diff options
Diffstat (limited to 'source/cpuops.c')
| -rw-r--r-- | source/cpuops.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/source/cpuops.c b/source/cpuops.c index 9a15852..e529e98 100644 --- a/source/cpuops.c +++ b/source/cpuops.c @@ -2382,10 +2382,10 @@ static INLINE void CPUShutdown(void) { if (Settings.Shutdown && CPU.PC == CPU.WaitAddress) { - // Don't skip cycles with a pending NMI or IRQ - could cause delayed - // interrupt. Interrupts are delayed for a few cycles already, but - // the delay could allow the shutdown code to cycle skip again. - // Was causing screen flashing on Top Gear 3000. + /* Don't skip cycles with a pending NMI or IRQ - could cause delayed + * interrupt. Interrupts are delayed for a few cycles already, but + * the delay could allow the shutdown code to cycle skip again. + * Was causing screen flashing on Top Gear 3000. */ if (CPU.WaitCounter == 0 && !(CPU.Flags & (IRQ_PENDING_FLAG | NMI_FLAG))) { CPU.WaitAddress = NULL; @@ -2424,7 +2424,7 @@ static INLINE void CPUShutdown(void) } #endif -// From the speed-hacks branch of CatSFC +/* From the speed-hacks branch of CatSFC */ static INLINE void ForceShutdown(void) { #ifndef SA1_OPCODES @@ -3586,7 +3586,7 @@ static void Op20(void) #endif } -//JSR a,x +/* JSR a,x */ static void OpFCE1(void) { AbsoluteIndexedIndirect(false); @@ -3777,7 +3777,7 @@ static void OpCB(void) #ifdef SA1_OPCODES SA1.WaitingForInterrupt = true; SA1.PC--; -#else // SA_OPCODES +#else /* SA_OPCODES */ CPU.WaitingForInterrupt = true; CPU.PC--; if (Settings.Shutdown) @@ -3799,7 +3799,7 @@ static void OpCB(void) #endif } -// Usually an STP opcode; SNESAdvance speed hack, not implemented in Snes9xTYL | Snes9x-Euphoria (from the speed-hacks branch of CatSFC) +/* Usually an STP opcode; SNESAdvance speed hack, not implemented in Snes9xTYL | Snes9x-Euphoria (from the speed-hacks branch of CatSFC) */ static void OpDB(void) { #ifndef NO_SPEEDHACKS @@ -3809,12 +3809,12 @@ static void OpDB(void) ForceShutdown(); BranchOffset = (NextByte & 0x7F) | ((NextByte & 0x40) << 1); - // ^ -64 .. +63, sign extend bit 6 into 7 for unpacking + /* ^ -64 .. +63, sign extend bit 6 into 7 for unpacking */ OpAddress = ((int32_t) (CPU.PC - CPU.PCBase) + BranchOffset) & 0xffff; switch (NextByte & 0x80) { - case 0x00: // BNE + case 0x00: /* BNE */ BranchCheck(); if (!CheckZero ()) { @@ -3825,7 +3825,7 @@ static void OpDB(void) CPUShutdown (); } return; - case 0x80: // BEQ + case 0x80: /* BEQ */ BranchCheck(); if (CheckZero ()) { @@ -3843,7 +3843,7 @@ static void OpDB(void) #endif } -// SNESAdvance speed hack, as implemented in Snes9xTYL / Snes9x-Euphoria (from the speed-hacks branch of CatSFC) +/* SNESAdvance speed hack, as implemented in Snes9xTYL / Snes9x-Euphoria (from the speed-hacks branch of CatSFC) */ static void Op42(void) { #ifndef NO_SPEEDHACKS @@ -3852,12 +3852,12 @@ static void Op42(void) ForceShutdown(); - BranchOffset = 0xF0 | (NextByte & 0xF); // always negative + BranchOffset = 0xF0 | (NextByte & 0xF); /* always negative */ OpAddress = ((int32_t) (CPU.PC - CPU.PCBase) + BranchOffset) & 0xffff; switch (NextByte & 0xF0) { - case 0x10: // BPL + case 0x10: /* BPL */ BranchCheck(); if (!CheckNegative ()) { @@ -3868,7 +3868,7 @@ static void Op42(void) CPUShutdown (); } return; - case 0x30: // BMI + case 0x30: /* BMI */ BranchCheck(); if (CheckNegative ()) { @@ -3879,7 +3879,7 @@ static void Op42(void) CPUShutdown (); } return; - case 0x50: // BVC + case 0x50: /* BVC */ BranchCheck(); if (!CheckOverflow ()) { @@ -3890,7 +3890,7 @@ static void Op42(void) CPUShutdown (); } return; - case 0x70: // BVS + case 0x70: /* BVS */ BranchCheck(); if (CheckOverflow ()) { @@ -3901,14 +3901,14 @@ static void Op42(void) CPUShutdown (); } return; - case 0x80: // BRA + case 0x80: /* BRA */ CPU.PC = CPU.PCBase + OpAddress; #ifndef SA1_OPCODES CPU.Cycles += ONE_CYCLE; #endif CPUShutdown (); return; - case 0x90: // BCC + case 0x90: /* BCC */ BranchCheck(); if (!CheckCarry ()) { @@ -3919,7 +3919,7 @@ static void Op42(void) CPUShutdown (); } return; - case 0xB0: // BCS + case 0xB0: /* BCS */ BranchCheck(); if (CheckCarry ()) { @@ -3930,7 +3930,7 @@ static void Op42(void) CPUShutdown (); } return; - case 0xD0: // BNE + case 0xD0: /* BNE */ BranchCheck(); if (!CheckZero ()) { @@ -3941,7 +3941,7 @@ static void Op42(void) CPUShutdown (); } return; - case 0xF0: // BEQ + case 0xF0: /* BEQ */ BranchCheck(); if (CheckZero ()) { |