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in ccs simulator: 1. i clear SXMD bit in st1_c55 by set st1_c55 to 2820 2. perfom next instruction: MOV dbl(*AR1), AC0 which : AR1 -> C000 0000 or AR1 -> 0001 0000 or AR1 -> 1000 0000 3. now OVERFLOW flag in st0_c55 was set by ccs! why? thanks advance. |
why SXMD flag change Overflow status bit in st0_c55
Started by ●November 23, 2004
