=Instructions=
Each opcode is 1 byte in size.

== 0x00 - 0x7F ==
Memory, Move, Function operators

=== 0x00 - 0x3F ===
00xx nnnn<br>
x = intermediate size (1 = 1 byte, 2 = 2 byte, 3 = 4 byte)<br>
n = command
{| class="wikitable"
|-
! Opcode !! Code !! Description
|-
| 0x13 || 0001 0011 nnnnnnnn || Writes n somewhere
|-
| 0x18 - 0x1F || 0001 1xxx nnnnnnnn || Execute the n function in set 
|-
| 0x28 - 0x2F || 0010 1xxx nnnnnnnn nnnnnnnn || Execute the n function in set
|}

=== 0x40 - 0x7F ===
Intermediate value reading.<br><br>
01xx ddnn<br>
x = intermediate size (1 = 1 byte, 2 = 2 byte, 3 = 4 byte)<br>
d = command<br>
n = subcommand
{| class="wikitable"
|-
! Opcode !! Code !! Description
|-
| 0x50 - 0x5F || 0101 xxxx nnnnnnnn || Writes n somewhere(stack?) (1 byte)
|-
| 0x60 - 0x6F || 0110 xxxx nnnnnnnn nnnnnnnn || Writes n somewhere(stack?) (2 byte)
|-
| 0x70 - 0x7F || 0111 xxxx nnnnnnnn nnnnnnnn nnnnnnnn nnnnnnnn || Writes n somewhere(stack?) (4 byte)
|}

== 0x80 - 0xBF (0x80 - 0xA6) ==
Arithmetic, Comparision/Relational, Logical, Bitwise, Compound assignment operators
{| class="wikitable"
|-
! Opcode !! Code !! Description
|-
| 0x80 || 1000 0000 || Read 
|-
| 0x81 || 1000 0001 || Write
|-
| 0x82 || 1000 0010 || PAKS accessor?
|-
| 0x83 || 1000 0011 || PAKS accessor?
|-
| 0x84 || 1000 0100 || PAKS accessor?
|-
| 0x85 || 1000 0101 || PAKS accessor?
|-
| 0x86 || 1000 0110 || PAKS accessor?
|-
| 0x87 || 1000 0111 || PAKS accessor?
|-
| 0x88 || 1000 1000 || !=
|-
| 0x89 || 1000 1001 || !=
|-
| 0x8A || 1000 1010 || >=
|-
| 0x8B || 1000 1011 || >
|-
| 0x8C || 1000 1100 || <=
|-
| 0x8D || 1000 1101 || <
|-
| 0x8E || 1000 1110 || ~
|-
| 0x8F || 1000 1111 || &=
|-
| 0x90 || 1001 0000 || |=
|-
| 0x91 || 1001 0001 || ^=
|-
| 0x92 || 1001 0010 || +=
|-
| 0x93 || 1001 0011 || -=
|-
| 0x94 || 1001 0100 || *=
|-
| 0x95 || 1001 0101 || /=
|-
| 0x96 || 1001 0110 || %=
|-
| 0x97 || 1001 0111 || <<=
|-
| 0x98 || 1001 1000 || >>=
|-
| 0x9D || 1001 1101 || float cast
|-
| 0x9E || 1001 1110 || signed cast
|-
| 0x9F || 1001 1111 || <=
|-
| 0xA0 || 1010 0000 || <
|-
| 0xA1 || 1010 0001 || >= (<= inverted)
|-
| 0xA2 || 1010 0010 || > (< inverted)
|-
| 0xA3 || 1010 0011 || +
|-
| 0xA4 || 1010 0100 || -
|-
| 0xA5 || 1010 0101 || *
|-
| 0xA6 || 1010 0110 || /
|}

== 0xC0 - 0xFF ==
Invalid

=Function Sets=
{| class="wikitable"
|-
! Position !! Function Count !! Description 
|-
| 140559C98 || 1 || Set 1 - Removed function
|-
| 140559CA0 || 5 || Set 2 - Memory functions (unused)
|-
| 140559CD0 || 466 || Set 3 - General Shenmue stuff
|-
| 140A4F1E0 || 1 || Set 4 - Unknown
|-
| 140A4F1E8 || 1 || Set 5 - Unknown
|-
| 140A4F1F0 || 47 || Set 6 - SCNF stuff
|}

== Function Set (140559CA0) ==
{| class="wikitable"
|-
! Function !! Description 
|-
| deleted || ? 
|-
| memset || memset
|-
| memcpy || memcpy 
|-
| strcpy || strcpy 
|-
| sub_14018FFE0 || Reads 140EB1B30
|}

