Re: What tool debugs a miscalculated area of memory in a game program written in C?

Posted on 2024-04-19, 13:49

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by serialShinobi

in Milliways

in Milliways

Open watcom or GCC (aka djgpp). GCC is probably your more 'modern' of the two. GCC is protected more only though... I do recall some branch which targeted 16bit code, but it's not a very common variant. Open Watcom recently re-emerged after a long retirement. djgpp hasn't seen an update in a long …

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Re: What tool debugs a miscalculated area of memory in a game program written in C?

Posted on 2024-04-18, 16:42

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by serialShinobi

in Milliways

in Milliways

im not cross compiling with clang - only with watcom in this project with clang and clang-tidy in only compile (not link to create an executable or something) to check if my source code contains errors/flaws that decates old compiler just ignore - to get it compile im "dummy" the DOS-only code to …

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Re: What tool debugs a miscalculated area of memory in a game program written in C?

Posted on 2024-04-18, 14:03

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by serialShinobi

in Milliways

in Milliways

clang for example don't like your code To do what you seem to me to be doing, cross compiling, this is going to be a major step up for me. I will definitely work on it. But I really can't understand without starting off a several weeks long journey into the topic of cross compiling for MSDOS …

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Re: What tool debugs a miscalculated area of memory in a game program written in C?

Posted on 2024-04-17, 13:33

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by serialShinobi

in Milliways

in Milliways

Thanks j Marsh for finding that. I was sniffing out some kind of count of bytes problem and there is already an improperly terminated counter in the for loop. But special thanks also for the great ideas from lim and konc. I was way to overwhelmed by this problem. It was a big jumping off point. I …

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What tool debugs a miscalculated area of memory in a game program written in C?

Posted on 2024-04-15, 20:12

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by serialShinobi

in Milliways

in Milliways

Hello I would like to understand how to debug a game program written in C. I am using MSVC 1.5 and for debugging I use CodeView 4.10. I am able to use breakpoints and I will refer to my code. Also I am attaching Tomb3.C, the game I am working on. Source code is from Andre Lamothe's Tricks of the …

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Re: Visual C++ v1.52 (1994) - Code View MS-DOS debugger

Posted on 2024-02-24, 13:28

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by serialShinobi

in Marvin \ Software

in Marvin \ Software

> There needs to be some way to have compiled code first then one can step through source code. Well yes, a CPU can only execute machine code after all, not plain text. Yes. That's why I am surprised people think you can just step through source code instructions. I never thought so. I just got …

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Re: Visual C++ v1.52 (1994) - Code View MS-DOS debugger

Posted on 2024-02-24, 13:02

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by serialShinobi

in Marvin \ Software

in Marvin \ Software

If I remember correctly, these type of debuggers were known as Symbolic Debuggers...you compile without debugging info and you get a slimmer and faster EXE that you can ship. That's very interesting how history is playing out. All this time I really knew very little about debugging. So it's all new …

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Re: Visual C++ v1.52 (1994) - Code View MS-DOS debugger

Posted on 2024-02-23, 22:06

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by serialShinobi

in Marvin \ Software

in Marvin \ Software

> what sort of debugging is this called I've always simply called it "debugging", as opposed to "printf debugging" or "not debugging" > Or do they? How have you been debugging thus far? The only memory I have was using printf. I have never debugged a program as far as I know. I have done …

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Visual C++ v1.52 (1994) - Code View MS-DOS debugger

Posted on 2024-02-23, 18:42

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by serialShinobi

in Marvin \ Software

in Marvin \ Software

Hello. I am definitely new to debugging. I just tried code view in MSVC 1.52 under Win 3.11. I used the MS-DOS application debugger. I was dropped into DOS and given some ANSI based menu where I selected an executable to debug. This debugger runs an executable and shows you it's associated *.c …

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MS-DOS books that discuss loading and displaying an image

Posted on 2024-02-16, 19:13

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by serialShinobi

in DOS

in DOS

Hello. I am currently using source code from Andre Lamothe's Game Programming Gurus which contains libraries in the C programming language for bit blitting and game handling. I am trying to get a PCX image loading C function to work. I need to find books about image processing for MS-DOS to learn …

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Re: Do any IBM PC Clones exist that are in FPGA form.

