diff options
Diffstat (limited to 'src/cpuaddr.h')
| -rw-r--r-- | src/cpuaddr.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cpuaddr.h b/src/cpuaddr.h index d68a328..a9fc85a 100644 --- a/src/cpuaddr.h +++ b/src/cpuaddr.h @@ -145,6 +145,11 @@ static INLINE void AbsoluteLong() {
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = (*(uint32*) CPU.PC) & 0xffffff;
+#elsif FAST_ALIGNED_LSB_WORD_ACCESS
+ if (((int32_t) CPU.PC & 1) == 0)
+ OpAddress = (*(uint16_t*) CPU.PC) + (CPU.PC[2] << 16);
+ else
+ OpAddress = *CPU.PC + ((*(uint16_t*) (CPU.PC + 1)) << 8);
#else
OpAddress = *CPU.PC + (*(CPU.PC + 1) << 8) + (*(CPU.PC + 2) << 16);
#endif
@@ -272,6 +277,11 @@ static INLINE void AbsoluteLongIndexedX() {
#ifdef FAST_LSB_WORD_ACCESS
OpAddress = (*(uint32*) CPU.PC + Registers.X.W) & 0xffffff;
+#elsif FAST_ALIGNED_LSB_WORD_ACCESS
+ if (((int32_t) CPU.PC & 1) == 0)
+ OpAddress = ((*(uint16_t*) CPU.PC) + (CPU.PC[2] << 16) + reg->X.W) & 0xFFFFFF;
+ else
+ OpAddress = (*CPU.PC + ((*(uint16_t*) (CPU.PC + 1)) << 8) + reg->X.W) & 0xFFFFFF;
#else
OpAddress = (*CPU.PC + (*(CPU.PC + 1) << 8) + (*(CPU.PC + 2) << 16) + Registers.X.W) & 0xffffff;
#endif
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