diff --git a/programs/develop/libraries/TinyGL/asm_fork/api.asm b/programs/develop/libraries/TinyGL/asm_fork/api.asm
index e1a04b96b8..b7144a2f21 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/api.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/api.asm
@@ -563,6 +563,31 @@ endl
 	ret
 endp
 
+align 4
+proc glOrtho uses eax, left:qword, right:qword, bottom:qword, top:qword,\
+	near:qword, farv:qword
+locals
+	p rd 7
+endl
+	mov dword[p],OP_Ortho
+	fld qword[left]
+	fstp dword[p+4]
+	fld qword[right]
+	fstp dword[p+8]
+	fld qword[bottom]
+	fstp dword[p+12]
+	fld qword[top]
+	fstp dword[p+16]
+	fld qword[near]
+	fstp dword[p+20]
+	fld qword[farv]
+	fstp dword[p+24]
+
+	lea eax,[ebp-28] ;=sizeof(dd)*7
+	stdcall gl_add_op,eax
+	ret
+endp
+
 ; lightening
 
 align 4
diff --git a/programs/develop/libraries/TinyGL/asm_fork/examples/test0.asm b/programs/develop/libraries/TinyGL/asm_fork/examples/test0.asm
index 005118b545..a4aedf6cb0 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/examples/test0.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/examples/test0.asm
@@ -1,16 +1,13 @@
 use32
-	org 0x0
+	org 0
 	db 'MENUET01'
-	dd 0x1
-	dd start
-	dd i_end
-	dd mem,stacktop
-	dd 0,cur_dir_path
+	dd 1,start,i_end,mem,stacktop,0,cur_dir_path
 
-include '../../../../../../programs/proc32.inc'
-include '../../../../../../programs/macros.inc'
-include '../../../../../../programs/develop/libraries/box_lib/load_lib.mac'
-include '../../../../../../programs/dll.inc'
+include '../../../../../proc32.inc'
+include '../../../../../macros.inc'
+include '../../../../../KOSfuncs.inc'
+include '../../../../../develop/libraries/box_lib/load_lib.mac'
+include '../../../../../dll.inc'
 include '../opengl_const.inc'
 
 @use_library
@@ -19,10 +16,10 @@ align 4
 start:
 	load_library name_tgl, cur_dir_path, library_path, system_path, \
 		err_message_found_lib, head_f_l, import_lib_tinygl, err_message_import, head_f_i
-	cmp eax,-1
+	cmp eax,SF_TERMINATE_PROCESS
 	jz button.exit
 
-	mcall 40,0x27
+	mcall SF_SET_EVENTS_MASK,0x27
 
 stdcall [kosglMakeCurrent], 10,10,300,225,ctx1
 stdcall [glEnable], GL_DEPTH_TEST
@@ -34,9 +31,9 @@ align 4
 red_win:
 	call draw_window
 
-align 4
+align 16
 still:
-	mcall 10
+	mcall SF_CHECK_EVENT
 	cmp al,1
 	jz red_win
 	cmp al,2
@@ -48,19 +45,19 @@ still:
 align 4
 draw_window:
 	pushad
-	mcall 12,1
+	mcall SF_REDRAW,SSF_BEGIN_DRAW
 
 	mov edx,0x33ffffff ;0x73ffffff
-	mcall 0,(50 shl 16)+330,(30 shl 16)+275,,,caption
-	stdcall [kosglSwapBuffers]
+	mcall SF_CREATE_WINDOW,(50 shl 16)+330,(30 shl 16)+275,,,caption
+	call [kosglSwapBuffers]
 
-	mcall 12,2
+	mcall SF_REDRAW,SSF_END_DRAW
 	popad
 	ret
 
 align 4
 key:
-	mcall 2
+	mcall SF_GET_KEY
 
 	cmp ah,27 ;Esc
 	je button.exit
@@ -73,7 +70,7 @@ key:
 		fadd dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 	cmp ah,179 ;Right
 	jne @f
@@ -81,31 +78,28 @@ key:
 		fsub dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 
 	jmp still
 
 align 4
 button:
-	mcall 17
+	mcall SF_GET_BUTTON
 	cmp ah,1
 	jne still
 .exit:
-	mcall -1
+	mcall SF_TERMINATE_PROCESS
 
 
 align 4
 caption db 'Test tinygl library, [Esc] - exit, [<-] and [->] - rotate',0
-align 4
-ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
-;sizeof.TinyGLContext = 28
 
 align 4
 draw_3d:
 stdcall [glClear], GL_COLOR_BUFFER_BIT + GL_DEPTH_BUFFER_BIT ;очистим буфер цвета и глубины
 
