From the help files:
SCREEN 7: 320 x 200 graphics
40 x 25 text format, character box size 8 x 8
32K page size, [red]page ranges are 0-1 (64K), 0-3 (128K), or 0-7 (256K)[/red]
Assignment of 16 colors to any of 16 attributes
SCREEN 12
640 x 480 graphics
80 x 30 or 80 x 60 text format, character box size of 8 x 16 or 8 x 8
Assignment of up to 256K colors to 16 attributes
VGA required
Please note, there are no 'page's listed for Screen 12.
So:
1. you'll have to use Get/Put
--or--
2. stay with Screen 7
--MiggyD
PS. The above is from QB 4.5 and I also checked QB 7.1 and it stated the same thing.