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fixed disassembly window & flags(nw)

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smf- 2016-10-20 11:20:38 +01:00
parent 14cf79ccd6
commit c9aebc4b7a
2 changed files with 21 additions and 14 deletions
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22
src/devices/cpu/alph8201/alph8201.cpp
View File

@ -2,10 +2,9 @@
// copyright-holders:Tatsuyuki Satoh // copyright-holders:Tatsuyuki Satoh
/* /*
Notice: please do not modify this file, except in case of compile- or critical emulation error Notice: The alpha 8201 is now emulated using mame/alpha8201.*
A more accurate implementation is in mame/alpha8201.*
cpu/alph8201/ will be removed soon cpu/alph8201/ will be removed when the alpha 8301 has been dumped.
@ -398,8 +397,6 @@ void alpha8201_cpu_device::device_start()
state_add( ALPHA8201_SP, "SP", m_sp ).callimport().callexport().formatstr("%02X"); state_add( ALPHA8201_SP, "SP", m_sp ).callimport().callexport().formatstr("%02X");
state_add( ALPHA8201_RB, "RB", m_regPtr ).mask(0x7); state_add( ALPHA8201_RB, "RB", m_regPtr ).mask(0x7);
state_add( ALPHA8201_MB, "MB", m_mb ).mask(0x3); state_add( ALPHA8201_MB, "MB", m_mb ).mask(0x3);
state_add( ALPHA8201_CF, "CF", m_cf ).mask(0x1);
state_add( ALPHA8201_ZF, "ZF", m_zf ).mask(0x1);
state_add( ALPHA8201_IX0, "IX0", m_ix0.b.l ); state_add( ALPHA8201_IX0, "IX0", m_ix0.b.l );
state_add( ALPHA8201_IX1, "IX1", m_ix1.b.l ); state_add( ALPHA8201_IX1, "IX1", m_ix1.b.l );
state_add( ALPHA8201_IX2, "IX2", m_ix2.b.l ); state_add( ALPHA8201_IX2, "IX2", m_ix2.b.l );
@ -416,7 +413,9 @@ void alpha8201_cpu_device::device_start()
state_add( ALPHA8201_R5, "R5", m_R[5] ).callimport().callexport().formatstr("%02X"); state_add( ALPHA8201_R5, "R5", m_R[5] ).callimport().callexport().formatstr("%02X");
state_add( ALPHA8201_R6, "R6", m_R[6] ).callimport().callexport().formatstr("%02X"); state_add( ALPHA8201_R6, "R6", m_R[6] ).callimport().callexport().formatstr("%02X");
state_add( ALPHA8201_R7, "R7", m_R[7] ).callimport().callexport().formatstr("%02X"); state_add( ALPHA8201_R7, "R7", m_R[7] ).callimport().callexport().formatstr("%02X");
state_add(STATE_GENPCBASE, "PC", m_PREVPC).noshow(); state_add( STATE_GENPCBASE, "CURPC", m_PREVPC ).noshow();
state_add( STATE_GENFLAGS, "CURFLAGS", m_flags ).callimport().callexport().formatstr("%2s").noshow();
state_add( STATE_GENSP, "CURSP", m_sp ).callimport().callexport();
save_item(NAME(m_RAM)); save_item(NAME(m_RAM));
save_item(NAME(m_PREVPC)); save_item(NAME(m_PREVPC));
@ -446,7 +445,13 @@ void alpha8201_cpu_device::state_import(const device_state_entry &entry)
{ {
switch (entry.index()) switch (entry.index())
{ {
case STATE_GENFLAGS:
m_cf = BIT(m_flags, 1);
m_zf = BIT(m_flags, 0);
break;
case ALPHA8201_SP: case ALPHA8201_SP:
case STATE_GENSP:
M_WRMEM(0x001, m_sp); M_WRMEM(0x001, m_sp);
break; break;
@ -489,7 +494,12 @@ void alpha8201_cpu_device::state_export(const device_state_entry &entry)
{ {
switch (entry.index()) switch (entry.index())
{ {
case STATE_GENFLAGS:
m_flags = (m_cf << 1) | m_zf;
break;
case ALPHA8201_SP: case ALPHA8201_SP:
case STATE_GENSP:
m_sp = M_RDMEM(0x001); m_sp = M_RDMEM(0x001);
break; break;

13
src/devices/cpu/alph8201/alph8201.h
View File

@ -2,10 +2,9 @@
// copyright-holders:Tatsuyuki Satoh // copyright-holders:Tatsuyuki Satoh
/* /*
Notice: please do not modify this file, except in case of compile- or critical emulation error Notice: The alpha 8201 is now emulated using mame/alpha8201.*
A more accurate implementation is in mame/alpha8201.*
cpu/alph8201/ will be removed soon cpu/alph8201/ will be removed when the alpha 8301 has been dumped.
@ -28,13 +27,10 @@ cpu/alph8201/ will be removed soon
enum enum
{ {
ALPHA8201_PC=1, ALPHA8201_PC = STATE_GENPC,
ALPHA8201_SP, ALPHA8201_SP = 0,
ALPHA8201_RB, ALPHA8201_RB,
ALPHA8201_MB, ALPHA8201_MB,
//
ALPHA8201_CF,
ALPHA8201_ZF,
// //
ALPHA8201_IX0, ALPHA8201_IX0,
ALPHA8201_IX1, ALPHA8201_IX1,
@ -402,6 +398,7 @@ protected:
// Used for import/export only // Used for import/export only
UINT8 m_sp; UINT8 m_sp;
UINT8 m_R[8]; UINT8 m_R[8];
UINT8 m_flags;
}; };