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50g stack font
07-24-2019, 04:04 AM
Post: #9
RE: 50g stack font
(07-23-2019 05:52 PM)grsbanks Wrote:  but how do you set the contrast programmatically? By storing a value in a specific nibble?

Yes, though the value actually takes up 5 bits instead of 4 (the allowable values are 0-31). The low-order 4 bits of the contrast value are stored at location 00101h and the high-order bit of the contrast value is stored in the low-order bit of address 00102h. The high-order 3 bits of address 00102h should be left alone, as they are dedicated to display status and shouldn't be changed.
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Messages In This Thread
50g stack font - grsbanks - 07-20-2019, 11:16 AM
RE: 50g stack font - Joe Horn - 07-20-2019, 12:00 PM
RE: 50g stack font - grsbanks - 07-20-2019, 01:29 PM
RE: 50g stack font - DavidM - 07-20-2019, 01:40 PM
RE: 50g stack font - grsbanks - 07-23-2019, 10:20 AM
RE: 50g stack font - DavidM - 07-23-2019, 01:33 PM
RE: 50g stack font - grsbanks - 07-23-2019, 05:52 PM
RE: 50g stack font - DavidM - 07-24-2019 04:04 AM
RE: 50g stack font - rprosperi - 07-24-2019, 12:48 PM
RE: 50g stack font - DavidM - 07-24-2019, 02:30 PM
RE: 50g stack font - rprosperi - 07-24-2019, 04:36 PM
RE: 50g stack font - franz.b - 07-23-2019, 06:09 AM
RE: 50g stack font - grsbanks - 07-24-2019, 04:51 AM



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