Posted on 2024-01-06, 15:59

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Did it have vga? Is video output over HDMI? So, it may not work as a replacement for a real IBM XT where the software is not so easily fooled, but you get a XT core where you can do experiments with MFM floppies or experiment with the chipset? Albeit an FPGA core version of the chipset.

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Re: Do any IBM PC Clones exist that are in FPGA form.

Posted on 2024-01-05, 22:22

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

I took a quick look at the ZFx86. It is designed for embedded applications. It is for the industrial and manufacturing settings. I just read about MiSTer. It seems to hit every specification I am asking about. Has XTide capabilities, you can use a bios image (no being stuck with what once was), and …

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Do any IBM PC Clones exist that are in FPGA form.

Posted on 2024-01-05, 20:30

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

A Google search shows a few FPGA projects that seem a little academic or otherwise unfinished. Is there a link to a product that recreates on FPGAs complete systems of an old PC Clone from the 80's and 90's? If so, how much documentation is there about the components of the device that has a …

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Re: How to use wifi without a wireless suplicant

Posted on 2023-07-03, 04:04

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Thanks. Acl and dion b. A module with function(s) needed is what I was trying to conceive of. Not only does this suggestion seem interesting to me I feel resolve to carry it out. So, historically Intel had a hand held PC based on a 386 reference design back in the late 90s. So, having some kind of …

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Re: How to use wifi without a wireless suplicant

Posted on 2023-07-01, 19:04

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Unfortunately it should be portable. The idea is to make a way for a thing once used in the 90s to track inventory, which was portable then, to sync it's data using modern wifi standards. Was also wondering if there are ways to transmit a cryptographic key by radio as in 2 GHz draft g wireless.

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How to use wifi without a wireless suplicant

Posted on 2023-07-01, 15:31

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Hello. I was just thinking about wireless networking and was wondering if there is a way to negotiate a WPA key with an authenticator without a supplicant? Also can a WPA key be transmitted to a WPA authenticator with a software defined radio? Maybe a handheld 386 or a pda could connect to wifi this …

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Re: 486 L2 Cache: Availability of 64Kx8 15 ns SRAM ICs

Posted on 2023-06-28, 23:18

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Ok. The manual I'm reading shows 28 pin 64Kx8. Any idea if this was erroneous? They literally don't think people use more than an addressable range afforded by 256K or 32 MB FPM SIMMs. I know about boards made by manufacturer with fake SRAM. So, this could have been fake specifications that suggest …

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486 L2 Cache: Availability of 64Kx8 15 ns SRAM ICs

Posted on 2023-06-28, 14:36

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by serialShinobi

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

When I search ebay I never seem to find, for any brand, 28 pin 15 ns SRAM to upgrade my motherboard from 256K cache (32Kx8) to 64Kx8/512K cache. Filename PXL_20230228_143028948.jpg File size 1.67 MiB Views 403 views

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Re: Running Windows 98 on newer hardware w/o hypervisor

Posted on 2023-06-15, 00:12

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by serialShinobi

in PC Emulation

in PC Emulation

Yes. I am learning that Pentium 4 CPUs were available with an x86 instruction set which is compatible with Win98. But they all used netburst. Which is not a good fit for i686 based software organization. As in, you know, wasting a much more advanced system on a simple i686 thread. I wanted to say …

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Re: Running Windows 98 on newer hardware w/o hypervisor

Posted on 2023-06-14, 09:59

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by serialShinobi

in PC Emulation

in PC Emulation

Altogether, in over 10 years I haven't used my mother's 1999 IBM aptiva PIII/Win98. But still have been wondering how to rebuild it. Her computer got me through in so many other times in my life that I wanted to take a shot at rebuilding it with a new motherboard and something for an ATX case in the …

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