 = `OC8051_ASS_ACC;
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src_sel1 = `OC8051_ASS_ACC;
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src_sel2 = `OC8051_ASS_RAM;
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src_sel2 = `OC8051_ASS_RAM;
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alu_op = `OC8051_ALU_MUL;
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alu_op = `OC8051_ALU_MUL;
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wr = 1'b1;
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wr = 1'b0;
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psw_set = `OC8051_PS_OV;
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psw_set = `OC8051_PS_OV;
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cy_sel = `OC8051_CY_0;
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cy_sel = `OC8051_CY_0;
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pc_wr = `OC8051_PCW_N;
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pc_wr = `OC8051_PCW_N;
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pc_sel = `OC8051_PIS_DC;
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pc_sel = `OC8051_PIS_DC;
|
imm_sel = `OC8051_IDS_DC;
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imm_sel = `OC8051_IDS_DC;
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src_sel3 = `OC8051_AS3_DC;
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src_sel3 = `OC8051_AS3_DC;
|
comp_sel = `OC8051_CSS_DC;
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comp_sel = `OC8051_CSS_DC;
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rmw = `OC8051_RMW_N; bit_addr = 1'b0;
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rmw = `OC8051_RMW_N; bit_addr = 1'b0;
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wad2 = `OC8051_WAD_Y;
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wad2 = `OC8051_WAD_N;
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rom_addr_sel = `OC8051_RAS_PC;
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rom_addr_sel = `OC8051_RAS_PC;
|
ext_addr_sel = `OC8051_EAS_DC;
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ext_addr_sel = `OC8051_EAS_DC;
|
end
|
end
|
default begin
|
default begin
|
ram_rd_sel = `OC8051_RRS_DC;
|
ram_rd_sel = `OC8051_RRS_DC;
|
| Line 840... |
Line 840... |
ram_rd_sel = `OC8051_RRS_D;
|
ram_rd_sel = `OC8051_RRS_D;
|
ram_wr_sel = `OC8051_RWS_B;
|
ram_wr_sel = `OC8051_RWS_B;
|
src_sel1 = `OC8051_ASS_ACC;
|
src_sel1 = `OC8051_ASS_ACC;
|
src_sel2 = `OC8051_ASS_RAM;
|
src_sel2 = `OC8051_ASS_RAM;
|
alu_op = `OC8051_ALU_DIV;
|
alu_op = `OC8051_ALU_DIV;
|
wr = 1'b1;
|
wr = 1'b0;
|
psw_set = `OC8051_PS_OV;
|
psw_set = `OC8051_PS_OV;
|
cy_sel = `OC8051_CY_0;
|
cy_sel = `OC8051_CY_0;
|
pc_wr = `OC8051_PCW_N;
|
pc_wr = `OC8051_PCW_N;
|
pc_sel = `OC8051_PIS_DC;
|
pc_sel = `OC8051_PIS_DC;
|
imm_sel = `OC8051_IDS_DC;
|
imm_sel = `OC8051_IDS_DC;
|
src_sel3 = `OC8051_AS3_DC;
|
src_sel3 = `OC8051_AS3_DC;
|
comp_sel = `OC8051_CSS_DC;
|
comp_sel = `OC8051_CSS_DC;
|
rmw = `OC8051_RMW_N; bit_addr = 1'b0;
|
rmw = `OC8051_RMW_N; bit_addr = 1'b0;
|
wad2 = `OC8051_WAD_Y;
|
wad2 = `OC8051_WAD_N;
|
rom_addr_sel = `OC8051_RAS_PC;
|
rom_addr_sel = `OC8051_RAS_PC;
|
ext_addr_sel = `OC8051_EAS_DC;
|
ext_addr_sel = `OC8051_EAS_DC;
|
end
|
end
|
`OC8051_MUL : begin
|
`OC8051_MUL : begin
|
ram_rd_sel = `OC8051_RRS_D;
|
ram_rd_sel = `OC8051_RRS_D;
|
ram_wr_sel = `OC8051_RWS_B;
|
ram_wr_sel = `OC8051_RWS_B;
|
src_sel1 = `OC8051_ASS_ACC;
|
src_sel1 = `OC8051_ASS_ACC;
|
src_sel2 = `OC8051_ASS_RAM;
|
src_sel2 = `OC8051_ASS_RAM;
|
alu_op = `OC8051_ALU_MUL;
|
alu_op = `OC8051_ALU_MUL;
|
wr = 1'b1;
|
wr = 1'b0;
|
psw_set = `OC8051_PS_OV;
|
psw_set = `OC8051_PS_OV;
|
cy_sel = `OC8051_CY_0;
|
cy_sel = `OC8051_CY_0;
|
pc_wr = `OC8051_PCW_N;
|
pc_wr = `OC8051_PCW_N;
|
pc_sel = `OC8051_PIS_DC;
|
pc_sel = `OC8051_PIS_DC;
|
imm_sel = `OC8051_IDS_DC;
|
imm_sel = `OC8051_IDS_DC;
|
src_sel3 = `OC8051_AS3_DC;
|
src_sel3 = `OC8051_AS3_DC;
|
comp_sel = `OC8051_CSS_DC;
|
comp_sel = `OC8051_CSS_DC;
|
rmw = `OC8051_RMW_N; bit_addr = 1'b0;
|
rmw = `OC8051_RMW_N; bit_addr = 1'b0;
|
wad2 = `OC8051_WAD_Y;
|
wad2 = `OC8051_WAD_N;
|
rom_addr_sel = `OC8051_RAS_PC;
|
rom_addr_sel = `OC8051_RAS_PC;
|
ext_addr_sel = `OC8051_EAS_DC;
|
ext_addr_sel = `OC8051_EAS_DC;
|
end
|
end
|
default begin
|
default begin
|
ram_rd_sel = `OC8051_RRS_DC;
|
ram_rd_sel = `OC8051_RRS_DC;
|
