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00019
00020
00021 #ifndef _SRDEF68_H_
00022 #define _SRDEF68_H_
00023
00024 #ifdef __cplusplus
00025 extern "C" {
00026 #endif
00027
00032 #define SR_C_BIT 0
00033 #define SR_V_BIT 1
00034 #define SR_Z_BIT 2
00035 #define SR_N_BIT 3
00036 #define SR_X_BIT 4
00037 #define SR_IPL_BIT 8
00038 #define SR_S_BIT 13
00039 #define SR_T_BIT 15
00041 #define SR_C (1<<SR_C_BIT)
00042 #define SR_V (1<<SR_V_BIT)
00043 #define SR_Z (1<<SR_Z_BIT)
00044 #define SR_N (1<<SR_N_BIT)
00045 #define SR_X (1<<SR_X_BIT)
00046 #define SR_S (1<<SR_S_BIT)
00047 #define SR_T (1<<SR_T_BIT)
00050
00051
00056 #define IS_CS(sr) ((sr)&SR_C)
00057 #define IS_CC(sr) (!IS_CS(sr))
00058
00059 #define IS_EQ(sr) ((sr)&SR_Z)
00060 #define IS_NE(sr) (!IS_EQ(sr))
00061
00062 #define IS_VS(sr) ((sr)&SR_V)
00063 #define IS_VC(sr) (!IS_VS(sr))
00064
00065 #define IS_MI(sr) ((sr)&SR_N)
00066 #define IS_PL(sr) (!IS_MI(sr))
00067
00068 #define IS_LS(sr) ((sr)&(SR_C|SR_Z))
00069 #define IS_LT(sr) (((sr)^((sr)>>2))&SR_V)
00070 #define IS_LE(sr) (IS_LT(sr)|IS_EQ(sr))
00071
00072 #define IS_GE(sr) (!IS_LT(sr))
00073 #define IS_GT(sr) (!IS_LE(sr))
00074 #define IS_HI(sr) (!IS_LS(sr))
00075
00076 #define IS_T(sr) 1
00077 #define IS_F(sr) 0
00078
00087 #define MOVESR(SR,SRC) (SR) = \
00088 ( ((SR)&~(SR_Z|SR_N|SR_V|SR_C)) | \
00089 (((SRC)==0)<<SR_Z_BIT ) | (( (SRC)<0)<<SR_N_BIT ) )
00090
00092 #define GET_CCR(SR) ((u8)(SR))
00093
00095 #define SET_CCR(SR,CCR) (SR) = (((SR)&0xFF00) | (CCR))
00096
00098 #define GET_IPL(n) (((n)>>SR_IPL)&7)
00099
00101 #define SET_IPL(sr,n) (sr) = (((sr)&(7<<SR_IPL_BIT)) | ((n)<<SR_IPL_BIT)))
00102
00105 #ifdef __cplusplus
00106 }
00107 #endif
00108
00109 #endif