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fix the sbc assertion. we'll take these out in a few days.

This commit is contained in:
zeromus 2009-01-09 07:54:15 +00:00
parent 707121b826
commit 750bd43ce2
1 changed files with 3 additions and 3 deletions
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6
desmume/src/thumb_instructions.cpp
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@ -337,7 +337,7 @@ TEMPLATE static u32 FASTCALL OP_ADC_REG()
//the below UNSIGNED_OVERFLOW calculation is the clever way of doing it //the below UNSIGNED_OVERFLOW calculation is the clever way of doing it
//but just to keep from making a mistake, lets assert that it matches the precise definition of unsigned overflow //but just to keep from making a mistake, lets assert that it matches the precise definition of unsigned overflow
static int passcount = 0; static long passcount = 0;
assert(++passcount); assert(++passcount);
assert( assert(
((((u64)a+(u64)b+cpu->CPSR.bits.C)>>32)&1) ((((u64)a+(u64)b+cpu->CPSR.bits.C)>>32)&1)
@ -365,10 +365,10 @@ TEMPLATE static u32 FASTCALL OP_SBC_REG()
//the below UNSIGNED_UNDERFLOW calculation is the clever way of doing it //the below UNSIGNED_UNDERFLOW calculation is the clever way of doing it
//but just to keep from making a mistake, lets assert that it matches the precise definition of unsigned overflow //but just to keep from making a mistake, lets assert that it matches the precise definition of unsigned overflow
static int passcount = 0; static long passcount = 0;
assert(++passcount); assert(++passcount);
assert( assert(
((((u64)a+(u64)b+cpu->CPSR.bits.C)>>63)&1) ((((u64)a-(u64)b-(!cpu->CPSR.bits.C))>>32)&1)
== UNSIGNED_UNDERFLOW(a, b, res) == UNSIGNED_UNDERFLOW(a, b, res)
); );