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BIOS patche neo SCPH-3000 SCPH-1000

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I finally completed the value conversion for the BIOS patch without IRS
This commit is contained in:
kalymos
2026-02-20 21:45:08 +01:00
parent 045a7ca532
commit c9b76ed325
3 changed files with 117 additions and 27 deletions
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77
PSNee/BIOS_patching.h
View File

@@ -110,18 +110,20 @@
_delay_ms(BOOT_OFFSET);
PIN_LED_ON;
while (! PIN_AX_READ);
_delay_us(BIT_OFFSET);
PIN_DX_SET;
PIN_DX_OUTPUT; // Force line (Low/High-Z override)
_delay_us(OVERRIDE);
_delay_us(OVERRIDE);
PIN_DX_CLEAR;
PIN_DX_INPUT; // Release bus immediately
PIN_LED_OFF;
sei(); // Restore global interrupts
while (patch_done != 1);
PIN_LED_OFF;
while (PIN_AY_READ != 0);
_delay_ms(FOLLOWUP_OFFSET);
@@ -132,7 +134,56 @@
}
#endif
#ifdef HIGH_PATCH_B
void Bios_Patching(){
PIN_DX_INPUT;
cli(); // Disable interrupts for timing integrity
if (PIN_AX_READ != 0)
{
while (PIN_AX_READ != 0);
while (PIN_AX_READ == 0);
}
else
{
while (PIN_AX_READ == 0);
}
_delay_ms(BOOT_OFFSET);
//PIN_LED_ON;
while (! PIN_AX_READ);
_delay_us(BIT_OFFSET);
PIN_DX_SET;
PIN_DX_OUTPUT; // Force line (Low/High-Z override)
_delay_us(OVERRIDE);
PIN_DX_CLEAR;
PIN_DX_INPUT; // Release bus immediately
PIN_LED_OFF;
sei(); // Restore global interrupts
//PIN_LED_OFF;
PIN_LED_ON;
while (PIN_AY_READ != 0);
_delay_ms(FOLLOWUP_OFFSET);
while (PIN_AY_READ);
_delay_us (BIT_OFFSET_2);
PIN_DX_OUTPUT;
_delay_us (OVERRIDE_2);
PIN_DX_INPUT;
PIN_LED_OFF;
}
#endif
#ifdef INTERRUPT_RISING_HIGH_PATCH
@@ -181,22 +232,24 @@
_delay_ms(BOOT_OFFSET);
PIN_LED_ON;
PIN_AX_INTERRUPT_RISING;
PIN_AX_INTERRUPT_ENABLE;
while (patch_done != 1);
PIN_LED_OFF;
while (PIN_AY_READ != 0);
while (PIN_AY_READ != 0);
_delay_ms(FOLLOWUP_OFFSET);
PIN_LED_ON;
PIN_AY_INTERRUPT_RISING;
PIN_AY_INTERRUPT_ENABLE;
PIN_AY_INTERRUPT_ENABLE;
while (patch_done != 2);
PIN_LED_OFF;
}
#endif

4
PSNee/PSNee.ino
View File

@@ -50,8 +50,8 @@ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
//#define SCPH_5500 // DX - D0 | AX - A5 | | 3.0j - CRC FF3EEB8C
//#define SCPH_5000 // DX - D0 | AX - A5 | AX - A4 | 2.2j - CRC 24FC7E17
//#define SCPH_3500 // DX - D0 | AX - A5 | AX - A4 | 2.1j - CRC BC190209
#define SCPH_3000 // DX - D5 | AX - A7, AY - A8 | AX - A6, AY - A7 | 1.1j - CRC 3539DEF6
//#define SCPH_1000 // DX - D5 | AX - A7, AY - A8 | AX - A6, AY - A7 | 1.0j - CRC 3B601FC8
//#define SCPH_3000 // DX - D5 | AX - A7, AY - A8 | AX - A6, AY - A7 | 1.1j - CRC 3539DEF6
#define SCPH_1000 // DX - D5 | AX - A7, AY - A8 | AX - A6, AY - A7 | 1.0j - CRC 3B601FC8
/*------------------------------------------------------------------------------------------------
Options

