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-rw-r--r--src/core/arm/dyncom/arm_dyncom_thumb.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_thumb.cpp b/src/core/arm/dyncom/arm_dyncom_thumb.cpp
index 897bb0460..83b532aac 100644
--- a/src/core/arm/dyncom/arm_dyncom_thumb.cpp
+++ b/src/core/arm/dyncom/arm_dyncom_thumb.cpp
@@ -275,7 +275,10 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) {
: 0xE28DDF00) // ADD
|(tinstr & 0x007F); // off7
} else if ((tinstr & 0x0F00) == 0x0e00) {
- *ainstr = 0xEF000000 | 0x180000; // base | BKPT mask
+ // BKPT
+ *ainstr = 0xEF000000 // base
+ | BITS(tinstr, 0, 3) // imm4 field;
+ | (BITS(tinstr, 4, 7) << 8); // beginning 4 bits of imm12
} else if ((tinstr & 0x0F00) == 0x0200) {
static const ARMword subset[4] = {
0xE6BF0070, // SXTH