Hi,
I'm porting a program I did for the Tandy (video mode 320x200 x 16colors) to the PCJr.
Since it uses 32k of video ram, I cannot use b800, since the PCJr only maps 16k (is this correct?).
So, I installed jrconfig.sys with `/v32` and when it boots it says that the video segment is at 0x1800.
Does it mean that I should write my graphics to 1800:0000 (instead of b800:0000). should it work like in the Tandy now ?
Is there a way to know in runtime where the gfx segment is? I noticed if I used `/v64` the segment will be at 0x1000 instead (which kind of makes sense).
Also, I noticed that if I use BIOS call:
mov ah,0x9
int 0x10 ; write char
when in 320x200 x 16 colors mode, I see nothing (regardless of where is the video segment).
Is this the expected behavior? should I change something in jrconfig.sys ?
Is there anything that I'm missing?
Thanks!