jdm:pc9801:textmode
Differences
This shows you the differences between two versions of the page.
| jdm:pc9801:textmode [2021/12/25 15:08] – created asie | jdm:pc9801:textmode [2021/12/25 15:17] (current) – asie | ||
|---|---|---|---|
| Line 17: | Line 17: | ||
| Bits 5-7 will function as effective 8-level grayscale on monochrome displays, with values 0 through 7 respectively providing brighter grayscale levels. | Bits 5-7 will function as effective 8-level grayscale on monochrome displays, with values 0 through 7 respectively providing brighter grayscale levels. | ||
| + | |||
| + | ===== Custom glyphs ===== | ||
| + | |||
| + | The PC-9801 provides a facility to upload a limited amount of custom glyphs for use by the graphics chip. These are provided as 34-byte glyphs, which constitute 2 bytes of header and 32-byte 16x16 character data. TODO | ||
jdm/pc9801/textmode.1640444895.txt.gz · Last modified: 2021/12/25 15:08 by asie