X-Git-Url: http://gitweb.hugovil.com/?a=blobdiff_plain;f=src%2Freg8051.h;h=b48424618428e464a56202b6c7f74e4984ca2937;hb=82819ebb72819f4a39c5a9aa95fbb2cef22d510f;hp=9fc3e489e8dd27171a0b102fd7f8408560924958;hpb=fc4dd8fa3aab94a5f63c097ed9809c75560abd7d;p=emu8051.git

diff --git a/src/reg8051.h b/src/reg8051.h
index 9fc3e48..b484246 100644
--- a/src/reg8051.h
+++ b/src/reg8051.h
@@ -22,7 +22,6 @@
 #ifndef REG8051_H
 #define REG8051_H 1
 
-
 /* SFR Registers ( $80 - $FF ) */
 #define _ACC_       0xE0
 #define _B_         0xF0
@@ -63,5 +62,14 @@
 #define _BANK2_     0x10
 #define _BANK3_     0x18
 
+#define PSW_BIT_CY 7
+#define PSW_BIT_AC 6
+#define PSW_BIT_OV 2
+#define PSW_BIT_P  0
+
+#define PSW_FLAG_CY (1 << PSW_BIT_CY)
+#define PSW_FLAG_AC (1 << PSW_BIT_AC)
+#define PSW_FLAG_OV (1 << PSW_BIT_OV)
+#define PSW_FLAG_P  (1 << PSW_BIT_P)
 
 #endif /* REG8051_H */