-stdcall [glPushMatrix]
+call [glPushMatrix]
 	stdcall [glRotatef], [angle_z],0.0,0.0,1.0
 
 	stdcall [glColor3f],1.0, 0.0, 0.0
@@ -118,7 +112,7 @@ stdcall [glPushMatrix]
 	stdcall [glVertex3f], -0.354,-0.354, 0.1
 	stdcall [glVertex3f], -0.5,   0.0, 0.1
 	stdcall [glVertex3f], -0.354, 0.354, 0.1
-	stdcall [glEnd]
+	call [glEnd]
 
 	stdcall [glBegin],GL_LINES
 	stdcall [glVertex3f], 0,      0.7, 0.3
@@ -131,9 +125,9 @@ stdcall [glPushMatrix]
 	stdcall [glVertex3f], -0.7,   0.0, 0.3
 	stdcall [glColor3f],1.0, 0.0, 0.0
 	stdcall [glVertex3f], -0.495, 0.495, 0.7
-	stdcall [glEnd]
+	call [glEnd]
 
-stdcall [glPopMatrix]
+call [glPopMatrix]
 ret
 
 angle_z dd 0.0
@@ -158,17 +152,21 @@ include '../export.inc'
 ;--------------------------------------------------
 system_path db '/sys/lib/'
 name_tgl db 'tinygl.obj',0
-err_message_found_lib db 'Sorry I cannot load library tinygl.obj',0
+
 head_f_i:
-head_f_l db 'System error',0
-err_message_import db 'Error on load import library tinygl.obj',0
+head_f_l db '"System error',0
+err_message_import db 'Error on load import library ',39,'tinygl.obj',39,'" -tE',0
+err_message_found_lib db 'Sorry I cannot load library ',39,'tinygl.obj',39,'" -tE',0
 ;--------------------------------------------------
 
+align 16
 i_end:
+ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
+;sizeof.TinyGLContext = 28
 	rb 1024
 stacktop:
 cur_dir_path:
 	rb 4096
 library_path:
 	rb 4096
-mem:
\ No newline at end of file
+mem:
diff --git a/programs/develop/libraries/TinyGL/asm_fork/examples/test1.asm b/programs/develop/libraries/TinyGL/asm_fork/examples/test1.asm
index b8ef4de948..2b90d59f32 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/examples/test1.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/examples/test1.asm
@@ -1,16 +1,13 @@
 use32
-	org 0x0
+	org 0
 	db 'MENUET01'
-	dd 0x1
-	dd start
-	dd i_end
-	dd mem,stacktop
-	dd 0,cur_dir_path
+	dd 1,start,i_end,mem,stacktop,0,cur_dir_path
 
-include '../../../../../../programs/proc32.inc'
-include '../../../../../../programs/macros.inc'
-include '../../../../../../programs/develop/libraries/box_lib/load_lib.mac'
-include '../../../../../../programs/dll.inc'
+include '../../../../../proc32.inc'
+include '../../../../../macros.inc'
+include '../../../../../KOSfuncs.inc'
+include '../../../../../develop/libraries/box_lib/load_lib.mac'
+include '../../../../../dll.inc'
 include '../opengl_const.inc'
 
 @use_library
@@ -19,10 +16,10 @@ align 4
 start:
 	load_library name_tgl, cur_dir_path, library_path, system_path, \
 		err_message_found_lib, head_f_l, import_lib_tinygl, err_message_import, head_f_i
-	cmp eax,-1
+	cmp eax,SF_TERMINATE_PROCESS
 	jz button.exit
 
-	mcall 40,0x27
+	mcall SF_SET_EVENTS_MASK,0x27
 
 stdcall [kosglMakeCurrent], 10,10,300,225,ctx1
 stdcall [glEnable], GL_DEPTH_TEST
@@ -33,9 +30,9 @@ align 4
 red_win:
 	call draw_window
 
