mirror of https://github.com/mgba-emu/mgba.git
Fix ARM_CARRY_FROM
This commit is contained in:
parent
76cd712907
commit
6321b1f827
|
@ -47,7 +47,7 @@
|
|||
#define ARM_SIGN(I) ((I) >> 31)
|
||||
#define ARM_ROR(I, ROTATE) ((((uint32_t) (I)) >> ROTATE) | (I << (32 - ROTATE)))
|
||||
|
||||
#define ARM_CARRY_FROM(M, N, D) ((ARM_SIGN((M) | (N))) && !(ARM_SIGN(D)))
|
||||
#define ARM_CARRY_FROM(M, N, D) (((uint32_t) (M) >> 31) + ((uint32_t) (N) >> 31) > ((uint32_t) (D) >> 31))
|
||||
#define ARM_BORROW_FROM(M, N, D) (((uint32_t) (M)) >= ((uint32_t) (N)))
|
||||
#define ARM_V_ADDITION(M, N, D) (!(ARM_SIGN((M) ^ (N))) && (ARM_SIGN((M) ^ (D))) && (ARM_SIGN((N) ^ (D))))
|
||||
#define ARM_V_SUBTRACTION(M, N, D) ((ARM_SIGN((M) ^ (N))) && (ARM_SIGN((M) ^ (D))))
|
||||
|
|
Loading…
Reference in New Issue