Difference between revisions of "83Plus:BCALLs:4051"

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(name, see also)
 
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[[Category:83Plus:BCALLs:By Name:Display|LCD_BUSY_QUICK]] [[Category:83Plus:BCALLs:By Name|LCD_BUSY_QUICK]] [[Category:83Plus:BCALLs:By Address|4051 - LCD_BUSY_QUICK]]
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[[Category:83Plus:BCALLs:By Name:Display|LCD_BUSY]] [[Category:83Plus:BCALLs:By Name|LCD_BUSY]] [[Category:83Plus:BCALLs:By Address|4051 - LCD_BUSY]]
 
== Synopsis ==
 
== Synopsis ==
'''Official Name:''' LCD_BUSY_QUICK
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'''Official Name:''' LCD_BUSY
  
 
'''BCALL Address:''' 4051
 
'''BCALL Address:''' 4051
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which is much faster.
 
which is much faster.
 
It polls bit 1 of [[83Plus:Ports:02|Port 2]]. It waits until this bit is set.
 
It polls bit 1 of [[83Plus:Ports:02|Port 2]]. It waits until this bit is set.
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See also ports [[83Plus:Ports:10|10]] and [[83Plus:Ports:11|11]].

Latest revision as of 13:57, 11 May 2005

Synopsis

Official Name: LCD_BUSY

BCALL Address: 4051

Waits for the LCD to be done.

Inputs

  • None

Outputs

  • LCD is ready.

Registers Destroyed

  • None

Comments

This is the same as

call 000Bh

which is much faster. It polls bit 1 of Port 2. It waits until this bit is set.

See also ports 10 and 11.