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Rewrote the disc sector poller again for simplified code and more accuracy;

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Floppy formats are now accurately timed and also more accurately implemented;
Applied all mainline PCem commits.
This commit is contained in:
OBattler
2016-08-20 03:40:12 +02:00
parent 24a6ab13fb
commit a924f37f43
51 changed files with 2471 additions and 1302 deletions
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36
src/x87_ops.h
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@@ -111,9 +111,9 @@ static inline double x87_ld80()
int64_t mant64;
int64_t sign;
test.eind.ll = readmeml(easeg,eaaddr);
test.eind.ll |= (uint64_t)readmeml(easeg,eaaddr+4)<<32;
test.begin = readmemw(easeg,eaaddr+8);
test.eind.ll = readmeml(easeg,cpu_state.eaaddr);
test.eind.ll |= (uint64_t)readmeml(easeg,cpu_state.eaaddr+4)<<32;
test.begin = readmemw(easeg,cpu_state.eaaddr+8);
exp64 = (((test.begin&0x7fff) - BIAS80));
blah = ((exp64 >0)?exp64:-exp64)&0x3ff;
@@ -173,9 +173,9 @@ static inline void x87_st80(double d)
test.begin = (((int16_t)sign80)<<15)| (int16_t)exp80final;
test.eind.ll = mant80final;
writememl(easeg,eaaddr,test.eind.ll);
writememl(easeg,eaaddr+4,test.eind.ll>>32);
writememw(easeg,eaaddr+8,test.begin);
writememl(easeg,cpu_state.eaaddr,test.eind.ll);
writememl(easeg,cpu_state.eaaddr+4,test.eind.ll>>32);
writememw(easeg,cpu_state.eaaddr+8,test.begin);
}
static inline void x87_st_fsave(int reg)
@@ -184,9 +184,9 @@ static inline void x87_st_fsave(int reg)
if (tag[reg] & TAG_UINT64)
{
writememl(easeg, eaaddr, ST_i64[reg] & 0xffffffff);
writememl(easeg, eaaddr + 4, ST_i64[reg] >> 32);
writememw(easeg, eaaddr + 8, 0x5555);
writememl(easeg, cpu_state.eaaddr, ST_i64[reg] & 0xffffffff);
writememl(easeg, cpu_state.eaaddr + 4, ST_i64[reg] >> 32);
writememw(easeg, cpu_state.eaaddr + 8, 0x5555);
}
else
x87_st80(ST[reg]);
@@ -198,13 +198,13 @@ static inline void x87_ld_frstor(int reg)
reg = (TOP + reg) & 7;
temp = readmemw(easeg, eaaddr + 8);
temp = readmemw(easeg, cpu_state.eaaddr + 8);
if (temp == 0x5555 && tag[reg] == 2)
{
tag[reg] = TAG_UINT64;
ST_i64[reg] = readmeml(easeg, eaaddr);
ST_i64[reg] |= ((uint64_t)readmeml(easeg, eaaddr + 4) << 32);
ST_i64[reg] = readmeml(easeg, cpu_state.eaaddr);
ST_i64[reg] |= ((uint64_t)readmeml(easeg, cpu_state.eaaddr + 4) << 32);
ST[reg] = (double)ST_i64[reg];
}
else
@@ -213,16 +213,16 @@ static inline void x87_ld_frstor(int reg)
static inline void x87_ldmmx(MMX_REG *r)
{
r->l[0] = readmeml(easeg, eaaddr);
r->l[1] = readmeml(easeg, eaaddr + 4);
r->w[4] = readmemw(easeg, eaaddr + 8);
r->l[0] = readmeml(easeg, cpu_state.eaaddr);
r->l[1] = readmeml(easeg, cpu_state.eaaddr + 4);
r->w[4] = readmemw(easeg, cpu_state.eaaddr + 8);
}
static inline void x87_stmmx(MMX_REG r)
{
writememl(easeg, eaaddr, r.l[0]);
writememl(easeg, eaaddr + 4, r.l[1]);
writememw(easeg, eaaddr + 8, 0xffff);
writememl(easeg, cpu_state.eaaddr, r.l[0]);
writememl(easeg, cpu_state.eaaddr + 4, r.l[1]);
writememw(easeg, cpu_state.eaaddr + 8, 0xffff);
}
static inline uint16_t x87_compare(double a, double b)