>>The
>>specification of this routine says that the slot may be specified in the 8
>>order bits of the iy register... why the iy register has been loaded with
>>the content of the addres 0faf7??
>
>0FF7 is MSX2 system variable (EXBRSA) containing the MSX2 subrom slot id.
The MSX2 Technical Handbook sais:
AVCSAV (FAF7H, 1)
contents: reserves AV control port
EXBRSA (FAF8H, 1)
contents: SUB-ROM slot address
Then, the EXBRSA is the FAF8, not FAF7. There is an error in the assembler
listing, or in my version of the Technical Handbook?
>>* Is the 085h the routine to draw a line? It isn't specified in the
>>Technical Handbook.
>
>Yes, it is !
Where can I find the specification of this routines? In the MSX2 Technical
Handbook I have, the NVBXLN (draw a box) routine is specified, but the line
routine isn't.
Thanks!
+------------------------------------------------+
| Toni Burguera Burguera |
+------------------------------------------------+
| E-mail : [EMAIL PROTECTED] |
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| 9D - La Novena Dimensio |
| http://www.geocities.com/Area51/Dimension/9812 |
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