Usung UAE CPU core

11 November 2003, 23:42

Hi,

I'd like to use the UAE CPU core in one of my apps, but it seems so tightly embedded that it will be difficult to separate from UAE itself.

Can anyone give me some ips and/or directions?

Thanks,

Gerald

Toni Wilen · 12 November 2003, 18:48

It isn't that complex. Basically you only need pieces from newcpu.c, cpudefs.c, cpustbl.c and complete cpuemu.c (UAE, all CPU cores in one long file). I recommend WinUAE sources because cpuemu.c is separated to 3 files, cpuemu_0.c (generic 680x0), cpuemu_5.c (68000 + ínstruction prefetch emulation) or cpuemu_6.c (68000 cycle-exact, hard to separate from custom emulation)

Note that you need to run gencpu-project to create most cpu*.c files.

12 November 2003, 20:59

Thanks for the info Toni. So I'll be looking at cpuemu_0.c for an '020 core, and I need to start picking apart the other files to see what I need from them.

I was using Starscream, which simply supplies a few calls and lets me set up a memory map. It sounds like UAE will be a bit more complex than that.

Any hint on what header files are necesary just for the cpu core?

12 November 2003, 21:29

Me again. I'm looking at these files, and I'm not at all sure what to pull out. newcpu.c alone has 16 includes. Most of those have even more includes, and before you know it, I'm back into my mess.

It's obvious that I don't need blitter.h, uae.h, gui.h, and some of the others.

It doesn't look to me like there is a clean separation of the CPU from the rest of UAE.

11 November 2003, 23:42	#1
gbr Posts: n/a	Usung UAE CPU core Hi, I'd like to use the UAE CPU core in one of my apps, but it seems so tightly embedded that it will be difficult to separate from UAE itself. Can anyone give me some ips and/or directions? Thanks, Gerald

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12 November 2003, 18:48	#2
Toni Wilen WinUAE developer Join Date: Aug 2001 Location: Hämeenlinna/Finland Age: 49 Posts: 26,505	It isn't that complex. Basically you only need pieces from newcpu.c, cpudefs.c, cpustbl.c and complete cpuemu.c (UAE, all CPU cores in one long file). I recommend WinUAE sources because cpuemu.c is separated to 3 files, cpuemu_0.c (generic 680x0), cpuemu_5.c (68000 + ínstruction prefetch emulation) or cpuemu_6.c (68000 cycle-exact, hard to separate from custom emulation) Note that you need to run gencpu-project to create most cpu*.c files.

12 November 2003, 20:59	#3
gbr Posts: n/a	Thanks for the info Toni. So I'll be looking at cpuemu_0.c for an '020 core, and I need to start picking apart the other files to see what I need from them. I was using Starscream, which simply supplies a few calls and lets me set up a memory map. It sounds like UAE will be a bit more complex than that. Any hint on what header files are necesary just for the cpu core?

12 November 2003, 21:29	#4
gbr Posts: n/a	Me again. I'm looking at these files, and I'm not at all sure what to pull out. newcpu.c alone has 16 includes. Most of those have even more includes, and before you know it, I'm back into my mess. It's obvious that I don't need blitter.h, uae.h, gui.h, and some of the others. It doesn't look to me like there is a clean separation of the CPU from the rest of UAE.

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