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-rw-r--r--trunk/src/emu/cpu/nec/nec.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/trunk/src/emu/cpu/nec/nec.h b/trunk/src/emu/cpu/nec/nec.h
new file mode 100644
index 00000000000..d0a6e4816c5
--- /dev/null
+++ b/trunk/src/emu/cpu/nec/nec.h
@@ -0,0 +1,37 @@
+/* ASG 971222 -- rewrote this interface */
+#ifndef __NEC_H_
+#define __NEC_H_
+
+
+typedef struct _nec_config nec_config;
+struct _nec_config
+{
+ const UINT8* v25v35_decryptiontable; // internal decryption table
+};
+
+#define NEC_INPUT_LINE_INTP0 10
+#define NEC_INPUT_LINE_INTP1 11
+#define NEC_INPUT_LINE_INTP2 12
+#define NEC_INPUT_LINE_POLL 20
+
+#define V25_PORT_P0 0x10000
+#define V25_PORT_P1 0x10002
+#define V25_PORT_P2 0x10004
+#define V25_PORT_PT 0x10006
+
+enum
+{
+ NEC_PC=0,
+ NEC_IP, NEC_AW, NEC_CW, NEC_DW, NEC_BW, NEC_SP, NEC_BP, NEC_IX, NEC_IY,
+ NEC_FLAGS, NEC_ES, NEC_CS, NEC_SS, NEC_DS,
+ NEC_PENDING
+};
+
+/* Public functions */
+DECLARE_LEGACY_CPU_DEVICE(V20, v20);
+DECLARE_LEGACY_CPU_DEVICE(V25, v25);
+DECLARE_LEGACY_CPU_DEVICE(V30, v30);
+DECLARE_LEGACY_CPU_DEVICE(V33, v33);
+DECLARE_LEGACY_CPU_DEVICE(V35, v35);
+
+#endif