PTSL/instrtable

Instruction table for PTSL

PTSL instruction table

ID	Opcode	Definition
00	DROP	SP--
01	DUP	[SP++] = [SP]
02	SWAP	swap [SP-1] [SP]
03	PUSHI32 data	[SP++] = [DATA:32]
04	PUSHI24 data	[SP++] = [DATA:24]
05	PUSHI16 data	[SP++] = [DATA:16]
06	PUSHI8 data	[SP++] = [DATA:8]
07	LOADI32	[SP] = MEM[[SP]:32]
08	LOADI24	[SP] = MEM[[SP]:24]
09	LOADI16	[SP] = MEM[[SP]:16]
0A	LOADI8	[SP] = MEM[[SP]:8]
0B	JUMP	PC = [SP--]
0C	JPIF	IF [SP--] { PC = [SP--] }
0D	ADDI8	[SP] = [SP] + [DATA:8]
0E	ADD	[SP--] = [SP-1] + [SP-2]
0F	ADC
10	SUBVI8	[SP--] = [SP-1] - [DATA:8]
11	SUBI8V	[SP--] = [DATA:8] - [SP-1]
12	SUB	[SP--] = [SP-1] - [SP-2]
13	SBB
14	8BCRRY
15	16BCRRY
16	32BCRRY
17	CALLI32	[RSP++] = PC; PC = [DATA:I32]
18	CALL	[RSP++] = PC; PC = [SP--]
19	PUSHRS	[RSP++] = [SP--]
1A	PEEKRS	[SP++] = [RSP]
1B	POPRS	[SP++] = [RSP--]
1C	PUSHRSP	[SP++] = RSP
1D	POPRSP	RSP = [SP--]
1E	ALLOCP	Request memory page from OS
1F	MAPDEV	Map device [SP-1] to page [SP-2].
20	COPY	Fast copy, provided by OS. [SP-1] = Length, [SP-2] = Source, [SP-3] = Dest
21	JPRELI8	PC = PC + [SDATA:8]
22	JPRELI16	PC = PC + [SDATA:16]
23	JPREL	PC = PC + [SP--]
24	RET	PC = [RSP--]
25	GREQ	[SP--] = [SP-1] >= [SP-2] (Signed)
26	LEEQ	[SP--] = [SP-1] <= [SP-2] (Signed)
27	GRTR	[SP--] = [SP-1] > [SP-2] (Signed)
28	LESS	[SP--] = [SP-1] < [SP-2] (Signed)
29	ABEQ	[SP--] = [SP-1] >= [SP-2] (Unsigned)
2A	BLEQ	[SP--] = [SP-1] <= [SP-2] (Unsigned)
2B	ABOV	[SP--] = [SP-1] > [SP-2] (Unsigned)
2C	BELO	[SP--] = [SP-1] < [SP-2] (Unsigned)
2D	STORI32	MEM[[SP]:32] = [SP--]
2E	STORI24	MEM[[SP]:24] = [SP--]
2F	STORI16	MEM[[SP]:16] = [SP--]
30	STORI8	MEM[[SP]:8] = [SP--]
31	NOT	[SP] = ![SP]
32	AND	[SP--] = [SP-1] & [SP-2]
33	OR	[SP-2]
34	XOR	[SP--] = [SP-1] ^ [SP-2]
35	MUL	[SP--] = [SP-1] * [SP-2]
36	DIVMOD	A = [SP-1] / [SP-2]; [SP-1] = [SP-1] % [SP-2]; [SP] = A
37	SHL	[SP--] = [SP-1] << [SP-2]
38	SHR	[SP--] = [SP-1] >> [SP-2]
39	SHRA	[SP--] = [SP-1] >>> [SP-2]
3A	SHL8	[SP] = [SP] << 8
3B	SHL16	[SP] = [SP] << 16
3C	SHL24	[SP] = [SP] << 24
3D	PUSH1	[SP++] = 1
3E	SETQC	[QUICKCONST] = [DATA:32]
3F	GETQC32	[SP++] = [QUICKCONST:32]
40	GETQC16	[SP++] = [QUICKCONST:16]
41	GETQC8	[SP++] = [QUICKCONST:8]
42	MXCHG	swap [SP-1] MEM[[SP--]:32]
43	SETSP	SP = [SP]
44	SYSINF	Writes system info to address pointed to by [SP--]. Must be a 256 byte space.
45	PUSH0	[SP++] = 0
46	BITSET
47	BITGET
48	BITFLIP
49	JMPTOASM	Execute system specific assembly code at location pointed to by [SP--]
4A	CALLASM	Same as JMPTOASM, but provides a return value in a system dependent register.
4B	MSET32	Set the region specified by [SP-1] of length [SP-2] to [SP-3:32]. Undefined behavior if region length is not multiple of 4
4C	MSET16	Set the region specified by [SP-1] of length [SP-2] to [SP-3:16]. Undefined behavior if region length is not multiple of 2
4D	MSET8	Set the region specified by [SP-1] of length [SP-2] to [SP-3:8].
4E	SHL1	[SP] = [SP] << 1
4F	SHR1	[SP] = [SP] >> 1
50	SHLI8	[SP] = [SP] << [DATA:8]
51	SHRI8	[SP] = [SP] >> [DATA:8]
52	OVER	[SP++] = [SP-1]
53	ROT	rotate [SP], [SP-1], [SP-2]
FF	EXPLD	System prints "BANG!" to display, halts. May also play noise from system speaker if one is present.