-align 4
+align 16
 still:
-	mcall 10
+	mcall SF_CHECK_EVENT
 	cmp al,1
 	jz red_win
 	cmp al,2
@@ -47,19 +44,19 @@ still:
 align 4
 draw_window:
 	pushad
-	mcall 12,1
+	mcall SF_REDRAW,SSF_BEGIN_DRAW
 
 	mov edx,0x33ffffff ;0x73ffffff
-	mcall 0,(50 shl 16)+330,(30 shl 16)+275,,,caption
-	stdcall [kosglSwapBuffers]
+	mcall SF_CREATE_WINDOW,(50 shl 16)+330,(30 shl 16)+275,,,caption
+	call [kosglSwapBuffers]
 
-	mcall 12,2
+	mcall SF_REDRAW,SSF_END_DRAW
 	popad
 	ret
 
 align 4
 key:
-	mcall 2
+	mcall SF_GET_KEY
 
 	cmp ah,27 ;Esc
 	je button.exit
@@ -72,7 +69,7 @@ key:
 		fadd dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 	cmp ah,179 ;Right
 	jne @f
@@ -80,31 +77,28 @@ key:
 		fsub dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 
 	jmp still
 
 align 4
 button:
-	mcall 17
+	mcall SF_GET_BUTTON
 	cmp ah,1
 	jne still
 .exit:
-	mcall -1
+	mcall SF_TERMINATE_PROCESS
 
 
 align 4
 caption db 'Test tinygl library, [Esc] - exit, [<-] and [->] - rotate',0
-align 4
-ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
-;sizeof.TinyGLContext = 28
 
 align 4
 draw_3d:
 stdcall [glClear], GL_COLOR_BUFFER_BIT + GL_DEPTH_BUFFER_BIT ;очистим буфер цвета и глубины
 
-stdcall [glPushMatrix]
+call [glPushMatrix]
 	stdcall [glRotatef], [angle_z],0.0,0.0,1.0
 
 	stdcall [glScalef], 0.3,0.3,0.3
@@ -133,7 +127,7 @@ stdcall [glPushMatrix]
 		stdcall [glVertex3f], -0.778, 0.778, 0.1
 	stdcall [glEnd]
 
-stdcall [glPopMatrix]
+call [glPopMatrix]
 ret
 
 angle_z dd 0.0
@@ -158,13 +152,17 @@ include '../export.inc'
 ;--------------------------------------------------
 system_path db '/sys/lib/'
 name_tgl db 'tinygl.obj',0
-err_message_found_lib db 'Sorry I cannot load library tinygl.obj',0
+
 head_f_i:
-head_f_l db 'System error',0
-err_message_import db 'Error on load import library tinygl.obj',0
+head_f_l db '"System error',0
+err_message_import db 'Error on load import library ',39,'tinygl.obj',39,'" -tE',0
+err_message_found_lib db 'Sorry I cannot load library ',39,'tinygl.obj',39,'" -tE',0
 ;--------------------------------------------------
 
+align 16
 i_end:
+ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
+;sizeof.TinyGLContext = 28
 	rb 1024
 stacktop:
 cur_dir_path:
diff --git a/programs/develop/libraries/TinyGL/asm_fork/examples/test2.asm b/programs/develop/libraries/TinyGL/asm_fork/examples/test2.asm
index 105eef20bb..c328daed5b 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/examples/test2.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/examples/test2.asm
@@ -1,16 +1,13 @@
 use32
-	org 0x0
+	org 0
 	db 'MENUET01'
-	dd 0x1
-	dd start
-	dd i_end
-	dd mem,stacktop
-	dd 0,cur_dir_path
+	dd 1,start,i_end,mem,stacktop,0,cur_dir_path
 
-include '../../../../../../programs/proc32.inc'
-include '../../../../../../programs/macros.inc'
-include '../../../../../../programs/develop/libraries/box_lib/load_lib.mac'
-include '../../../../../../programs/dll.inc'
+include '../../../../../proc32.inc'
+include '../../../../../macros.inc'
+include '../../../../../KOSfuncs.inc'
+include '../../../../../develop/libraries/box_lib/load_lib.mac'
+include '../../../../../dll.inc'
 include '../opengl_const.inc'
 
 @use_library
@@ -19,10 +16,10 @@ align 4
 start:
 	load_library name_tgl, cur_dir_path, library_path, system_path, \
 		err_message_found_lib, head_f_l, import_lib_tinygl, err_message_import, head_f_i
-	cmp eax,-1
+	cmp eax,SF_TERMINATE_PROCESS
 	jz button.exit
 
