Mitsubishi Electric Apricot LS Pro, Техническое описание оборудования

Страница: 117 / 142

Memory and I/O Usage
Chapter 4
Chapter 6
Appendix A
Appendix C
Pr
eface
Chapter 4Chapter 5
5/26 LS PRO HARDWARE TECHNICAL REFERENCE
The table below lists the Graphics Controller register extensions accessed at 03CEh
and 03CFh.
Register Index
Offset register 0 9
Offset register 1 A
Graphics controller mode extensions B
Colour key * C
Colour key mask * D
16-bit pixel BG colour (high byte) 10
16-bit pixel FG colour (high byte) 11
BLT width low * 20
BLT width high * 21
BLT height low * 22
BLT height high * 23
BLT destination pitch low * 24
BLT destination pitch high * 25
BLT source pitch low * 26
BLT source pitch high * 27
BLT destination start low * 28
BLT destination start mid * 29
BLT destination start high * 2A
BLT source start low * 2C
BLT source start mid * 2D
BLT source start high * 2E
BLT mode * 30
BLT start/status * 31
BLT raster operation * 32
Transparent colour select low * 34
Transparent colour select high * 35
Source transparent colour mask low * 38
Source transparent colour mask high * 39
* indicates that the register is present in the CL-GD5426, but not the CL-GD5422.
In addition to the registers listed above the CL-GD542X extends the functionality of
several of the standard VGA registers. While operating in standard VGA modes these
extensions are inactive, and the registers comply with the VGA standard.
Note
Revision C of the LS Pro system board is equipped with a CL-GD5410 video controller. This
uses a different set of extension registers. Refer to Appendix B for further information.