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- TECMAR.BGI --- V 1.13
-
- This provides for support for the Tecmar Graphics Master in what
- must be one of the weirdest setups around. There is no way that this
- configuration would have been supported without someone using it
- having the ability to create drivers. This sort of situation
- represents the real flexibilty of a driver system.
-
- This driver supports the Graphics Master in a VERY specific
- configuration. The card is configured to be mapped to the 64K
- segment starting at the paragraph 0xA000 and ONLY that segemnt. It
- uses bank swithing to map the whole 128K into that 64K. This was set
- up so that it could co-exist with an Hercules card. This also
- partially explains its rather peculiar features. It has no text mode
- and only one graphics mode. Because of the hardware on the Gaphics
- Master that mode's colours are unchangeable.
-
- MODES:
- 0 --- 640 x 400 x 16 -- 16 FIXED colours.
-
- LIMITATIONS:
-
- Block operations are slow. They could be speeded up
- considerably by recoding them in assembly language.
-
- Flood fill is unimplemented at present.
-
- Palette setting operations are null functions. The colours on
- the TGM are hardwired and unchangeable.
-
- Error checking & reporting are almost non-existant.
-
- Everything that can be emulated is. This seems to be
- reasonably fast so changing this is not a high priority.
-
- KNOWN BUGS:
-
- Line width is currently ignored. This seems to be taken care
- of by the kernal but should be changed.
-
-