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further logic improvement for puzzli2 protection (nw)

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This commit is contained in:
David Haywood 2013-08-01 03:26:41 +00:00
parent 4c8d768e7c
commit b1a51b6107
1 changed files with 6 additions and 1 deletions
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7
src/mame/machine/pgmprot_igs027a_type1.c
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@ -710,9 +710,11 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
// logic here seems correct, not sure where the 0x19 and 0x5 etc. come from tho!
case 0x47:
hack_47_value = ((m_value0 & 0x0700)>>8) * 0x19;
hack_47_value |=((m_value0 & 0x0007)>>0) * 0x05;
hack_47_value +=((m_value0 & 0x0007)>>0) * 0x05;
if (m_value0 & 0xf8f8) printf("unhandled 0x47 bits %04x\n", m_value0);
//printf("0x47 value was %04x - using %04x\n", m_value0, hack_47_value);
m_valueresponse = 0x00740047;
break;
@ -721,6 +723,9 @@ void pgm_arm_type1_state::command_handler_puzzli2(int pc)
//printf("which %04x\n", m_value0);
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);