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Add some safety checks

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svn-id: r12928
This commit is contained in:
Max Horn 2004-02-18 10:42:26 +00:00
parent a092b1536a
commit 3e58cb906a
1 changed files with 4 additions and 0 deletions
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4
scumm/script_v6.cpp
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@ -2706,6 +2706,8 @@ void ScummEngine_v6::o6_kernelGetFunctions() {
if (args[1] != -1 && args[2] != -1) {
VirtScreen *vs = &virtscr[0];
assert(0 <= args[1] && args[1] < vs->width);
assert(0 <= args[2] && args[2] < vs->height);
push(vs->screenPtr[args[1] + args[2] * vs->width]);
} else
push(0);
@ -3080,6 +3082,8 @@ void ScummEngine_v6::o6_unknownE1() {
return;
}
// FIXME: Actually, there is only one virtscr in V7/V8 games anyway.
// And topline is always 0 for it.
VirtScreen *vs = findVirtScreen(y);
if (vs == NULL) {