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?I???W?i??4?r?b?gCPU??p???ăo?C?i???R?[?h???w?Ԗ{?A?ځB??1??̓I???W?i??CPU?uDL166?v?̃C???X?g???N?V?????Z?b?g?ɂ??ĉ??????B
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FPGA?ւ̎???????Arduino?ɂ??G?~?????[?g?ň????₷??
?@?????A???̃I???W?i??CPU??FPGA?̕]???{?[?h???g???Ď??????Ă??܂????B????ɃL?[?{?[?h??t?????[?U?[???O??????v???O???~???O???ł???悤?ɂ??Ă????̂ł??B?????āAFPGA?]???{?[?h????4?r?b?gDIP?X?C?b?`??4?r?b?gLED??p???ăo?C?i???R?[?h?ɂ??v???O???~???O???????????Ă??܂??B
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?@???????A???̃I???W?i??CPU??p?????v???O???~???O???K?̘A?ڂ??n?߂?ɓ?????A?ȉ??̂悤?ɍl???܂????BFPGA?𓋍ڂ???]???{?[?h?͍????ł????A?J????????????A?g?????Ȃ????肷?邽?߂ɂ͏??Ȃ??炸?w?K?R?X?g??v???܂??B?????ŁA???????Ŏ?舵?????e?ՂȁuArduino?v???g???ăI???W?i??CPU???G?~?????[?g???A?v???O???~???O??????邱?Ƃɂ??܂????B????ł?葽???̓ǎ҂ɂ???CPU??p?????o?C?i???R?[?h?v???O???~???O??̌?????@???ł?????̂ƍl???܂????B
?@????Arduino??DL166?G?~?????[?^?[?̉?H?}??\?[?X?R?[?h?͑S?ăI?[?v???\?[?X?Ƃ??Č??J???܂??̂ŁA?????̎???????Ɏ??삷?邱?Ƃ??\?ł??B?????͖{?A?ڂ𑱂??Ă??????ŏЉ??\??ł??̂ŁA????Ă݂????ǎ҂͊y???݂ɑ҂??ĂĂ????????B?܂??A???????̃G?R?V?X?e???????p???Ă?????????d?q?H??n?R?~???j?e?B?[??T?[?h?x???_?[???o?Ă???Ύs?̂̋@??????邩??????܂???B
?uDL166?v?̎d?l
?@?I???W?i??CPU?ł???uDL166?v??4?r?b?gCPU?ł??B16?X?e?b?v?̃v???O???~???O?X?y?[?X???????܂??B4?r?b?g???̃??W?X?^??8?{????܂??i?\1?j?B?C???X?g???N?V?????i???߁j?Z?b?g??8?r?b?g???ł??B
| sss/ddd | ???W?X?^?? | ?L?? |
|---|---|---|
| 000 | R0 | ?A?L???????[?^ |
| 001 | R1 | ?ėp???W?X?^ |
| 010 | R2 | ?ėp???W?X?^ |
| 011 | R3 | ?ėp???W?X?^ |
| 100 | R4 | ?ėp???W?X?^ |
| 101 | R5 | ???̓|?[?g |
| 110 | R6 | ?o?̓|?[?g |
| 111 | R7 | ?v???O?????J?E???^?iPC?j |
| ?\1?@???W?X?^?i4?r?b?g?j | ||
?@?\2??DL166?̃C???X?g???N?V?????Z?b?g?Ƃ??̓??????????????̂ł??B??ԍ??̗??̃o?C?i????8?r?b?g?ŕ\???Ă???C???X?g???N?V?????Z?b?g??2?i?\???ƂȂ?܂??B???̎??̃j?[???j?b?N?̓A?Z???u??????Ńv???O???~???O????ۂɗp????L???ł??B????2?i?Ō????蕪????₷???\???ɂȂ??Ă??܂??B??ԉE?̗??̋L?ڂ͂??̃C???X?g???N?V?????Z?b?g?̓?????????????̂ł??B
| ?o?C?i?? | ?j?[???j?b?N | ?L?? |
|---|---|---|
| 01-000-sss | ADD (sss) | acc=acc+(sss) |
| 01-001-sss | OR (sss) | acc=acc or (sss) |
| 01-010-sss | AND (sss) | acc = acc & (sss) |
| 01-011-sss | XOR (sss) | acc = acc ^ (sss) |
| 01-100-sss | INC (sss) | (sss)=(sss)+1 |
| 01-101-sss | NOT (sss) | (sss)=!(sss) |
| 01-110-sss | RROTATE (sss) | regs[sss]=regs[sss]>>1+(regs[sss]<<3 & 4'b1000) |
| 01-111-sss | LROTATE (sss) | regs[sss]=regs[sss]<<1+(regs[sss]>>3 & 4'b0001) |
| 10-00-#### | JNC #### | if (C==0) PC=#### else PC=PC+1 |
| 10-01-#### | JMP #### | PC = #### |
| 10-10-#### | MVI #### | acc=#### |
| 00-ddd-sss | MOV (ddd),(sss) | (ddd)=(sss) |
| ?\2?@?C???X?g???N?V?????Z?b?g?i8?r?b?g?j | ||
?@???̕\2??ǂނ??߂ɂ͑????̖???????܂??̂ŁA???y?[?W???疽?߂??Ƃɐ??????܂??B
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