Loop structures: Difference between revisions
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(Loop Structures in FeeBASIC) |
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The below code snippet represents a loop that continues until a value greater than 3500 is read. However, it will also end after the 2000th iteration automatically, regardless of whether the condition is ever met. |
The below code snippet represents a loop that continues until a value greater than 3500 is read. However, it will also end after the 2000th iteration automatically, regardless of whether the condition is ever met. |
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<syntaxhighlight lang="68000devpac"> |
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MOVE.W #1999,D1 ;DBxx loop counters need to be pre-decremented to work properly, since they terminate at $FFFF rather than 0 |
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LOOP: |
LOOP: |
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MOVE.W (A0)+,D0 |
MOVE.W (A0)+,D0 |
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CMP.W #3501,D0 ;COMPARE TO #3501 |
CMP.W #3501,D0 ;COMPARE TO #3501 |
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DBCC D1,LOOP ;DECREMENT, BRANCH UNTIL CARRY CLEAR OR D1 = #$FFFF |
DBCC D1,LOOP ;DECREMENT, BRANCH UNTIL CARRY CLEAR OR D1 = #$FFFF |
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</syntaxhighlight> |
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=={{header|AmbientTalk}}== |
=={{header|AmbientTalk}}== |
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