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ok, level depth wasn't my black bar issue, seems the lower parts of the backgrounds weren't getting handled properly by another command, not sure how much I trust this logic tho (nw)

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This commit is contained in:
David Haywood 2013-08-04 17:54:23 +00:00
parent 1a9ef1251f
commit 5621ffea5f
1 changed files with 26 additions and 10 deletions
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36
src/mame/machine/pgmprot_igs027a_type1.c
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@ -606,6 +606,7 @@ UINT8 puzzli2_level_decode[256] = {
}; };
void pgm_arm_type1_state::command_handler_puzzli2(int pc) void pgm_arm_type1_state::command_handler_puzzli2(int pc)
{ {
@ -814,9 +815,11 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
case 0x47: case 0x47:
printf("%08x: %02x %04x (GFX OFF PART 1)\n",pc, m_ddp3lastcommand, m_value0); printf("%08x: %02x %04x (GFX OFF PART 1)\n",pc, m_ddp3lastcommand, m_value0);
hack_47_value = ((m_value0 & 0x0700)>>8) * 0x19; hack_47_value = m_value0;
hack_47_value +=((m_value0 & 0x0007)>>0) * 0x05;
if (m_value0 & 0xf8f8) printf("unhandled 0x47 bits %04x\n", m_value0); //hack_47_value = ((m_value0 & 0x0700)>>8) * 0x19;
//hack_47_value +=((m_value0 & 0x0007)>>0) * 0x05;
if (m_value0 & 0xf0f0) printf("unhandled 0x47 bits %04x\n", m_value0);
//printf("0x47 value was %04x - using %04x\n", m_value0, hack_47_value); //printf("0x47 value was %04x - using %04x\n", m_value0, hack_47_value);
@ -828,14 +831,27 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
printf("%08x: %02x %04x (GFX OFF PART 2)\n",pc, m_ddp3lastcommand, m_value0); printf("%08x: %02x %04x (GFX OFF PART 2)\n",pc, m_ddp3lastcommand, m_value0);
//printf("which %04x\n", m_value0); //printf("which %04x\n", m_value0);
if (m_value0 & 0xfff0) printf("unhandled 0x52 bits %04x\n", m_value0);
// it writes a value of 0x0000 then expects to read back like
// this for the lower part of the game backgrounds
if (m_value0==0x0000)
{
int val = ((hack_47_value & 0x0f00)>>8) * 0x19;
m_valueresponse = 0x00740000 | (val & 0xffff);
}
else
{
int val = ((hack_47_value & 0x0f00)>>8) * 0x19;
val +=((hack_47_value & 0x000f)>>0) * 0x05;
val += m_value0 & 0x000f;
m_valueresponse = 0x00740000 | (val & 0xffff);
}
hack_47_value += m_value0 & 0x0007;
//printf("0x52 - adding %04x value is now %04x\n", m_value0, hack_47_value);
if (m_value0 & 0xfff8) printf("unhandled 0x52 bits %04x\n", m_value0);
m_valueresponse = 0x00740000 | (hack_47_value & 0xffff);
break; break;