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cpu/m68000: Fix fmovem reads for mode=2 (#12510)

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- Commit 6957c46998 changed the write part, but missed to convert
the read part. This fixes booting HP-UX 9 on hp9k_3xx.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
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Sven Schnelle 2024-06-25 20:44:33 +02:00 committed by GitHub
parent 874a140674
commit a40b122210
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GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 20 deletions
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24
src/devices/cpu/m68000/m68kfpu.cpp
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@ -2020,17 +2020,6 @@ void m68000_musashi_device::fmovem(u16 w2)
int mode = (w2 >> 11) & 0x3; int mode = (w2 >> 11) & 0x3;
int reglist = w2 & 0xff; int reglist = w2 & 0xff;
u32 mem_addr = 0;
switch (ea >> 3)
{
case 5: // (d16, An)
mem_addr= EA_AY_DI_32();
break;
case 6: // (An) + (Xn) + d8
mem_addr= EA_AY_IX_32();
break;
}
if (dir) // From FP regs to mem if (dir) // From FP regs to mem
{ {
switch (mode) switch (mode)
@ -2116,17 +2105,12 @@ void m68000_musashi_device::fmovem(u16 w2)
{ {
if (reglist & (1 << i)) if (reglist & (1 << i))
{ {
switch (ea >> 3)
{
case 5: // (d16, An)
case 6: // (An) + (Xn) + d8
m_fpr[7-i] = load_extended_float80(mem_addr);
mem_addr += 12;
break;
default:
m_fpr[7 - i] = READ_EA_FPE(imode, reg, di_mode_ea); m_fpr[7 - i] = READ_EA_FPE(imode, reg, di_mode_ea);
break; if (di_mode)
{
di_mode_ea += 12;
} }
m_icount -= 2; m_icount -= 2;
} }
} }