obrzut.alex's articles:

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Ethernet ASM Datasheet? 1 34 (7/1/2011 3:02:50 AM) comp.lang.asm.x86 Hi asm.x86; What I'm interested in reading as a .PDF right now is a large networking programmer's toolkit book written in ASM. Sure, I've got MENUET OS source code, but it is not in .PDF format! Basically, I'... catcalls

A 'Thank You' to comp.lang.asm.x86 from a Lita OS Developer 0 33 (6/21/2011 12:59:02 AM) comp.lang.asm.x86 Since I started work on Lita's OS, some 10-11 Months ago, I got help from various sources. Patrick McCarthy supplied me with a floppy boot sector/loader. Even though the sector was copied from an on-line source... catcalls

Multi-tasking in 32-bit Assembler Q 5 28 (6/12/2011 10:14:02 AM) comp.lang.asm.x86 Dear Group, Questions again about an OS I am writing. This time about Multi- tasking. In a nutshell, this is what I do; 1) Jump to 8:0 (Code Selector for Protected Mode) 2) Issue the usual start-up requiremen... catcalls

Protected Mode Memory Map Location 22 32 (5/31/2011 4:41:48 AM) comp.lang.asm.x86 Hello, Strange things afoot in Protected Mode! Get these values; ORG 0x0050 : DS = 0x0000 MOV EDI, 0x1000 Switch to PMode Access Memory map at 0x0000! ORG 0x0900 : DS 0x0000 MOV EDI, 0x2000 Switch to PMod... catcalls

Weird error with floppy image booting Kernel? 34 32 (5/28/2011 11:36:48 AM) comp.lang.asm.x86 [30208 May 28 12:33 kernel.sys] : This is the number of bytes that is _allowed_ with my boot loader. When I 'nop' the kernel to 30209 bytes or higher, the virtual machine resets. Why is this? My Operating Syst... catcalls

How could one recode this to NASM format? 12 45 (5/26/2011 8:45:23 AM) comp.lang.asm.x86 Hi Forum, This might seem like home work! But, I'd like all of us to get together, and re-code this 'Fire' GFX Routine into NASM format. I've made one attempt at it, but all I get is a flashing screen and no ... catcalls

Loop Mistake in The Black Book? 11 36 (5/15/2011 6:05:52 AM) comp.lang.asm.x86 ;BackgroundLoop: ; mov cx, bx ;rep stosw ; add di, si ; mov cx, bx ;rep stosw ; dec di ; jnz BackgroundLoop This is the code that I _have_ to comment out to see any alteration of the screen graphics.... catcalls

So close...InOrder Binary Tree Traversal (again...) 14 36 (3/6/2011 8:58:40 AM) comp.lang.asm.x86 Hi Groupies, Been working on this for weeks. Reaching the end of my tether. Here is the code; ;********************************************* ; SecStage.asm ; - Binary Tree Routines ; ;Last ammended: 27th... catcalls

Regards to xmmSrc/xmmDst in Real Mode? 30 119 (2/7/2011 1:08:27 PM) comp.lang.asm.x86 Hi USENET Groupies, Maybe a stupid question. But it should be relatively easy to answer if that... Can one access the xmm0-7 registers in Real Mode? I've tried to, but assembly seems to stop working o... catcalls

ADD Vs. INC 107 205 (12/13/2010 4:47:44 PM) comp.lang.asm.x86 I have a video for you to watch on YouTube. Basically, I have the following code; mov edx, Message_1 inc edx inc edx inc edx inc edx mov bl, [edx] mov [si], bl xor ebx, ebx mov bx, ... catcalls

obrzut.alex's replies:

Items(11) /2 Next >> Last >|

So close...InOrder Binary Tree Traversal (again...) 14 36 (3/6/2011 8:58:40 AM) comp.lang.asm.x86 Hi Groupies, Been working on this for weeks. Reaching the end of my tether. Here is the code; ;********************************************* ; SecStage.asm ; - Binary Tree Routines ; ;Last ammended: 27th... obrzut.alex (64)

Unsigned 64 bit compare on 32 bit system 6 34 (4/21/2011 3:12:46 AM) comp.lang.asm.x86 Hello! Recently I was going through my source code, making it neater and tweaking it here and there when I came upon this code to compare two 64 bit unsigned integers. It works fine, but I've shaken off som... notavalid (48)

Simple question about RET 4 and the stack 11 29 (4/21/2011 10:30:23 PM) comp.lang.asm.x86 Hi asm-junkies! Been doing some research on Wikipedia about the RET command. Basically, as I understand it, a ret command with a value after it pops an ADDITIONAL 16-bit value from the stack. This is in additi... obrzut.alex1 (3)

JMPs not working in protected mode? 5 35 (5/5/2011 1:48:23 PM) comp.lang.asm.x86 Hi,=20 As some of you might know, I've been experimenting with protected mode under MS-DOS. However, whilst getting into protected mode has been successful, I can't figure out why making JMPs whilst in protect... alex.buell (44)

Loop Mistake in The Black Book? 11 36 (5/15/2011 6:05:52 AM) comp.lang.asm.x86 ;BackgroundLoop: ; mov cx, bx ;rep stosw ; add di, si ; mov cx, bx ;rep stosw ; dec di ; jnz BackgroundLoop This is the code that I _have_ to comment out to see any alteration of the screen graphics.... obrzut.alex (64)

How could one recode this to NASM format? 12 45 (5/26/2011 8:45:23 AM) comp.lang.asm.x86 Hi Forum, This might seem like home work! But, I'd like all of us to get together, and re-code this 'Fire' GFX Routine into NASM format. I've made one attempt at it, but all I get is a flashing screen and no ... obrzut.alex (64)

Weird error with floppy image booting Kernel? 34 32 (5/28/2011 11:36:48 AM) comp.lang.asm.x86 [30208 May 28 12:33 kernel.sys] : This is the number of bytes that is _allowed_ with my boot loader. When I 'nop' the kernel to 30209 bytes or higher, the virtual machine resets. Why is this? My Operating Syst... obrzut.alex (64)

Protected Mode Memory Map Location 22 32 (5/31/2011 4:41:48 AM) comp.lang.asm.x86 Hello, Strange things afoot in Protected Mode! Get these values; ORG 0x0050 : DS = 0x0000 MOV EDI, 0x1000 Switch to PMode Access Memory map at 0x0000! ORG 0x0900 : DS 0x0000 MOV EDI, 0x2000 Switch to PMod... obrzut.alex (64)

Multi-tasking in 32-bit Assembler Q 5 28 (6/12/2011 10:14:02 AM) comp.lang.asm.x86 Dear Group, Questions again about an OS I am writing. This time about Multi- tasking. In a nutshell, this is what I do; 1) Jump to 8:0 (Code Selector for Protected Mode) 2) Issue the usual start-up requiremen... obrzut.alex (64)

Google outage? 4 39 (6/29/2011 11:59:59 PM) comp.lang.asm.x86 Admins, have you been noticing the repeated posts? Google Groups seems to be experiencing a Usenet outage. I guess it's since the 25th or so. Looks like 28th on clax. "Pointer to struct? (TASM)" has 3 post... do_not_have7664 (117)