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10/19/02 00:51
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 		 #31078 - RE: Using an 8051 to drive a CGA card
Guy,

Driving a CGA card is very simple. You will need to build out the 10 bit address. There is no on board BIOS to worry about and the memory maps directly to the screen. In text mode you just write the 1 attribute byte and the character value to memory.

You should find info in old pc programming books.

regards,
p


List of 14 messages in thread
TopicAuthorDate
Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
   RE: Using an 8051 to drive a CGA card            01/01/70 00:00      
      RE: Using an 8051 to drive a CGA card            01/01/70 00:00      

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