-	mcall 40,0x27
+	mcall SF_SET_EVENTS_MASK,0x27
 
 stdcall [kosglMakeCurrent], 10,10,300,225,ctx1
 stdcall [glEnable], GL_DEPTH_TEST
@@ -63,9 +60,9 @@ align 4
 red_win:
 	call draw_window
 
-align 4
+align 16
 still:
-	mcall 10
+	mcall SF_CHECK_EVENT
 	cmp al,1
 	jz red_win
 	cmp al,2
@@ -77,19 +74,19 @@ still:
 align 4
 draw_window:
 	pushad
-	mcall 12,1
+	mcall SF_REDRAW,SSF_BEGIN_DRAW
 
 	mov edx,0x33ffffff ;0x73ffffff
-	mcall 0,(50 shl 16)+330,(30 shl 16)+275,,,caption
-	stdcall [kosglSwapBuffers]
+	mcall SF_CREATE_WINDOW,(50 shl 16)+330,(30 shl 16)+275,,,caption
+	call [kosglSwapBuffers]
 
-	mcall 12,2
+	mcall SF_REDRAW,SSF_END_DRAW
 	popad
 	ret
 
 align 4
 key:
-	mcall 2
+	mcall SF_GET_KEY
 
 	cmp ah,27 ;Esc
 	je button.exit
@@ -102,7 +99,7 @@ key:
 		fadd dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 	cmp ah,179 ;Right
 	jne @f
@@ -110,31 +107,28 @@ key:
 		fsub dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 
 	jmp still
 
 align 4
 button:
-	mcall 17
+	mcall SF_GET_BUTTON
 	cmp ah,1
 	jne still
 .exit:
-	mcall -1
+	mcall SF_TERMINATE_PROCESS
 
 
 align 4
 caption db 'Test tinygl library, [Esc] - exit, [<-] and [->] - rotate',0
-align 4
-ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
-;sizeof.TinyGLContext = 28
 
 align 4
 draw_3d:
 stdcall [glClear], GL_COLOR_BUFFER_BIT + GL_DEPTH_BUFFER_BIT ;очистим буфер цвета и глубины
 
-stdcall [glPushMatrix]
+call [glPushMatrix]
 	stdcall [glRotatef], [angle_z],0.0,0.0,1.0
 	stdcall [glScalef], 0.3,0.3,0.3
 
@@ -167,13 +161,17 @@ include '../export.inc'
 ;--------------------------------------------------
 system_path db '/sys/lib/'
 name_tgl db 'tinygl.obj',0
-err_message_found_lib db 'Sorry I cannot load library tinygl.obj',0
+
 head_f_i:
-head_f_l db 'System error',0
-err_message_import db 'Error on load import library tinygl.obj',0
+head_f_l db '"System error',0
+err_message_import db 'Error on load import library ',39,'tinygl.obj',39,'" -tE',0
+err_message_found_lib db 'Sorry I cannot load library ',39,'tinygl.obj',39,'" -tE',0
 ;--------------------------------------------------
 
+align 16
 i_end:
+ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
+;sizeof.TinyGLContext = 28
 	rb 1024
 stacktop:
 cur_dir_path:
diff --git a/programs/develop/libraries/TinyGL/asm_fork/examples/test3.asm b/programs/develop/libraries/TinyGL/asm_fork/examples/test3.asm
index cd840a91ba..cd297380ae 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/examples/test3.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/examples/test3.asm
@@ -1,16 +1,13 @@
 use32
-	org 0x0
+	org 0
 	db 'MENUET01'
-	dd 0x1
-	dd start
-	dd i_end
-	dd mem,stacktop
-	dd 0,cur_dir_path
+	dd 1,start,i_end,mem,stacktop,0,cur_dir_path
 
-include '../../../../../../programs/proc32.inc'
-include '../../../../../../programs/macros.inc'
-include '../../../../../../programs/develop/libraries/box_lib/load_lib.mac'
-include '../../../../../../programs/dll.inc'
+include '../../../../../proc32.inc'
+include '../../../../../macros.inc'
+include '../../../../../KOSfuncs.inc'
+include '../../../../../develop/libraries/box_lib/load_lib.mac'
+include '../../../../../dll.inc'
 include '../opengl_const.inc'
 
