Editing PS2bootparam.dat

<big>PS2 boot param file stored in dev_hdd0/tmp/game/ps2bootparam.dat used to pass settings from GameOS to emulator after unloading LV2.
</big>
===File layout===
{| class="wikitable"
|-
! Name !! offset !! size !! type !! notes
|-
| rtc_epoch || 0x00 || 0x08 || u64 || time since epoch in seconds (GMT)
|-
| target_id || 0x08 || 0x02 || u16 || [[Product_Code]]
|-
| toggle_XO || 0x0A || 0x01 || u8 || 1 - (X enter and O back), 0 - (O enter and X back)
|-
| boot_type || 0x0B || 0x01 || u8 || known used value 0x00 (hdd install?) / 0x01 / 0x02 / 0x03 ("2P" classic)
|-
| ps2_title_id || 0x0C || unk (at least 0x0A) || string || SLES50920
|-
| _ || 0x2C || 0x01 || u8 || _
|-
| system_lang || 0x2D || 0x01 || u8 || 2 digits code from  [[Languages]] is used (in hex form)
|-
| time_zone || 0x2E || 0x02 || u16 || sys_time_get_timezone(), offset from GMT in minutes. Used as signed 11 bit value, can be read from ps2 GetOsdConfigParam/SetOsdConfigParam.
|-
| summer_time || 0x30 || 0x01 || u8 || "/setting/dateTime/summerTime", known value 0.
|-
| net_device || 0x31 || 0x01 || u8 || xsettings "/setting/net/device", known value 1 (enabled wifi?)
|-
| wlan_ssid || 0x32 || 0x20 || string || 32 characters
|-
| _ || 0x52 || 0x01 || u8 || always 0 seems to be used as null terminator for wlan_ssid
|-
| net_authProto || 0x53 || 0x01 || u8 || "/setting/net/authProto", known value 7 (wlan encryption type?)
|-
| wlan_pass || 0x54 || 0x40 || string || max 64 bytes
|-
| _ || 0x94 || 0x01 || u8 || always 0 seems to be used as null terminator for wlan_pass
|-
| _ || 0x98 || 0x04 || unk || _
|-
| _ || 0x9C || 0x01 || u8 || _
|-
| _ || 0x9E || 0x02 || u16 || _
|-
| _ || 0xA0 || 0x04 || unk || _
|-
| _ || 0xA4 || 0x01 || u8 || _
|-
| _ || 0xA6 || 0x02 || u16 || _
|-
| _ || 0xA8 || 0x04 || unk || _
|-
| _ || 0xAC || 0x01 || u8 || _
|-
| _ || 0xAE || 0x02 (?) || unk || _
|-
| color_space || 0x118 || 0x02 || u16 || /setting/display/colorSpace
|-
| video_mode || 0x11A || 0x02 || u16 bitfield || Using CellVideoOutDisplayMode derived from CellVideoOutDeviceInfo (or'ed in loop for all available modes(max32)).
 CELL_VIDEO_OUT_RESOLUTION_480:
   0x0001 = CELL_VIDEO_OUT_ASPECT_4_3 | CELL_VIDEO_OUT_SCAN_MODE_PROGRESSIVE
   0x0002 = CELL_VIDEO_OUT_ASPECT_4_3 | CELL_VIDEO_OUT_SCAN_MODE_INTERLACE
   0x0004 = CELL_VIDEO_OUT_ASPECT_16_9 | CELL_VIDEO_OUT_SCAN_MODE_PROGRESSIVE
   0x0008 = CELL_VIDEO_OUT_ASPECT_16_9 | CELL_VIDEO_OUT_SCAN_MODE_INTERLACE
   
