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Patch by yot to fix Zak256 markings.

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svn-id: r4682
This commit is contained in:
James Brown 2002-07-30 15:20:30 +00:00
parent eae0d3910d
commit 30cd1e43d2
1 changed files with 23 additions and 0 deletions
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23
script.cpp
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@ -343,6 +343,16 @@ int Scumm::readVar(uint var)
return _vars[var];
if (var & 0x8000) {
if (_gameId == GID_ZAK256) {
// Emulate a wierd hack in Zak256 to read individual
// bits of a normal global
int b = (var & 0x000F);
var &= 0x0FFF;
var >>= 4;
checkRange(_numVariables - 1, 0, var, "Variable %d out of range(rzb)");
return (_vars[ var ] & ( 1 << b ) ) ? 1 : 0;
}
var &= 0x7FFF;
checkRange(_numBitVariables - 1, 0, var, "Bit variable %d out of range(r)");
return (_bitVars[var >> 3] & (1 << (var & 7))) ? 1 : 0;
@ -380,6 +390,19 @@ void Scumm::writeVar(uint var, int value)
}
if (var & 0x8000) {
if (_gameId == GID_ZAK256) {
// Emulate a wierd hack in Zak256 to read individual
// bits of a normal global
int b = (var & 0x000F);
var &= 0x7FFF;
var >>= 4;
checkRange(_numVariables - 1, 0, var, "Variable %d out of range(wzb)");
if(value)
_vars[ var ] |= ( 1 << b );
else
_vars[ var ] &= ~( 1 << b );
return;
}
var &= 0x7FFF;
checkRange(_numBitVariables - 1, 0, var, "Bit variable %d out of range(w)");