Hello All,
Right now I am involved in developement of a PC BIOS which works fine when all output is sent to the serial port. I am even able to tftp load binaries, including OS binaries and execute them.
My next concern now is to get BIOS messages out to the Video instead of the serial port. I just want the regular text mode 25X80 output and nothing fancy.
I want to know what I need to do to get text frame buffer working at b800:0000 working. Do I absolutely need to call VGA BIOS init to get this working?
Right now with my BIOS, the monitor does not stop blinking its orange light and writes to b800:0 do not produce anything, but when I insert an Award BIOS chip, I get this blinking of monitor for some time and then it suddenly comes alive with a beep and a green light.
I am wondering what does Award BIOS do to achieve this or is it just calling VGA BIOS init?
If someone has a code snippet or a pointer to one or just a broad outline to what needs to be done, I will appreciate it very much.
Best Regards, Prasun Kapoor
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