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From: | blk5743 AT yahoo DOT com DOT tw |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: code from BC31(16bits) to DJGPP(32 bits) |
Date: | 27 Nov 2005 22:03:38 -0800 |
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i must use some code with seg:off type because interrupt call should fill these data i can fill them in BC31 well. but i do not sure how can i fill it with DJGPP for example. i check the website and find that i should not change segment's value(DS,ES...) but i must fill ES:DI field. i do not sure how can i fill these filed ************************************************************************************** INT 4B - Virtual DMA Specification - SCATTER/GATHER LOCK REGION AX = 8105h DX = flags (see #03224) ES:DI -> Extended DMA descriptor structure (see #03222,#03223) region size, linear segment, linear offset, and number avail fields set and how could i fill following example. regs.x.di = (WORD)(&PRD_EDDS);for bc31 which PRD_EDDS is a structure and offset32 = _ES << 4 + _BX; for bc31, i could fill like this. but for DJGPP?? ************************************************************************************** could you give me a sample code. Thanks.
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