 @use_library
@@ -19,10 +16,10 @@ align 4
 start:
 	load_library name_tgl, cur_dir_path, library_path, system_path, \
 		err_message_found_lib, head_f_l, import_lib_tinygl, err_message_import, head_f_i
-	cmp eax,-1
+	cmp eax,SF_TERMINATE_PROCESS
 	jz button.exit
 
-	mcall 40,0x27
+	mcall SF_SET_EVENTS_MASK,0x27
 
 stdcall [kosglMakeCurrent], 10,10,300,225,ctx1
 ;stdcall [glEnable], GL_DEPTH_TEST
@@ -35,9 +32,9 @@ align 4
 red_win:
 	call draw_window
 
-align 4
+align 16
 still:
-	mcall 10
+	mcall SF_CHECK_EVENT
 	cmp al,1
 	jz red_win
 	cmp al,2
@@ -49,19 +46,19 @@ still:
 align 4
 draw_window:
 	pushad
-	mcall 12,1
+	mcall SF_REDRAW,SSF_BEGIN_DRAW
 
 	mov edx,0x33ffffff ;0x73ffffff
-	mcall 0,(50 shl 16)+330,(30 shl 16)+275,,,caption
-	stdcall [kosglSwapBuffers]
+	mcall SF_CREATE_WINDOW,(50 shl 16)+330,(30 shl 16)+275,,,caption
+	call [kosglSwapBuffers]
 
-	mcall 12,2
+	mcall SF_REDRAW,SSF_END_DRAW
 	popad
 	ret
 
 align 4
 key:
-	mcall 2
+	mcall SF_GET_KEY
 
 	cmp ah,27 ;Esc
 	je button.exit
@@ -74,7 +71,7 @@ key:
 		fadd dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 	cmp ah,179 ;Right
 	jne @f
@@ -82,31 +79,28 @@ key:
 		fsub dword[delt_size]
 		fstp dword[angle_z]
 		call draw_3d
-		stdcall [kosglSwapBuffers]
+		call [kosglSwapBuffers]
 	@@:
 
 	jmp still
 
 align 4
 button:
-	mcall 17
+	mcall SF_GET_BUTTON
 	cmp ah,1
 	jne still
 .exit:
-	mcall -1
+	mcall SF_TERMINATE_PROCESS
 
 
 align 4
 caption db 'Test tinygl library, [Esc] - exit, [<-] and [->] - rotate',0
-align 4
-ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
-;sizeof.TinyGLContext = 28
 
 align 4
 draw_3d:
 stdcall [glClear], GL_COLOR_BUFFER_BIT + GL_DEPTH_BUFFER_BIT ;очистим буфер цвета и глубины
 
-stdcall [glPushMatrix]
+call [glPushMatrix]
 	stdcall [glRotatef], [angle_z],0.0,0.0,1.0
 
 	stdcall [glBegin],GL_TRIANGLES
@@ -159,17 +153,21 @@ include '../export.inc'
 ;--------------------------------------------------
 system_path db '/sys/lib/'
 name_tgl db 'tinygl.obj',0
-err_message_found_lib db 'Sorry I cannot load library tinygl.obj',0
+
 head_f_i:
-head_f_l db 'System error',0
-err_message_import db 'Error on load import library tinygl.obj',0
+head_f_l db '"System error',0
+err_message_import db 'Error on load import library ',39,'tinygl.obj',39,'" -tE',0
+err_message_found_lib db 'Sorry I cannot load library ',39,'tinygl.obj',39,'" -tE',0
 ;--------------------------------------------------
 
+align 16
 i_end:
+ctx1 db 28 dup (0) ;TinyGLContext or KOSGLContext
+;sizeof.TinyGLContext = 28
 	rb 1024
 stacktop:
 cur_dir_path:
 	rb 4096
 library_path:
 	rb 4096
-mem:
\ No newline at end of file
+mem:
diff --git a/programs/develop/libraries/TinyGL/asm_fork/export.inc b/programs/develop/libraries/TinyGL/asm_fork/export.inc
index b778087cc3..28f07b220f 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/export.inc
+++ b/programs/develop/libraries/TinyGL/asm_fork/export.inc
@@ -141,7 +141,7 @@ E_LIB glPolygonOffset ;(float, float)
 ;E_LIB glDepthFunc(int)
 ;E_LIB glBlendFunc(int, int)
 ;E_LIB glTexEnvf(int, int, int)
-;E_LIB glOrtho(float, float, float, float, float, float)
+E_LIB glOrtho ;(float, float, float, float, float, float)
 ;E_LIB glVertex2i(int, int)
 ;E_LIB glDepthMask(int)
 ;E_LIB glFogi(int, int)
diff --git a/programs/develop/libraries/TinyGL/asm_fork/matrix.asm b/programs/develop/libraries/TinyGL/asm_fork/matrix.asm
index e0ce6a9dc3..4a889563d4 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/matrix.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/matrix.asm
@@ -96,8 +96,7 @@ align 4
 proc glopLoadMatrix uses eax edi esi, context:dword, p:dword
 	mov eax,[context]
 	mov edi,[eax+GLContext.matrix_mode]
-	shl edi,2
-	add edi,eax
+	lea edi,[eax+4*edi]
 	mov edi,dword[edi+GLContext.matrix_stack_ptr]
 
