From ce34e879e348cecd4e21329be5974cc4162fa6c4 Mon Sep 17 00:00:00 2001
From: neonloop
Date: Wed, 9 Feb 2022 07:15:14 +0000
Subject: Adds experimental ARM dynarec

Supports ARMv5 and higher, enable with USE_DYNAREC Makefile variable
---
 source/arm_dynarec/opgen.h | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 source/arm_dynarec/opgen.h

(limited to 'source/arm_dynarec/opgen.h')

diff --git a/source/arm_dynarec/opgen.h b/source/arm_dynarec/opgen.h
new file mode 100644
index 0000000..aaa5556
--- /dev/null
+++ b/source/arm_dynarec/opgen.h
@@ -0,0 +1,26 @@
+/* Macros turn opcode tables into code */
+
+#define F8(F) F##8
+#define F16(F) F##16
+#define EF(F) 0, F16(F), F16(F)
+#define NF(F) 0, F, F
+#define NF8(F) 0, F8(F), F8(F)
+#define NF16(F) 0, F16(F), F16(F)
+#define MF(F) (CheckEmulation() || CheckMemory()), F8(F), F16(F)
+#define XF(F) (CheckEmulation() || CheckIndex()), F8(F), F16(F)
+
+#define C (Carry)
+#define Z (Zero)
+#define V (Overflow)
+#define NZ (Negative | Zero)
+#define NZC (Negative | Zero | Carry)
+#define NZV (Negative | Zero | Overflow)
+#define NZCV (Negative | Zero | Carry | Overflow)
+
+switch(opcode = *pc++) {
+
+#include "opdef.h"
+
+default:                                              \
+   printf("Invalid opcode : 0x%X\n", opcode);         \
+}
-- 
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