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Date: | Sat, 8 Feb 2003 11:37:36 -0500 |
Message-Id: | <200302081637.h18Gbax21760@envy.delorie.com> |
X-Authentication-Warning: | envy.delorie.com: dj set sender to dj AT delorie DOT com using -f |
From: | DJ Delorie <dj AT delorie DOT com> |
To: | djgpp AT delorie DOT com |
In-reply-to: | <b23b7e$bjk$1@wildfire.prairienet.org> |
(sjmccaug AT bluestem DOT prairienet DOT org) | |
Subject: | Re: Generate real-mode 386 DOS executables? |
References: | <BQ2S9.280216$a8 DOT 123208 AT news4 DOT srv DOT hcvlny DOT cv DOT net> <3pii1vkro878ujd0dlsa95mqgudtp86lvs AT 4ax DOT com> <b23b7e$bjk$1 AT wildfire DOT prairienet DOT org> |
Reply-To: | djgpp AT delorie DOT com |
Errors-To: | nobody AT delorie DOT com |
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> The question remains: is DJGPP really for MS-DOS? If so, then I > should be able to make 16-bit INT 21h DOS function calls. If I > cannot make such calls, it is really not DOS-compliant. So which is > it? DJGPP programs only run on DOS-based systems. They are DOS programs. However, DJGPP's purpose is to build a layer between DOS and your application such that your application is itself a 32-bit flat model program. You can make 16-bit dos function calls directly if you wish, but you must then take responsibility for moving any data to/from memory that DOS has access to. DJGPP normally does that for you if you let it.
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