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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: 29 Nov 2005 17:35:07 -0800
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Thanks, i will try it.
I have another question now.

the address of r_buffer as below, right
r_buffer: PM address = (ULONG)r_buffer
r_buffer: RM address = (ULONG)r_buffer+__djgpp_conventional_base;

// only if r_buffer points to data within this program...
does this mean that i just declare ****BYTE *r_buffer**** or **** BYTE
r_buffer[0x10000]**** in my program
and if i lock a region in XMS, i should use
    PRD_EDDS.Offset = r.x.dx;    // RM offset e.g., Lock XMS r.x.dx
segment
    PRD_EDDS.Segment = r.x.bx;   // RM segment e.g., Lock XMS r.x.bx
offset
if i need data, i use dosmemget/put to the XMS region, right.

#if 0
// only if r_buffer points to data within this program...
    PRD_EDDS.Offset = (ULONG)r_buffer+__djgpp_conventional_base;
    PRD_EDDS.Segment = 0;
#else
// only if r_buffer points to RM data outside this program, like XMS...

    PRD_EDDS.Offset = r.x.dx;    // RM offset e.g., Lock XMS r.x.dx
segment
    PRD_EDDS.Segment = r.x.bx;   // RM segment e.g., Lock XMS r.x.bx
offset 
#endif