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more puzzli2 research, need to start joining the dots... (nw)

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This commit is contained in:
David Haywood 2013-07-31 17:00:26 +00:00
parent 140ac1f6ae
commit bee8e52814
1 changed files with 102 additions and 24 deletions
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126
src/mame/machine/pgmprot_igs027a_type1.c
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@ -573,24 +573,13 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
switch (m_ddp3lastcommand)
{
case 0x13: // getting some kind of list maybe?
{
hackcount++;
if (hackcount<10)
{
m_valueresponse = 0x002d0008;
}
else
{
hackcount=0;
m_valueresponse = 0x00740008;
}
// 2d seems to be used when there is more data available
// 74 seems to be used when there isn't.. (end of buffer reached?)
// 2d or 74! (based on?)
}
// done before writes to 31 when getting level data, always just seems to return the 0x36 response.
case 0x54: // ??
m_puzzli_54_trigger = 1;
hackcount2 = 0;
hackcount = 0;
m_valueresponse = 0x36<<16;
break;
case 0x31:
@ -598,18 +587,111 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
// how is this selected? command 54?
hackcount2++;
if (hackcount2<30)
/* writes the following sequence before how to play
00138278: 31 00fd
00138278: 31 0087
00138278: 31 0032
00138278: 31 0029
00138278: 31 0031
00138278: 31 003f
00138278: 31 00b0
00138278: 31 0035
00138278: 31 0071
00138278: 31 002d
00138278: 31 00d5
00138278: 31 000d
00138278: 31 0034
00138278: 31 0059
00138278: 31 00dd
00138278: 31 0023
00138278: 31 007a
00138278: 31 00f3
00138278: 31 0077
00138278: 31 0022
00138278: 31 0036
00138278: 31 002e
00138278: 31 00b3
00138278: 31 0035
00138278: 31 0041
00138278: 31 005d
00138278: 31 00d6
00138278: 31 000c
00138278: 31 0036
00138278: 31 005e
00138278: 31 0089
00138278: 31 003c
00138278: 31 007a
00138278: 31 00a2
00138278: 31 006d
00138278: 31 0023
00138278: 31 0037
00138278: 31 003f
00138278: 31 00b3
00138278: 31 0034
*/
if (hackcount2<40)
{
m_valueresponse = 0x00d20008;
// always d2 0000 when writing doing level data
// but different for the writes on startup?
m_valueresponse = 0x00d20000;
}
else
{
hackcount2=0;
m_valueresponse = 0x00630008;
printf("end\n");
// 63 0006 after the last 31 write doing the how to play level data - the 06 is the width of the playfield, where does it come from?
m_valueresponse = 0x00630006;
}
}
break;
// this is read immediately after the 31 writes before a level / how to play
case 0x13: // getting some kind of list maybe?
{
// before how to play
// clearly the level layout, where does it come from?
UINT16 retvals[61] =
{ 0x0008,
0x0103, 0x0101, 0x0102, 0x0102, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, // first column
0x0103, 0x0100, 0x0101, 0x0105, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0100, 0x0101, 0x0105, 0x0104, 0x0104, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0102, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0100, 0x0101, 0x0103, 0x0102, 0x0104, 0x0100 ,0x0100, 0x0000, 0x0000, 0x0000,
0x0105, 0x0105, 0x0101, 0x0101, 0x0103, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000 // last column
};
if (hackcount<61)
{
m_valueresponse = 0x002d0000 | retvals[hackcount];
printf("returning %08x\n", m_valueresponse );
}
else
{
hackcount=0;
m_valueresponse = 0x00740054; // 0x0074 0054 is returned after how to play reads above..
printf("END returning %08x\n", m_valueresponse );
}
hackcount++;
// 2d seems to be used when there is more data available
// 74 seems to be used when there isn't.. (end of buffer reached?)
// 2d or 74! (based on?)
}
break;
case 0x38: // Reset
m_valueresponse = 0x78<<16;
@ -637,10 +719,6 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
case 0x54: // ??
m_puzzli_54_trigger = 1;
m_valueresponse = 0x36<<16;
break;
case 0x61: // ??
m_valueresponse = 0x36<<16;