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intro_example:loops [2020/12/02 01:00] 127.0.0.1 external edit |
intro_example:loops [2022/05/13 09:20] (current) rajit |
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| Complex datapath designs are often designed with array of simpler cells. The following example show how to create array of simple cells and connect them using loop constructs in ACT. | Complex datapath designs are often designed with array of simpler cells. The following example show how to create array of simple cells and connect them using loop constructs in ACT. | ||
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| import " | import " | ||
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| Here are different ways of writing the same loop using another variant of signal connection. | Here are different ways of writing the same loop using another variant of signal connection. | ||
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| (i : 8 : fa[i].a=a[i]; | (i : 8 : fa[i].a=a[i]; | ||
| </ | </ | ||
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| This version makes all the connections to the ports explicitly using the connection syntax. Since it is common to connect a number of ports to the same circuit in close proximity in the ACT file, the following syntax is also supported. | This version makes all the connections to the ports explicitly using the connection syntax. Since it is common to connect a number of ports to the same circuit in close proximity in the ACT file, the following syntax is also supported. | ||
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| (i : 8 : fa[i](.a=a[i], | (i : 8 : fa[i](.a=a[i], | ||
| </ | </ | ||
| An instance of this adder is then created in a separate file as: | An instance of this adder is then created in a separate file as: | ||
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| import “adder8b.act”; | import “adder8b.act”; | ||
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| The example below shows how selection statement is used for conditional execution. | The example below shows how selection statement is used for conditional execution. | ||
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| import " | import " | ||