grammar com.holycityaudio.spincad.SpinCAD with org.eclipse.xtext.common.Terminals

generate spinCAD "http://www.holycityaudio.com/spincad/SpinCAD"

Program:
	(equates += Equate*)
	(instructions += Instruction*)
	;
	
//-----------------------------------------------------------------------------	
Equate:
	EquDouble | EquInt	;

EquDouble:
	ename = ID 'EQU' value = SPINREAL
;

EquInt:
	ename = ID 'EQU' value = INT
;

Instruction:
	Inst_B15_S1_9 |
	Inst_B6_S1_14 |
	Inst_B6 |
	Inst_B24
	;

Inst_B6_S1_14:
	ReadRegister |
	WriteRegister |
	ReadRegisterFilter |
	Maxx |
	WriteRegisterHighPass |
	WriteRegisterLowPass
;

Inst_B15_S1_9:
	ReadDelay |
	WriteDelay 
;

Inst_B6:
	Mulx |
	Ldax
;

Inst_B24:
	And |
	Or |
	Xor
;

ReadRegister: 'RDAX' arg1 = INT ',' arg2 = SPINREAL;
WriteRegisterLowPass: 'WRLX' arg1 = INT ',' arg2 = SPINREAL;
WriteRegisterHighPass: 'WRHX' arg1 = INT ',' arg2 = SPINREAL;
WriteRegister: 'WRAX' arg1 = INT ',' arg2 = SPINREAL;
Maxx: 'MAXX' arg1 = INT ',' arg2 = SPINREAL;
ReadRegisterFilter: 'RDFX' arg1 = INT ',' arg2 = SPINREAL;
Mulx: 'MULX' arg1 = INT;
Ldax: 'LDAX' arg1 = INT;
WriteDelay: 'WRA' arg1 = INT ',' arg2 = SPINREAL;
ReadDelay: 'RDA' arg1 = INT ',' arg2 = SPINREAL;
And: 'AND' arg1 = INT;
Or: 'OR' arg1 = INT;
Xor: 'XOR' arg1 = INT;

//------------------------
terminal SPINREAL : ('0'..'1') '.' INT;