From: "Campbell, Rolf [SKY:1U32:EXCH]" Newsgroups: comp.os.msdos.djgpp Subject: Re: C++ "Hello World" compiling problem Date: Mon, 28 Jun 1999 10:26:30 -0400 Organization: Nortel Networks Lines: 35 Message-ID: <37778615.297BDB25@americasm01.nt.com> References: <3768D090 DOT 9BA88A6F AT unn DOT ac DOT uk> <7l0luo$s0t$1 AT news3 DOT Belgium DOT EU DOT net> NNTP-Posting-Host: bmerhc00.ca.nortel.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 4.6 [en] (X11; I; HP-UX B.10.20 9000/712) X-Accept-Language: en To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com DaXy_II wrote: > > int main() { > > cout << "Hello World." << endl; > > return 0; > This will be a huge exe! Try this > > int cur; > > void putc(char* vid, char ch) { > vid[cur++] = > > int main() { > char* video; > cur = 0 // You could get the cursor pos ... > > video = (char*)0xB8000; // 0xB0000 for monocrome monitors. > while (*message++) { > putc(video,*message); > } > } > > And link without the stdlib, almost as small as an asm Well, assuming you had typed the function correctly ( with "ch;}" at the end). You would get a segment violation and you would skip the first character of your message. And on top of all of that, you forgot about the character attribute byte in text memory. So you would miss every 2nd character, and they would appear in strange colors. -- -Rolf Campbell (39)3-6318