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Sync with MESS (nw)

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This commit is contained in:
R. Belmont 2012-07-23 03:05:27 +00:00
parent 537b2b0fa1
commit 0f61beb0e4
1 changed files with 53 additions and 0 deletions
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53
src/emu/cpu/m68000/m68kfpu.c
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@ -1271,6 +1271,59 @@ static void fpgen_rm_reg(m68ki_cpu_core *m68k, UINT16 w2)
source = int32_to_floatx80((INT32)10*10);
break;
case 0x35: // 10^4
source = int32_to_floatx80((INT32)1000*10);
break;
case 0x36: // 1.0e8
source = int32_to_floatx80((INT32)10000000*10);
break;
case 0x37: // 1.0e16 - can't get the right precision from INT32 so go "direct" with constants from h/w
source.high = 0x4034;
source.low = U64(0x8e1bc9bf04000000);
break;
case 0x38: // 1.0e32
source.high = 0x4069;
source.low = U64(0x9dc5ada82b70b59e);
break;
case 0x39: // 1.0e64
source.high = 0x40d3;
source.low = U64(0xc2781f49ffcfa6d5);
break;
case 0x3a: // 1.0e128
source.high = 0x41a8;
source.low = U64(0x93ba47c980e98ce0);
break;
case 0x3b: // 1.0e256
source.high = 0x4351;
source.low = U64(0xaa7eebfb9df9de8e);
break;
case 0x3c: // 1.0e512
source.high = 0x46a3;
source.low = U64(0xe319a0aea60e91c7);
break;
case 0x3d: // 1.0e1024
source.high = 0x4d48;
source.low = U64(0xc976758681750c17);
break;
case 0x3e: // 1.0e2048
source.high = 0x5a92;
source.low = U64(0x9e8b3b5dc53d5de5);
break;
case 0x3f: // 1.0e4096
source.high = 0x7525;
source.low = U64(0xc46052028a20979b);
break;
default:
fatalerror("fmove_rm_reg: unknown constant ROM offset %x at %08x\n", w2&0x7f, REG_PC(m68k)-4);
break;