Shenmue Script

Instructions

Each opcode is 1 byte in size.

0x00 - 0x7F

Memory, Move, Function operators

0x00 - 0x3F

0000 0xxx
x = intermediate size (1 = 1 byte, 2 = 2 byte, >3 = 4 byte)

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.

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

Arithmetic, Comparision/Relational, Logical, Bitwise, Compound assignment operators

Opcode	Code	Description
0x80	1000 0000	Read
0x81	1000 0001	Write
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

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)

Function	Description
deleted	?
memset	memset
memcpy	memcpy
strcpy	strcpy
sub_14018FFE0	Reads 140EB1B30

Function Set (140559CD0)

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)

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