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| version 1.14, 2003/12/12 01:04:40 | version 1.15, 2003/12/19 23:33:49 |
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| Line 10 | Line 10 |
| I286CORE i286core; | I286CORE i286core; |
| const UINT8 iflags[256] = { // Z_FLAG, S_FLAG, P_FLAG | const UINT8 iflags[512] = { // Z_FLAG, S_FLAG, P_FLAG |
| 0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00, | 0x44, 0x00, 0x00, 0x04, 0x00, 0x04, 0x04, 0x00, |
| 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, | 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, |
| 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, | 0x00, 0x04, 0x04, 0x00, 0x04, 0x00, 0x00, 0x04, |
| Line 42 const UINT8 iflags[256] = { // Z_FLA | Line 42 const UINT8 iflags[256] = { // Z_FLA |
| 0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84, | 0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84, |
| 0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80, | 0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80, |
| 0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80, | 0x84, 0x80, 0x80, 0x84, 0x80, 0x84, 0x84, 0x80, |
| 0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84}; | 0x80, 0x84, 0x84, 0x80, 0x84, 0x80, 0x80, 0x84, |
| 0x45, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x01, 0x05, 0x05, 0x01, 0x05, 0x01, 0x01, 0x05, | |
| 0x05, 0x01, 0x01, 0x05, 0x01, 0x05, 0x05, 0x01, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x85, 0x81, 0x81, 0x85, 0x81, 0x85, 0x85, 0x81, | |
| 0x81, 0x85, 0x85, 0x81, 0x85, 0x81, 0x81, 0x85}; | |
| // ---- | // ---- |
| UINT8 _szpcflag8[0x200]; | |
| #if !defined(MEMOPTIMIZE) | #if !defined(MEMOPTIMIZE) |
| UINT8 _szpflag16[0x10000]; | UINT8 _szpflag16[0x10000]; |
| #endif | #endif |
| Line 68 void i286c_initialize(void) { | Line 98 void i286c_initialize(void) { |
| UINT bit; | UINT bit; |
| REG8 f; | REG8 f; |
| for (i=0; i<0x100; i++) { | |
| f = P_FLAG; | |
| for (bit=0x80; bit; bit>>=1) { | |
| if (i & bit) { | |
| f ^= P_FLAG; | |
| } | |
| } | |
| if (!(i & 0xff)) { | |
| f |= Z_FLAG; | |
| } | |
| if (i & 0x80) { | |
| f |= S_FLAG; | |
| } | |
| _szpcflag8[i+0x000] = f; | |
| _szpcflag8[i+0x100] = f | C_FLAG; | |
| } | |
| #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) | #if !defined(MEMOPTIMIZE) || (MEMOPTIMIZE < 2) |
| for (i=0; i<0x100; i++) { | for (i=0; i<0x100; i++) { |
| int pos; | int pos; |
| Line 236 BYTE BYTESZPF(UINT r) { | Line 249 BYTE BYTESZPF(UINT r) { |
| if (r & (~0xff)) { | if (r & (~0xff)) { |
| TRACEOUT(("BYTESZPF bound error: %x", r)); | TRACEOUT(("BYTESZPF bound error: %x", r)); |
| } | } |
| return(_szpcflag8[r & 0xff]); | return(iflags[r & 0xff]); |
| } | } |
| BYTE BYTESZPCF(UINT r) { | BYTE BYTESZPCF(UINT r) { |
| Line 244 BYTE BYTESZPCF(UINT r) { | Line 257 BYTE BYTESZPCF(UINT r) { |
| if (r & (~0x1ff)) { | if (r & (~0x1ff)) { |
| TRACEOUT(("BYTESZPCF bound error: %x", r)); | TRACEOUT(("BYTESZPCF bound error: %x", r)); |
| } | } |
| return(_szpcflag8[r & 0x1ff]); | return(iflags[r & 0x1ff]); |
| } | } |
| BYTE WORDSZPF(UINT32 r) { | BYTE WORDSZPF(UINT32 r) { |
| Line 256 BYTE WORDSZPF(UINT32 r) { | Line 269 BYTE WORDSZPF(UINT32 r) { |
| TRACEOUT(("WORDSZPF bound error: %x", r)); | TRACEOUT(("WORDSZPF bound error: %x", r)); |
| } | } |
| f1 = _szpflag16[r & 0xffff]; | f1 = _szpflag16[r & 0xffff]; |
| f2 = _szpcflag8[r & 0xff] & P_FLAG; | f2 = iflags[r & 0xff] & P_FLAG; |
| f2 += (r)?0:Z_FLAG; | f2 += (r)?0:Z_FLAG; |
| f2 += (r >> 8) & S_FLAG; | f2 += (r >> 8) & S_FLAG; |
| if (f1 != f2) { | if (f1 != f2) { |
| Line 276 BYTE WORDSZPCF(UINT32 r) { | Line 289 BYTE WORDSZPCF(UINT32 r) { |
| f1 = (r >> 16) & 1; | f1 = (r >> 16) & 1; |
| f1 += _szpflag16[LOW16(r)]; | f1 += _szpflag16[LOW16(r)]; |
| f2 = _szpcflag8[r & 0xff] & P_FLAG; | f2 = iflags[r & 0xff] & P_FLAG; |
| f2 += (LOW16(r))?0:Z_FLAG; | f2 += (LOW16(r))?0:Z_FLAG; |
| f2 += (r >> 8) & S_FLAG; | f2 += (r >> 8) & S_FLAG; |
| f2 += (r >> 16) & 1; | f2 += (r >> 16) & 1; |