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-rw-r--r--src/mame/includes/rescap.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mame/includes/rescap.h b/src/mame/includes/rescap.h
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+++ b/src/mame/includes/rescap.h
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+#ifndef RC_MACROS_H
+#define RC_MACROS_H
+
+/* Little helpers for magnitude conversions */
+#define RES_K(res) ((double)(res)*1e3)
+#define RES_M(res) ((double)(res)*1e6)
+#define CAP_U(cap) ((double)(cap)*1e-6)
+#define CAP_N(cap) ((double)(cap)*1e-9)
+#define CAP_P(cap) ((double)(cap)*1e-12)
+
+#endif