Bitfields for HP Vectra extended control register |
| Bit | Description | ||||||
|---|---|---|---|---|---|---|---|
|
0 |
screen resolution
|
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|
1 |
underline enable (if set, 'blue' of fg color = underline) | ||||||
|
2 |
font
|
||||||
|
3 |
memory disabled for CPU access | ||||||
|
4 |
allow access to full 32K memory instead of wrapping at 16K | ||||||
|
5 |
select second 16K page instead of first | ||||||
|
6, 7 |
unused |