2014-01-08 15:35:30 +00:00
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2014-01-02 12:01:07 +00:00
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#Busse
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#
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#- BUS_A (Ad)
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#- BUS_B
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#- BUS_C
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#
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#- EDB (Externer Datenbus)
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#- EAB (Externer Adressbus)
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#
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#Register
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#
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#- I (Schleifenzähler)
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#
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#- ADR (Adressregister)
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#- DIN (Data In)
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#- DO (Data out)
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#
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#Rechenwerke
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#
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#ALU -> ALU_A, ALU_B
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#DIV -> DIV_A, DIV_B
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|--+-------------------|
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| | NA |
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| | X-X |
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| | BC: |
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| | -> Load=0: IDLE |
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| | -> Load=1: LD_N_1 |
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| | Idle |
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|--+-------------------|
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|-------------------+-----------|
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2014-01-10 12:23:06 +00:00
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| 0 -> BUS_A -> ADR | DR |
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2014-01-02 12:01:07 +00:00
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| EDB -> DIN | N/A - N/A |
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| | LD_N_2 |
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| | LD_N_1 |
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|-------------------+-----------|
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|-----------------------+--------------|
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2014-01-18 11:00:17 +00:00
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| | NA |
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| DIN -> BUS_B -> ALU_B | ADD - Z: SET |
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| 0 -> BUS_A -> ALU_A | N/A - N/A |
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2014-01-02 12:01:07 +00:00
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| | I_GT_ZERO |
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| | LD_N_2 |
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|-----------------------+--------------|
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2014-01-08 15:35:30 +00:00
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|-----------------------+------------------|
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| ALU_RES -> BUS_A -> I | NA |
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| | N/A - N/A |
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| | BC: |
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| | -> Z = 0: LD_S_1 |
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| | -> Z = 1: IDLE |
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| | I_GT_ZERO |
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|-----------------------+------------------|
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2014-01-02 12:01:07 +00:00
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|-------------------+-----------|
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| I -> BUS_A -> ADR | DR |
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| EDB -> DIN | N/A - N/A |
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| | LD_S_2 |
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| | LD_S_1 |
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|-------------------+-----------|
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|-----------------------+--------------|
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| DIN -> BUS_A -> S | N/A |
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| DIN -> BUS_A -> ALU_A | SUB - S: SET |
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| 1 -> BUS_B -> ALU_B | - Z: SET |
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| | S_GT_ONE |
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| | LD_S_2 |
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|-----------------------+--------------|
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|--+------------------------|
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| | N/A |
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| | N/A |
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| | BC: |
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| | -> S=0 and Z=0: X_1 |
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| | -> S=1 or Z=1: STORE_X |
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| | S_GT_ONE |
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|--+------------------------|
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|-------------------------------+-------|
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| S_{shift 1} -> BUS_A -> DIV_A | N/A |
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| S_{shift 1} -> BUS_A -> X | N/A |
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| S_{shift 1} -> BUS_A -> OLD_X | DIV_2 |
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| S -> BUS_B -> DIV_B | X_1 |
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|-------------------------------+-------|
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|---------------------+-------|
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| X -> BUS_A -> DIV_A | N/A |
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| S -> BUS_B -> DIV_B | N/A |
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| | DIV_2 |
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| | DIV_1 |
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|---------------------+-------|
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|--+-------|
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| | N/A |
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| | N/A |
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| | DIV_3 |
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| | DIV_2 |
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|--+-------|
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|--+-------|
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| | N/A |
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| | N/A |
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| | DIV_4 |
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| | DIV_3 |
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|--+-------|
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|---------------------------------+---------------|
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2015-01-14 09:40:58 +00:00
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| X_{shift 1} -> BUS_A -> ALU_A | N/A |
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2014-01-02 12:01:07 +00:00
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| DIV_{shift 1} -> BUS_B -> ALU_B | ADD - N/A |
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| | OLD_X_LTE_X_1 |
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| | DIV_4 |
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|---------------------------------+---------------|
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2015-01-14 09:39:45 +00:00
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|---------------------------+----------------------|
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| ALU_RES -> BUS_A -> X | N/A |
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| ALU_RES -> BUS_A -> ALU_A | SUB - C: SET, Z: SET |
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| OLD_X -> BUS_B -> ALU_B | OLD_X_LTE_X_2 |
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| | OLD_X_LTE_X_1 | :
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|---------------------------+----------------------|
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|---------------------+------------------------|
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| X -> BUS_A -> OLD_X | N/A |
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| | N/A |
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| | BC: |
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| | -> C=1 or Z=1: STORE_X |
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| | -> C=0: DIV_1 |
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| | OLD_X_LTE_X_2 |
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|---------------------+------------------------|
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2014-01-02 12:01:07 +00:00
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|----------------------------+---------|
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| X (shifted) -> BUS_A -> DO | DW |
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| | N/A |
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| | DEC_I |
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| | STORE_X |
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|----------------------------+---------|
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|---------------------+--------------|
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| I -> BUS_A -> ALU_A | N/A |
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| 1 -> BUS_B -> ALU_B | SUB - Z: SET |
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| | I_GT_ZERO |
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| | DEC_I |
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|---------------------+--------------|
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