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use the mask (nw)

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This commit is contained in:
David Haywood 2013-08-03 04:02:17 +00:00
parent 63d85655b9
commit 83194148eb
1 changed files with 20 additions and 1 deletions
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21
src/mame/machine/pgmprot_igs027a_type1.c
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@ -1859,6 +1859,22 @@ int count_bits(UINT16 value)
return count; return count;
} }
int get_position_of_bit(UINT16 value, int bit_wanted)
{
int count = 0;
for (int i=0;i<16;i++)
{
int bit = (value >> i) & 1;
if (bit) count++;
if (count==(bit_wanted+1))
return i;
}
return -1;
}
int pgm_arm_type1_state::puzzli2_take_leveldata_value(UINT8 datvalue) int pgm_arm_type1_state::puzzli2_take_leveldata_value(UINT8 datvalue)
{ {
if (stage==-1) if (stage==-1)
@ -2083,7 +2099,10 @@ int pgm_arm_type1_state::puzzli2_take_leveldata_value(UINT8 datvalue)
else {object_value = 0x0100; printf("%02x <- unknown object\n", rawvalue);} else {object_value = 0x0100; printf("%02x <- unknown object\n", rawvalue);}
level_structure[currentcolumn][currentrow] = object_value; int realrow = get_position_of_bit(m_row_bitmask, currentrow);
if (realrow != -1)
level_structure[currentcolumn][realrow] = object_value;
currentrow++; currentrow++;