63
PSNee/settings.h
View File

@@ -105,7 +105,7 @@
// #define BIOS_PATCH
// #define HIGH_PATCH_A
// #define BOOT_OFFSET 82.9 //82.65 - 83.26
// #define BIT_OFFSET 278.65
// #define BIT_OFFSET 283.25
// #define OVERRIDE 0.15
// #define HIGH_PATCH
// #define FOLLOWUP_OFFSET 253.3
@@ -116,29 +116,66 @@
#ifdef SCPH_3000
#define BIOS_PATCH
#define INTERRUPT_RISING_HIGH_PATCH
#define BOOT_OFFSET 82.9 //82.65 - 83.26
#define PULSE_COUNT 60
#define BIT_OFFSET 2.7 //2.58 - 2.8
#define HIGH_PATCH_B
#define BOOT_OFFSET 82.9 //82.65 - 83.26
#define BIT_OFFSET 283.25
#define OVERRIDE 0.15
#define HIGH_PATCH
#define FOLLOWUP_OFFSET 253.3
#define PULSE_COUNT_2 43
#define BIT_OFFSET_2 2.88
#define FOLLOWUP_OFFSET 253.3
#define BIT_OFFSET_2 201.8
#define OVERRIDE_2 0.15
#endif
// #ifdef SCPH_3000
// #define BIOS_PATCH
// #define INTERRUPT_RISING_HIGH_PATCH
// #define BOOT_OFFSET 82.9 //82.65 - 83.26
// #define PULSE_COUNT 60
// #define BIT_OFFSET 2.7 //2.58 - 2.8
// #define OVERRIDE 0.15
// #define HIGH_PATCH
// #define FOLLOWUP_OFFSET 253.3
// #define PULSE_COUNT_2 43
// #define BIT_OFFSET_2 2.88
// #define OVERRIDE_2 0.15
// #endif
// #ifdef SCPH_1000
// #define BIOS_PATCH
// #define INTERRUPT_RISING_HIGH_PATCH
// #define BOOT_OFFSET 82.9 // 82.63 - 83.26
// #define PULSE_COUNT 92
// #define BIT_OFFSET 2.65 // 2.58 - 2.75
// #define OVERRIDE 0.15
// #define HIGH_PATCH
// #define FOLLOWUP_OFFSET 272.8
// #define PULSE_COUNT_2 71
// #define BIT_OFFSET_2 2.88
// #define OVERRIDE_2 0.15
// #endif
// #ifdef SCPH_1000
// #define BIOS_PATCH
// #define HIGH_PATCH_A
// #define BOOT_OFFSET 82.9 // 82.63 - 83.26
// #define BIT_OFFSET 437.1 // 2.58 - 2.75
// #define OVERRIDE 0.15
// #define HIGH_PATCH
// #define FOLLOWUP_OFFSET 272.8
// #define PULSE_COUNT_2 71
// #define BIT_OFFSET_2 2.88
// #define OVERRIDE_2 0.15
// #endif
#ifdef SCPH_1000
#define BIOS_PATCH
#define INTERRUPT_RISING_HIGH_PATCH
#define HIGH_PATCH_B
#define BOOT_OFFSET 82.9 // 82.63 - 83.26
#define PULSE_COUNT 92
#define BIT_OFFSET 2.65 // 2.58 - 2.75
#define BIT_OFFSET 437.1 // 2.58 - 2.75
#define OVERRIDE 0.15
#define HIGH_PATCH
#define FOLLOWUP_OFFSET 272.8
#define PULSE_COUNT_2 71
#define BIT_OFFSET_2 2.88
#define BIT_OFFSET_2 336.05
#define OVERRIDE_2 0.15
#endif