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Post by waltermixxx on Jun 25, 2009 17:39:42 GMT -5
I bought a C64 from TPUG in Toronto, and oddly enough when I turn it on, the Text is white, the backround is dark blue, and the boarder is also white... After replacing my Kernal with a Jiffy Dos kernal i thought for sure the screen would default to the usual blue on blue.... Now I like the white on blue. But after starting it up, the text remained white, and the background remained dark blue, and the boarder remained white.... Thrilled yes, but wondering why... all the chips are original CBM proms, (except for the jiffydos kernal i just installed) so, I'm wondering: how is this possible? and more inline with this board.... what do I change on my DTV Hummer so it defaults to White Text, and a Dark Blue Background, with a White boarder...  which values do I change on the kernal...  would love to know... 
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Post by David Murray on Jul 2, 2009 11:52:42 GMT -5
Actually, if you use the Hummer kernal available on my website, it defaults to white text. I set it that way on purpose. All my years of using a C64 I had formed the habbit of hitting CTRL-2 everytime I turned on the machine or reset it because I didn't like trying to read blue-on-blue.
However, the SX-64 defaults to white, if memory serves (although I don't own one) but I don't seem to recall the border being white. Still, it is possible your ROM chip is from an SX-64.
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Post by racob on Jul 2, 2009 12:15:29 GMT -5
In the C64 kernal, we use to change the bytes for these colors (text, backgound,borders and even the startup words and titles) before we burn the Kernal Eprom
However, you are asking one for the Hummer. These memory locations might be different and reflasing the Kernal is always done with CAUTION.
Try peeking and poking the locations if someone knows where they are and shares us these info.
If you want one for the C64, I can dig those up
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Post by waltermixxx on Jul 2, 2009 14:30:44 GMT -5
ok thanks for the replies, that would be helpful... sure I can try those values on the DTV and see what happens and report in... 
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