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01/17/02 01:42
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#18810 - RE: 8 bit address/data bus and memory I/
Jon,

You can prove the movx @r0 works by putting a known value on P2 and noticing it is not disturbed by the movx.

Examples of this technique generally involve making an additional xram pointer using r0/r1 with a page address output on P2.

regards,
p

List of 17 messages in thread
TopicAuthorDate
8 bit address/data bus and memory I/O            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/O            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/O            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/O            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/O            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      
RE: 8 bit address/data bus and memory I/            01/01/70 00:00      

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