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1.1 root 1: /*
2: * UAE - The Un*x Amiga Emulator
3: *
4: * User configuration options
5: *
1.1.1.5 ! root 6: * Copyright 1995 - 1998 Bernd Schmidt
1.1 root 7: */
8:
9: /*
1.1.1.2 root 10: * Please note: Many things are configurable with command line parameters,
11: * and you can put anything you can pass on the command line into a
12: * configuration file ~/.uaerc. Please read the documentation for more
13: * information.
1.1.1.4 root 14: *
15: * NOTE NOTE NOTE
16: * Whenever you change something in this file, you have to "make clean"
17: * afterwards.
18: * Don't remove the '#' signs. If you want to enable something, move it out
19: * of the C comment block, if you want to disable something, move it inside
20: * the block.
1.1 root 21: */
22:
23: /*
1.1.1.2 root 24: * When these two are enabled, a subset of the ECS features is emulated.
25: * Actually, it's only the chip identification and big blits. This may be
26: * enough to persuade some ECS programs to run.
27: * DON'T enable SuperHires or Productivity modes. They are not emulated,
28: * and will look very messy. NTSC doesn't work either.
1.1.1.5 ! root 29: * OS versions 2.0+ don't like ECS_DENISE at the moment.
1.1.1.2 root 30: #define ECS_DENISE
1.1.1.3 root 31: */
1.1.1.5 ! root 32: #define ECS_AGNUS
1.1.1.3 root 33:
34: /*
35: * When USE_COMPILER is defined, a m68k->i386 instruction compiler will be
36: * used. This is experimental. It has only been tested on a Linux/i386 ELF
37: * machine, although it might work on other i386 Unices.
38: * This is supposed to speed up application programs. It will not work very
39: * well for hardware bangers like games and demos, in fact it will be much
40: * slower. It can also be slower for some applications and/or benchmarks.
41: * It needs a lot of tuning. Please let me know your results with this.
42: * The second define, RELY_ON_LOADSEG_DETECTION, decides how the compiler
43: * tries to detect self-modifying code. If it is not set, the first bytes
44: * of every compiled routine are used as checksum before executing the
45: * routine. If it is set, the UAE filesystem will perform some checks to
46: * detect whether an executable is being loaded. This is less reliable
47: * (it won't work if you don't use the harddisk emulation, so don't try to
48: * use floppies or even the RAM disk), but much faster.
1.1.1.5 ! root 49: *
! 50: * @@@ NOTE: This option is unfortunately broken in this version. Don't
! 51: * try to use it. @@@
! 52: *
1.1.1.3 root 53: #define USE_COMPILER
54: #define RELY_ON_LOADSEG_DETECTION
55: */
56:
1.1.1.4 root 57: /*
58: * Set USER_PROGRAMS_BEHAVE to 1 or 2 to indicate that you are only running
59: * non-hardware banging programs which leave all the dirty work to the
1.1.1.5 ! root 60: * Kickstart. This affects the compiler. Any program that is _not_ in the ROM
1.1.1.4 root 61: * (i.e. everything but the Kickstart) will use faster memory access
62: * functions.
63: * There is of course the problem that the Amiga doesn't really distinguish
64: * between user programs and the kernel. Not all of the OS is in the ROM,
65: * e.g. the parallel.device is on the disk and gets loaded into RAM at least
66: * with Kickstart 1.3 (don't know about newer Kickstarts). So you probably
67: * can't print, and some other stuff may also fail to work.
68: * A useless option, really, given the way lots of Amiga software is written.
69: #define USER_PROGRAMS_BEHAVE 0
70: */
71:
1.1.1.2 root 72: /***************************************************************************
1.1.1.5 ! root 73: * Operating system/machine specific options
! 74: * Configure these for your CPU. The default settings should work on any
! 75: * machine, but may not give optimal performance everywhere.
! 76: * (These don't do very much yet, except HAVE_RDTSC
1.1 root 77: */
78:
79: /*
1.1.1.5 ! root 80: * Define this on PPro's, K6's and maybe other non-x86 CPUs.
! 81: #define MULTIPLICATION_PROFITABLE
1.1 root 82: */
83:
84: /*
1.1.1.5 ! root 85: * PPros don't like branches. With this option, UAE tries to avoid them in some
! 86: * places.
! 87: #define BRANCHES_ARE_EXPENSIVE
1.1.1.4 root 88: */
89:
90: /*
1.1.1.5 ! root 91: * Define this option if you have a very fast Pentium or another x86 CPU that
! 92: * understands the RDTSC instruction. When enabled, it will make sure that the
! 93: * frame rate does not exceed 50Hz. This will give slightly more speed to the
! 94: * CPU emulation. On slow systems (say, worse than a P166), you don't have to
! 95: * worry about the frame rate being too high anyway unless you run only boring
! 96: * WB-based stuff.
! 97: #define HAVE_RDTSC
1.1 root 98: */
99:
100: /***************************************************************************
101: * Support for broken software. These options are set to default values
102: * that are reasonable for most uses. You should not need to change these.
103: */
104:
105: /*
106: * If you want to see the "Hardwired" demo, you need to define this.
107: * Otherwise, it will say "This demo don't like Axel" - apparently, Axel
108: * has a 68040.
1.1.1.4 root 109: * NEWS FLASH! My sources tell me that "Axel" stands for accelerator. Not
110: * that it really matters...
1.1 root 111: #define WANT_SLOW_MULTIPLY
112: */
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