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Some information for PoP

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This commit is contained in:
Angelo Salese 2013-01-04 17:23:10 +00:00
parent 186d0b526a
commit b02fc6f360
2 changed files with 22 additions and 4 deletions
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2
src/emu/cpu/h6280/h6280ops.h
View File

@ -27,7 +27,7 @@
#define P m_p
#define S m_sp.b.l
#define TRANSLATED(addr) ((m_mmr[(addr) >> 13 & 7] << 13) | ((addr) & 0x1fff))
#define TRANSLATED(addr) ((m_mmr[((addr) >> 13) & 7] << 13) | ((addr) & 0x1fff))
#define H6280_CYCLES(cyc) \
{ \
m_icount -= ((cyc) * m_clocks_per_cycle); \

24
src/mess/machine/pce.c
View File

@ -7,6 +7,22 @@ TODO:
- Dragon Slayer - The Legend of Heroes: black screen;
- Mirai Shonen Conan: dies at new game selection;
- Prince of Persia: black screen;
Sequence in read_6 command is:
00000bc1 00000002
00000bc3 00000010
00000cf4 00000020
00001444 00000001
...
Ootake does:
00000ca2 00000002
00000ca4 00000010
00000cf4 00000020
00001444 00000001
First two values are taken from get dir info command, that's why
they don't match with our emulation. Program data from 0x1444
is written to work RAM 0x104800 (so, wpset 0x104800,1,w or bp 4800 shows
what's the data executed)
- Snatcher: black screen after Konami logo;
- Steam Heart's: needs transfer ready irq to get past the
gameplay hang, don't know exactly where to
@ -507,8 +523,9 @@ static void pce_cd_read_6( running_machine &machine )
{
pce_state *state = machine.driver_data<pce_state>();
pce_cd_t &pce_cd = state->m_cd;
UINT32 frame = ( ( pce_cd.command_buffer[1] & 0x1F ) << 16 ) | ( pce_cd.command_buffer[2] << 8 ) | pce_cd.command_buffer[3];
UINT32 frame = ( ( pce_cd.command_buffer[1] ) << 16 ) | ( pce_cd.command_buffer[2] << 8 ) | pce_cd.command_buffer[3];
UINT32 frame_count = pce_cd.command_buffer[4];
printf("%08x %08x\n",frame,frame_count);
/* Check for presence of a CD */
if ( ! pce_cd.cd )
@ -889,6 +906,7 @@ static void pce_cd_handle_data_output( running_machine &machine )
if ( pce_cd.command_buffer_index == pce_cd_commands[i].command_size )
{
//printf("%02x command issued\n",pce_cd.command_buffer[0]);
(pce_cd_commands[i].command_handler)( machine );
pce_cd.command_buffer_index = 0;
}
@ -947,7 +965,7 @@ static void pce_cd_handle_data_input( running_machine &machine )
}
else
{
logerror("Transfer byte from offset %d\n", pce_cd.data_buffer_index);
logerror("Transfer byte %02x from offset %d %d\n",pce_cd.data_buffer[pce_cd.data_buffer_index] , pce_cd.data_buffer_index, pce_cd.current_frame);
pce_cd.regs[0x01] = pce_cd.data_buffer[pce_cd.data_buffer_index];
pce_cd.data_buffer_index++;
pce_cd.scsi_REQ = 1;
@ -1494,7 +1512,7 @@ TIMER_CALLBACK_MEMBER(pce_state::pce_cd_clear_ack)
pce_cd_update(machine());
if ( pce_cd.scsi_CD )
{
pce_cd.regs[0x0B] &= 0xFE;
pce_cd.regs[0x0B] &= 0xFC;
}
}