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Optimizations to control reading #5

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merged 1 commit into from
Jan 21, 2024
Merged

Optimizations to control reading #5

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8 changes: 4 additions & 4 deletions source/quickerNES/core.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -871,10 +871,10 @@ size_t serializeLiteState(uint8_t *buffer) const
// to do: to aid with recording, doesn't emulate transparent latch,
// so a game that held strobe at 1 and read $4016 or $4017 would not get
// the current A status as occurs on a NES
unsigned long result = joypad.joypad_latches[addr & 1];
if (!(joypad.w4016 & 1))
joypad.joypad_latches[addr & 1] = (result >> 1) | 0x80000000;
return result & 1;
if (joypad.w4016 & 1) return 0;
const uint8_t result = joypad.joypad_latches[addr & 1] & 1;
joypad.joypad_latches[addr & 1] >>= 1;
return result;
}

if (addr == Apu::status_addr)
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2 changes: 1 addition & 1 deletion tests/rcProAmII.race1.test
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Expand Up @@ -3,7 +3,7 @@
"Expected ROM SHA1": "8C68582BDAA32FBC8C7CD858991D4E00D3B1569C",
"Initial State File": "",
"Sequence File": "rcProAmII.race1.sol",
"Disable State Blocks": [ ],
"Disable State Blocks": [ "SRAM", "NTAB", "SPRT", "CTRL", "APUR" ],
"Controller 1 Type": "FourScore1",
"Controller 2 Type": "FourScore2"
}