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Return the last byte from the serial FIFO buffer in case it is empty, not an unrelated one.

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@3547
This commit is contained in:
Ralf Grillenberger 2010-02-10 22:43:01 +00:00
parent e4666d2baf
commit edd52b4b28
1 changed files with 2 additions and 1 deletions
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3
include/serialport.h
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@ -100,8 +100,9 @@ public:
Bit8u getb() {
if (!used) return data[pos];
Bitu where=pos;
if (++pos>=size) pos-=size;
used--;
if(used) pos++;
if (pos>=size) pos-=size;
return data[where];
}
Bit8u getTop() {