 CELL_VIDEO_OUT_RESOLUTION_576:
   0x0010 = CELL_VIDEO_OUT_ASPECT_4_3 | CELL_VIDEO_OUT_SCAN_MODE_PROGRESSIVE
   0x0020 = CELL_VIDEO_OUT_ASPECT_4_3 | CELL_VIDEO_OUT_SCAN_MODE_INTERLACE
   0x0040 = CELL_VIDEO_OUT_ASPECT_16_9 | CELL_VIDEO_OUT_SCAN_MODE_PROGRESSIVE
   0x0080 = CELL_VIDEO_OUT_ASPECT_16_9 | CELL_VIDEO_OUT_SCAN_MODE_INTERLACE
   
 CELL_VIDEO_OUT_RESOLUTION_720:
   0x0200 = CELL_VIDEO_OUT_REFRESH_RATE_59_94HZ
   0x1000 = CELL_VIDEO_OUT_REFRESH_RATE_50HZ
   
 CELL_VIDEO_OUT_RESOLUTION_1080:
   0x0100 = CELL_VIDEO_OUT_REFRESH_RATE_59_94HZ | CELL_VIDEO_OUT_SCAN_MODE_PROGRESSIVE
   0x0400 = CELL_VIDEO_OUT_REFRESH_RATE_59_94HZ | CELL_VIDEO_OUT_SCAN_MODE_INTERLACE
   0x0800 = CELL_VIDEO_OUT_REFRESH_RATE_50HZ | CELL_VIDEO_OUT_SCAN_MODE_PROGRESSIVE
   0x2000 = CELL_VIDEO_OUT_REFRESH_RATE_50HZ | CELL_VIDEO_OUT_SCAN_MODE_INTERLACE
|-
| display_type || 0x11C || 0x01 || u8 || _
|-
| sound_type || 0x11D || 0x01 || u8 || 
|-
| _ || 0x11E || unk || string || _
|-
| screen_saver_start_time || 0x220 || 0x04 || u32 || 300/600/1200/1800 depending on /setting/display/screenSaver/startTime
|-
| net_enable || 0x224 || 0x01 || u8 || xregistry "/setting/net/enable"
|-
| _ || 0x225 || 0x01 || u8 || xregistry "/setting/net/aoss/aossFlag"
|-
| _ || 0x226 || 0x188 || unk || _
|-
| _ || 0x246 || 0x1 || u8 || _
|-
| _ || 0x3AF || 0x04 || unk || _
|-
| _ || 0x3B3 || 0x04 || unk || _
|-
| _ || 0x3B7 || 0x01 || unk || _
|-
| _ || 0x3BB || 0x04 || unk || _
|-
| _ || 0x3BC || 0x04 || unk || _
|-
| _ || 0x3C0 || 0x04 || unk || _
|-
| _ || 0x3CC || 0x80 || unk || _
|-
| _ || 0x44C || 0x80 || unk || _
|-
| up_convert || 0x4CC || 0x01 || u8 || /setting/game/emuUpConvert
|-
| smoothing || 0x4CD || 0x01 || u8 || /setting/game/emuSmoothing	
|-
| rgb_output_range || 0x4CE || 0x01 || u8 || /setting/display/rgbOutputRange
|-
| _ || 0x4D0 || 0x08 || u64 || known value 0x800000001000007
|-
| _ || 0x4D8 || 0x01 || u8 || if (vsh::GetReleaseTarget(void) == 6) then 3. else 1
|-
| vibration_enable || 0x4E0 || 0x01 || u8 || /setting/pad/vibrationEnable
|-
| auto_power_off || 0x4E4 || 0x04 || u32 || In seconds. Using value from /setting/system/autoPowerOff x 3600. When /setting/system/autoPowerOffDebug is not zero different value is used. Set to 0 if /setting/system/autoPowerOffEx is 0
|-
| pad_auto_power_off || 0x4E8 || 0x01 || u8 || Using value from /setting/pad/autoPowerOff. When /setting/system/autoPowerOffDebug is not zero value 0xFF is used.
|-
| || || || ||
|-
|}
Note: This table for now only cover first 0x4F0 of file, next block are controllers settings.
<br>Current layout of this file is very different than the one above.

{{File Formats}}
<noinclude>[[Category:Main]]</noinclude>