 	mov esi,[p]
@@ -112,8 +111,7 @@ align 4
 proc glopLoadIdentity uses eax ebx, context:dword, p:dword
 	mov eax,[context]
 	mov ebx,[eax+GLContext.matrix_mode]
-	shl ebx,2
-	add ebx,eax
+	lea ebx,[eax+4*ebx]
 
 	stdcall gl_M4_Id,[ebx+GLContext.matrix_stack_ptr]
 	gl_matrix_update eax,ebx
@@ -127,14 +125,12 @@ locals
 endl
 	mov esi,[p]
 	add esi,4
-	mov edi,ebp
-	sub edi,sizeof.M4
+	lea edi,[ebp-sizeof.M4]
 	stdcall gl_M4_Transpose,edi,esi ;транспонируем входную матрицу в локальную матрицу m
 
 	mov eax,[context]
 	mov esi,[eax+GLContext.matrix_mode]
-	shl esi,2
-	add esi,eax
+	lea esi,[eax+4*esi]
 	stdcall gl_M4_MulLeft,dword[esi+GLContext.matrix_stack_ptr],edi
 
 	gl_matrix_update eax,edi
@@ -149,9 +145,7 @@ proc glopPushMatrix uses eax ebx, context:dword, p:dword
 ;  assert( (c->matrix_stack_ptr[ebx] - c->matrix_stack[ebx] + 1 )
 ;	   < c->matrix_stack_depth_max[ebx] );
 
-	shl ebx,2
-	add ebx,eax
-	add ebx,GLContext.matrix_stack_ptr
+	lea ebx,[eax+4*ebx+GLContext.matrix_stack_ptr]
 	add dword[ebx],sizeof.M4
 	mov ebx,[ebx] ;ebx = ++context.matrix_stack_ptr[context.matrix_mode]
 
@@ -171,8 +165,7 @@ proc glopPopMatrix uses eax ebx, context:dword, p:dword
 
 ;  assert( c->matrix_stack_ptr[n] > c->matrix_stack[n] );
 
-	shl ebx,2
-	add ebx,eax
+	lea ebx,[eax+4*ebx]
 	sub dword[ebx+GLContext.matrix_stack_ptr],sizeof.M4
 
 	gl_matrix_update eax,ebx
@@ -193,8 +186,7 @@ endl
 
 	mov eax,[context]
 	mov ebx,[p]
-	mov ecx,ebp
-	sub ecx,sizeof.M4 ;ecx=&m
+	lea ecx,[ebp-sizeof.M4] ;ecx=&m
 	finit
 	fldpi
 	fmul dword[ebx+4]
@@ -425,8 +417,7 @@ endl
 
 	mov eax,[context]
 	mov ebx,[eax+GLContext.matrix_mode]
-	shl ebx,2
-	add ebx,eax
+	lea ebx,[eax+4*ebx]
 	stdcall gl_M4_MulLeft,dword[ebx+GLContext.matrix_stack_ptr],ecx
 	gl_matrix_update eax,ebx
 	jmp .end_f
@@ -445,8 +436,7 @@ proc glopScale uses eax ebx ecx, context:dword, p:dword
 
 	mov eax,[context]
 	mov ebx,[eax+GLContext.matrix_mode]
-	shl ebx,2
-	add ebx,eax
+	lea ebx,[eax+4*ebx]
 	mov ebx,[ebx+GLContext.matrix_stack_ptr] ;ebx = &m[0]
 
 	fld dword[ecx+ 4] ;x
@@ -482,8 +472,7 @@ proc glopTranslate uses eax ebx ecx, context:dword, p:dword
 
