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1.1 root 1: /*
2: * UAE - The Un*x Amiga Emulator
3: *
4: * User configuration options
5: *
1.1.1.2 root 6: * Copyright 1995, 1996 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 root 14: */
15:
16: /*
1.1.1.3 ! root 17: * This variable was introduced because a program could do a Bcc from
! 18: * whithin chip memory to a location whitin expansion memory. With a
! 19: * pointer variable the program counter would point to the wrong location.
! 20: * With this variable unset the program counter is always correct, but
! 21: * programs will run slower (about 4%).
! 22: * Usually, you'll want to have this defined.
! 23: */
! 24: #define USE_POINTER
! 25:
! 26: /*
! 27: * The blitter emulator contains a few optimizations. You can choose one out
! 28: * five methods.
! 29: * 0: Old uae-0.1 style blitter. Slow.
! 30: * 2: This is the most reliable one.
! 31: * 3: This tries to do 32 bit accesses when possible. It will not work on
! 32: * most RISC chips (expect to see bus errors)
! 33: * 4: Like 2, but the blitter finishes instantly. May lead to
! 34: * incompatibilities, since some programs depend on the blitter delay.
! 35: * 5: Like 3, but the blitter finishes instantly.
! 36: * I recommend methods 4 and 5 only for Workbench based applications, although
! 37: * well-written games should have no problems with these.
! 38: */
! 39: #define FAST_BLITTER 2
! 40:
! 41: /*
! 42: * CPU level: 0 = 68000, 1 = 68010, 2 = 68020/68881
! 43: * If configured for 68020, the emulator will be a little slower.
! 44: * Proper 68020 support is new in this version, but it ought to be reasonably
! 45: * stable.
! 46: */
! 47: #define CPU_LEVEL 0
! 48:
! 49: /*
1.1.1.2 root 50: * Define this when you are compiling UAE for the first time. If it works, you
51: * can try to undefine it to get (much) better performance. It does not seem
52: * to work on all machines, though.
1.1 root 53: */
1.1.1.2 root 54: #define DONT_WANT_SHM
1.1 root 55:
56: /*
1.1.1.2 root 57: * If you are running UAE over the network on a remote X server, this can
58: * boost performance quite a bit. It can even boost performance on a
59: * non-networked system.
60: #define LOW_BANDWIDTH
1.1 root 61: */
62:
63: /*
1.1.1.2 root 64: * When these two are enabled, a subset of the ECS features is emulated.
65: * Actually, it's only the chip identification and big blits. This may be
66: * enough to persuade some ECS programs to run.
67: * DON'T enable SuperHires or Productivity modes. They are not emulated,
68: * and will look very messy. NTSC doesn't work either.
1.1 root 69: */
1.1.1.2 root 70: #define ECS_AGNUS
71: #define ECS_DENISE
1.1 root 72:
1.1.1.3 ! root 73: /*
! 74: * If you don't have any sound hardware, or if you don't want to use it, then
! 75: * this option may make the emulator a little faster. I don't really know
! 76: * whether it's worthwhile, so if you have any results with this one, tell
! 77: * me about it.
! 78: #define DONT_WANT_SOUND
! 79: */
! 80:
! 81: /*
! 82: * If you don't care about games, this may make the CPU emulator run faster,
! 83: * but it will take longer to complete one frame. For UltraSparc owners this
! 84: * may be a good way to lower the key repeat rate.
! 85: #define FASTER_CPU
! 86: */
! 87:
! 88: /*
! 89: * When USE_COMPILER is defined, a m68k->i386 instruction compiler will be
! 90: * used. This is experimental. It has only been tested on a Linux/i386 ELF
! 91: * machine, although it might work on other i386 Unices.
! 92: * This is supposed to speed up application programs. It will not work very
! 93: * well for hardware bangers like games and demos, in fact it will be much
! 94: * slower. It can also be slower for some applications and/or benchmarks.
! 95: * It needs a lot of tuning. Please let me know your results with this.
! 96: * The second define, RELY_ON_LOADSEG_DETECTION, decides how the compiler
! 97: * tries to detect self-modifying code. If it is not set, the first bytes
! 98: * of every compiled routine are used as checksum before executing the
! 99: * routine. If it is set, the UAE filesystem will perform some checks to
! 100: * detect whether an executable is being loaded. This is less reliable
! 101: * (it won't work if you don't use the harddisk emulation, so don't try to
! 102: * use floppies or even the RAM disk), but much faster.
! 103: #define USE_COMPILER
! 104: #define RELY_ON_LOADSEG_DETECTION
! 105: */
! 106:
1.1.1.2 root 107: /***************************************************************************
1.1.1.3 ! root 108: * Operating system specific options
! 109: */
! 110:
! 111: /*
! 112: * Define this if you have the AF System and want sound in UAE.
! 113: * You also have to set the right paths in the Makefile.
! 114: #define AF_SOUND
! 115: */
! 116:
! 117: /*
! 118: * Define this if you have a Solaris box with sound hardware
! 119: #define SOLARIS_SOUND
1.1 root 120: */
121:
122: /*
123: * Define if you have installed the Linux sound driver and if you have read
124: * the section about sound in the README.
1.1.1.3 ! root 125: * Enable sound at run-time by passing the -S parameter with a value >= 2.
1.1 root 126: #define LINUX_SOUND
127: */
128:
129: /*
130: * Try defining this if you don't get steady sound output.
131: #define LINUX_SOUND_SLOW_MACHINE
132: */
133:
134: /***************************************************************************
135: * Support for broken software. These options are set to default values
136: * that are reasonable for most uses. You should not need to change these.
137: */
138:
139: /*
140: * Some STUPID programs access a longword at an odd address and expect to
141: * end up at the routine given in the vector for exception 3.
1.1.1.2 root 142: * (For example, Katakis does this). And yes, I know it's legal, but it's dumb
143: * anyway.
1.1 root 144: * If you leave this commented in, memory accesses will be faster,
145: * but some programs may fail for an obscure reason.
146: */
147: #define NO_EXCEPTION_3
148:
149: /*
150: * If you want to see the "Hardwired" demo, you need to define this.
151: * Otherwise, it will say "This demo don't like Axel" - apparently, Axel
152: * has a 68040.
153: #define WANT_SLOW_MULTIPLY
154: */
155:
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