fixed bug in distortion when using stereo and sample&hold.

4klang_source/4klang.asm

@@ -763,9 +763,10 @@ go4kDST_func_do:
 	fst		dword [WRK+go4kDST_wrk.snhphase]
 	fldz									; //	0		snh'	in		(inr)
 	fucomip	st1								; //	snh'	in		(inr)
+	fstp    dword [esp-4]					; //	in		(inr)
 	jc		short go4kDST_func_hold			
-	fld1									; //	1		snh'	in		(inr)
+	fld1									; //	1		in		(inr)
-	faddp	st1, st0						; //	1+snh'	in		(inr)
+	fadd	dword [esp-4]					; //	1+snh'	in		(inr)
 	fstp	dword [WRK+go4kDST_wrk.snhphase]; // 	in		(inr)
 %endif	
 ; // calc pregain and postgain	
@@ -794,13 +795,12 @@ go4kDST_func_mono:
 %endif	
 	ret										; // 	out'	(outr)
 %ifdef	GO4K_USE_DST_SH
-go4kDST_func_hold:							; //	snh'	in		(inr)
+go4kDST_func_hold:							; //	in		(inr)
-	fstp	st0								; // 	in		(inr)
 	fstp	st0								; // 	(inr)
 %ifdef GO4K_USE_DST_STEREO
-	fstp	st0
 	test	al, byte STEREO					
-	jz		short go4kDST_func_monohold
+	jz		short go4kDST_func_monohold		; // 	(inr)
+	fstp	st0								; // 	
 	fld		dword [WRK+go4kDST_wrk.out2]	; // 	outr
 go4kDST_func_monohold:	
 %endif	

4klang_source/Go4kVSTi/win/4klang.asm

@@ -763,9 +763,10 @@ go4kDST_func_do:
 	fst		dword [WRK+go4kDST_wrk.snhphase]
 	fldz									; //	0		snh'	in		(inr)
 	fucomip	st1								; //	snh'	in		(inr)
+	fstp    dword [esp-4]					; //	in		(inr)
 	jc		short go4kDST_func_hold			
-	fld1									; //	1		snh'	in		(inr)
+	fld1									; //	1		in		(inr)
-	faddp	st1, st0						; //	1+snh'	in		(inr)
+	fadd	dword [esp-4]					; //	1+snh'	in		(inr)
 	fstp	dword [WRK+go4kDST_wrk.snhphase]; // 	in		(inr)
 %endif	
 ; // calc pregain and postgain	
@@ -794,13 +795,12 @@ go4kDST_func_mono:
 %endif	
 	ret										; // 	out'	(outr)
 %ifdef	GO4K_USE_DST_SH
-go4kDST_func_hold:							; //	snh'	in		(inr)
+go4kDST_func_hold:							; //	in		(inr)
-	fstp	st0								; // 	in		(inr)
 	fstp	st0								; // 	(inr)
 %ifdef GO4K_USE_DST_STEREO
-	fstp	st0
 	test	al, byte STEREO					
-	jz		short go4kDST_func_monohold
+	jz		short go4kDST_func_monohold		; // 	(inr)
+	fstp	st0								; // 	
 	fld		dword [WRK+go4kDST_wrk.out2]	; // 	outr
 go4kDST_func_monohold:	
 %endif	

4klang_source/Go4kVSTi/win/Go4kVSTi.sln

@@ -1,5 +1,5 @@
-Microsoft Visual Studio Solution File, Format Version 11.00
+Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2010
+# Visual Studio 14
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "4klang", "Go4kVSTi.vcxproj", "{107757EA-2FE1-4C5E-964F-DE7E482E253F}"
 EndProject
 Project("{D3783134-2AE6-4F36-A599-989377222068}") = "4klang2", "Go4kVSTi2.vcxproj", "{FA790F08-0B8E-43D9-A4B4-519AB01B820C}"

README.md

@@ -14,6 +14,9 @@ The repository contains the folders:
 - 4klang_source (the VSTi source as well as the needed 4klang.asm file for compilation in your exe)
 
 The plugin project here is based on Visual Studio 2015, so that and above should compile out of the box.
+The only additional thing you need for compilation is YASM/vsyasm, so download and follow the instructions here to get it running:
+
+https://github.com/ShiftMediaProject/VSYASM
 
 Examples
 --------