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precalculate inverted stack mask; improve dynamic core stack functions

Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@2606
This commit is contained in:
Sebastian Strohhäcker 2006-04-18 17:44:25 +00:00
parent ec58b58543
commit 2ae27a0bb9
5 changed files with 87 additions and 131 deletions

View file

@ -418,7 +418,7 @@ struct CPUBlock {
GDTDescriptorTable gdt;
DescriptorTable idt;
struct {
Bitu mask;
Bitu mask,notmask;
bool big;
} stack;
struct {