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Split the 286/386 interpreter away from the 486+ one (the 286/386 interpreter does not use the pccache's, readlookup's, and writelookup's as the emulated CPU's are too slow for them to be required, and also has more accurate FPU timings), also added a LPT status read function for future-proofing.

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OBattler
2023-08-08 19:39:52 +02:00
parent 5f72dc7d56
commit b1c5cbaf47
23 changed files with 3759 additions and 144 deletions
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12
src/cpu/x87_ops.h
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@@ -1408,6 +1408,7 @@ const OpFn OP_TABLE(sf_fpu_da_a32)[256] = {
// clang-format on
};
#ifndef OPS_286_386
const OpFn OP_TABLE(sf_fpu_686_da_a16)[256] = {
// clang-format off
sf_FADDil_a16, sf_FADDil_a16, sf_FADDil_a16, sf_FADDil_a16, sf_FADDil_a16, sf_FADDil_a16, sf_FADDil_a16, sf_FADDil_a16,
@@ -1487,6 +1488,7 @@ const OpFn OP_TABLE(sf_fpu_686_da_a32)[256] = {
ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32,
// clang-format on
};
#endif
const OpFn OP_TABLE(sf_fpu_287_db_a16)[256] = {
// clang-format off
@@ -1648,6 +1650,7 @@ const OpFn OP_TABLE(sf_fpu_db_a32)[256] = {
// clang-format on
};
#ifndef OPS_286_386
const OpFn OP_TABLE(sf_fpu_686_db_a16)[256] = {
// clang-format off
sf_FILDil_a16, sf_FILDil_a16, sf_FILDil_a16, sf_FILDil_a16, sf_FILDil_a16, sf_FILDil_a16, sf_FILDil_a16, sf_FILDil_a16,
@@ -1726,6 +1729,7 @@ const OpFn OP_TABLE(sf_fpu_686_db_a32)[256] = {
ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32,
// clang-format on
};
#endif
const OpFn OP_TABLE(sf_fpu_287_dc_a16)[32] = {
// clang-format off
@@ -2243,6 +2247,7 @@ const OpFn OP_TABLE(sf_fpu_df_a32)[256] = {
// clang-format on
};
#ifndef OPS_286_386
const OpFn OP_TABLE(sf_fpu_686_df_a16)[256] = {
// clang-format off
sf_FILDiw_a16, sf_FILDiw_a16, sf_FILDiw_a16, sf_FILDiw_a16, sf_FILDiw_a16, sf_FILDiw_a16, sf_FILDiw_a16, sf_FILDiw_a16,
@@ -2322,6 +2327,7 @@ const OpFn OP_TABLE(sf_fpu_686_df_a32)[256] = {
ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32,
// clang-format on
};
#endif
const OpFn OP_TABLE(fpu_d8_a16)[32] = {
// clang-format off
@@ -2661,6 +2667,7 @@ const OpFn OP_TABLE(fpu_da_a32)[256] = {
// clang-format on
};
#ifndef OPS_286_386
const OpFn OP_TABLE(fpu_686_da_a16)[256] = {
// clang-format off
opFADDil_a16, opFADDil_a16, opFADDil_a16, opFADDil_a16, opFADDil_a16, opFADDil_a16, opFADDil_a16, opFADDil_a16,
@@ -2740,6 +2747,7 @@ const OpFn OP_TABLE(fpu_686_da_a32)[256] = {
ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32,
// clang-format on
};
#endif
const OpFn OP_TABLE(fpu_287_db_a16)[256] = {
// clang-format off
@@ -2901,6 +2909,7 @@ const OpFn OP_TABLE(fpu_db_a32)[256] = {
// clang-format on
};
#ifndef OPS_286_386
const OpFn OP_TABLE(fpu_686_db_a16)[256] = {
// clang-format off
opFILDil_a16, opFILDil_a16, opFILDil_a16, opFILDil_a16, opFILDil_a16, opFILDil_a16, opFILDil_a16, opFILDil_a16,
@@ -2979,6 +2988,7 @@ const OpFn OP_TABLE(fpu_686_db_a32)[256] = {
ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32,
// clang-format on
};
#endif
const OpFn OP_TABLE(fpu_287_dc_a16)[32] = {
// clang-format off
@@ -3496,6 +3506,7 @@ const OpFn OP_TABLE(fpu_df_a32)[256] = {
// clang-format on
};
#ifndef OPS_286_386
const OpFn OP_TABLE(fpu_686_df_a16)[256] = {
// clang-format off
opFILDiw_a16, opFILDiw_a16, opFILDiw_a16, opFILDiw_a16, opFILDiw_a16, opFILDiw_a16, opFILDiw_a16, opFILDiw_a16,
@@ -3575,6 +3586,7 @@ const OpFn OP_TABLE(fpu_686_df_a32)[256] = {
ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32, ILLEGAL_a32,
// clang-format on
};
#endif
const OpFn OP_TABLE(nofpu_a16)[256] = {
// clang-format off