== Function Set (140559CD0) ==
{| class="wikitable"
|-
! Function !! Description 
|-
| sub_140190350 || 
|-
| sub_14009B750 || 
|-
| sub_14009B790 || 
|-
| sub_14009B830 || 
|-
| sub_1401905B0 || 
|-
| sub_140177D30 || 
|-
| sub_1401B8460 || 
|-
| sub_14009B890 || 
|-
| sub_140190BC0 || 
|-
| sub_140190630 || 
|-
| sub_1401919B0 || 
|-
| sub_140191B60 || 
|-
| sub_1401953F0 || 
|-
| sub_140192370 || 
|-
| sub_140193750 || 
|-
| deleted || 
|-
| sub_1401937A0 || 
|-
| sub_1401937C0 || 
|-
| sub_1401938F0 || 
|-
| sub_140193920 || 
|-
| sub_140193980 || 
|-
| sub_140193990 || 
|-
| sub_1401939A0 || 
|-
| sub_140193A00 || 
|-
| sub_140194B70 || 
|-
| sub_140194E00 || 
|-
| sub_1401950F0 || 
|-
| sub_140195380 || 
|-
| sub_140195AB0 || 
|-
| sub_1401954A0 || 
|-
| sub_140195550 || 
|-
| sub_140196160 || 
|-
| sub_1401972C0 || 
|-
| sub_1401972D0 || 
|-
| sub_1401973E0 || 
|-
| sub_140197450 || 
|-
| sub_1401974F0 || 
|-
| sub_1402CBD90 || 
|-
| sub_1401AB600 || 
|-
| sub_1401ABE60 || 
|-
| sub_1401ADEF0 || 
|-
| sub_1401AE230 || 
|-
| sub_1401AE3A0 || 
|-
| sub_1401AE730 || 
|-
| sub_1401AE8A0 || 
|-
| sub_1401B4210 || 
|-
| sub_1401B7270 || 
|-
| sub_1401B7450 || 
|-
| sub_1401B8100 || 
|-
| sub_1401B8150 || 
|-
| sub_1401B8250 || 
|-
| sub_1401975F0 || 
|-
| sub_1401976A0 || 
|-
| sub_140191D10 || 
|-
| sub_140192000 || 
|-
| sub_1401ACE20 || 
|-
| deleted || 
|-
| deleted || 
|-
| deleted || 
|-
| sub_1401A8EF0 || 
|-
| sub_1401A8F20 || 
|-
| sub_1401A9000 || 
|-
| sub_1401A9080 || 
|-
| sub_1401AE0C0 || 
|-
| sub_1401B4500 || 
|-
| sub_1401AE6B0 || 
|-
| sub_140195C90 || 
|-
| sub_140193A80 || 
|-
| sub_1401B55D0 || 
|-
| sub_1401977A0 || 
|-
| sub_1401A2EE0 || 
|-
| sub_1401A34C0 || 
|-
| sub_1401B7470 || 
|-
| sub_1401B7530 || 
|-
| sub_1401B75B0 || 
|-
| sub_1401C1E10 || 
|-
| sub_140190D30 || 
|-
| sub_1401ADC20 || 
|-
| sub_140190A90 || 
|-
| sub_14018FA80 || 
|-
| sub_140198720 || 
|-
| sub_1401B4550 || 
|-
| sub_1401B45C0 || 
|-
| sub_1401B4650 || 
|-
| sub_1401B4660 || 
|-
| sub_1401BED00 || 
|-
| sub_1401BED30 || 
|-
| sub_1401BEDC0 || 
|-
| sub_1401BEDE0 || 
|-
| sub_140194530 || 
|-
| sub_1401BEE40 || 
|-
| sub_1401BEE50 || 
|-
| sub_1401978E0 || 
|-
| sub_1401ACE90 || 
|-
| sub_1401B8370 || 
|-
| sub_1401B8390 || 
|-
| sub_140191CD0 || 
|-
| sub_1401AAE20 || 
|-
| sub_1401AAE10 || 
|-
| sub_1401AAC00 || 
|-
| sub_1401AAC70 || 
|-
| sub_1401AACE0 || 
|-
| sub_1401AAE30 || 
|-
| sub_1401AAE70 || 
|-
| sub_1401AAEA0 || 
|-
| sub_140195DB0 || 
|-
| sub_1401B78D0 || 
|-
| sub_1401B7C00 || 
|-
| sub_140193C00 || 
|-
| sub_1401B7620 || 
|-
| sub_140194D20 || 
|-
| sub_140193D00 || 
|-
| sub_1401962B0 || 
|-
| sub_1401B7770 || 
|-
| sub_1401ABF20 || 
|-
| sub_1401AC1E0 || 
|-
| deleted || 
|-
| sub_1401AE9A0 || 
|-
| sub_1400A9420 || 
|-
| sub_1400A9430 || 
|-
| sub_1400A9440 || 
|-
| sub_1400A9450 || 
|-
| sub_1400A9460 || 
|-
| sub_1400A9470 || 
|-
| sub_1400A9480 || 
|-
| sub_1400A94A0 || 
|-
| ... || 
|}

== Function Set (140A4F1F0) ==
{| class="wikitable"
|-
! Function !! Description 
|-
| sub_140191580 || 
|-
| sub_1401915C0 || 
|-
| sub_1401A8DC0 || 
|-
| sub_1401A8E60 || 
|-
| sub_14000F380 || 
|-
| sub_14000F380 || 
|-
| sub_1401A9240 || 
|-
| sub_1401A92A0 || 
|-
| sub_1401A9440 || 
|-
| sub_1401A9460 || 
|-
| sub_1401A9470 || 
|-
| sub_1401A94D0 || 
|-
| sub_1401916A0 || 
|-
| sub_1401916A0 || 
|-
| sub_1401A91D0 || 
|-
| sub_1401A9200 || 
|-
| sub_140196560 || 
|-
| sub_140196760 || 
|-
| sub_1401A9190 || 
|-
| sub_1401A91B0 || 
|-
| sub_1401966A0 || 
|-
| sub_140196760 || 
|-
| sub_1401A9520 || 
|-
| sub_1401A9570 || 
|-
| sub_1401A9590 || 
|-
| sub_1401A95C0 || 
|-
| sub_1401A9150 || 
|-
| sub_1401A9170 || 
|-
| sub_1401A94D0 || 
|-
| sub_1401A9470 || 
|-
| sub_1401A9240 || 
|-
| sub_1401A92A0 || 
|-
| sub_1401A9240 || 
|-
| sub_1401A92A0 || 
|-
| sub_1401A92C0 || 
|-
| sub_1401A9380 || 
|-
| sub_1401A9B50 || 
|-
| sub_1401A9BB0 || 
|-
| sub_1401A9460 || 
|}