Cerebrum-0.4 -- CPU
Description
Cerebrum-0.4, PICOlo_1109's CPU
ISA: https://docs.google.com/spreadsheets/d/1y0ApeDLECaKg-eRCr1qtvhsx0OteVB7QY5UVcZzkjQQ/edit?gid=0#gid=0
NOT FINISHED
Related Schematics
8 bit barrel shifter version B
3 ticks, excluding input/output busleft shift, right shift, arithmetic right shift, rotate. version B has shift amount on the same height as data input, making it easier for using it in second operand. blue: data input, inverted, 15ss required purple: shift amount input, normal, 15ss required.keep in mind that doing a right shift by X is the same as doing a left shift by -X. please input the 2s complement if you want right shifts. yellow: output, normal, low output red: - disable left shift, use when only doing right shift- disable right shift, use when only doing left shift- disable sign extend, for use with arithmetic right shift
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