 	mov eax,[context]
 	mov ebx,[eax+GLContext.matrix_mode]
-	shl ebx,2
-	add ebx,eax
+	lea ebx,[eax+4*ebx]
 	mov ebx,[ebx+GLContext.matrix_stack_ptr] ;ebx = &m[0]
 
 	fld dword[ecx+ 4] ;x
@@ -607,4 +596,94 @@ end if
 	ret
 endp
 
-  
+align 4
+proc glopOrtho uses eax ebx ecx, context:dword, p:dword
+locals
+	x dd ?
+	y dd ?
+	A dd ?
+	B dd ?
+	C dd ?
+	D dd ?
+	m M4
+endl
+	mov eax,[context]
+	mov ebx,[p]
+
+	fld dword[ebx+8]
+	fsub dword[ebx+4]  ;st0 = (right-left)
+	fld1
+	fadd st0,st0       ;st0 = 2.0
+	fdiv st0,st1
+	fstp dword[x]      ;x = 2.0 / (right-left)
+	fld dword[ebx+16]
+	fsub dword[ebx+12] ;st0 = (top-bottom)
+	fld1
+	fadd st0,st0       ;st0 = 2.0
+	fdiv st0,st1
+	fstp dword[y]      ;y = 2.0 / (top-bottom)
+	fld dword[ebx+8]
+	fadd dword[ebx+4]
+	fchs               ;st0 = -(right+left)
+	fdiv st0,st2       ;st2 = (right-left)
+	fstp dword[A]      ;A = -(right+left) / (right-left)
+	fld dword[ebx+16]
+	fadd dword[ebx+12]
+	fchs               ;st0 = -(top+bottom)
+	fdiv st0,st1       ;st1 = (top-bottom)
+	fstp dword[B]      ;B = -(top+bottom) / (top-bottom)
+	fld dword[ebx+24]
+	fsub dword[ebx+20] ;st0 = (farp-near)
+	fld1
+	fadd st0,st0
+	fchs ;st0 = -2.0
+	fdiv st0,st1
+	fstp dword[C]      ;C = -2.0 / (farp-near)
+	fld dword[ebx+24]
+	fadd dword[ebx+20] ;st0 = farp+near
+	fchs               ;st0 = -(farp+near)
+	fdiv st0,st1
+	fstp dword[D]      ;D = -(farp*near) / (farp-near)
+	ffree st0
+	fincstp
+	ffree st0
+	fincstp
+	ffree st0
+	fincstp
+
+	lea ecx,[ebp-sizeof.M4]
+
+	mov ebx,[x]
+	mov dword[ecx],ebx
+	mov dword[ecx+4],0.0
+	mov dword[ecx+8],0.0
+	mov ebx,[A]
+	mov dword[ecx+12],ebx
+	mov dword[ecx+16],0.0
+	mov ebx,[y]
+	mov dword[ecx+20],ebx
+	mov dword[ecx+24],0.0
+	mov ebx,[B]
+	mov dword[ecx+28],ebx
+	mov dword[ecx+32],0.0
+	mov dword[ecx+36],0.0
+	mov ebx,[C]
+	mov dword[ecx+40],ebx
+	mov ebx,[D]
+	mov dword[ecx+44],ebx
+	mov dword[ecx+48],0.0
+	mov dword[ecx+52],0.0
+	mov dword[ecx+56],0.0
+	mov dword[ecx+60],1.0
+
+	mov ebx,[eax+GLContext.matrix_mode]
+	lea ebx,[eax+4*ebx]
+	stdcall gl_M4_MulLeft,dword[ebx+GLContext.matrix_stack_ptr],ecx
+
+if DEBUG ;glopOrtho
+	stdcall gl_print_matrix,ecx,4
+	stdcall gl_print_matrix,dword[ebx+GLContext.matrix_stack_ptr],4
+end if
+	gl_matrix_update eax,ebx
+	ret
+endp
diff --git a/programs/develop/libraries/TinyGL/asm_fork/opinfo.inc b/programs/develop/libraries/TinyGL/asm_fork/opinfo.inc
index a52a4880d1..cc82c09fef 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/opinfo.inc
+++ b/programs/develop/libraries/TinyGL/asm_fork/opinfo.inc
@@ -22,6 +22,7 @@ ADD_OP Scale,3,'%f %f %f'
 
 ADD_OP Viewport,4,'%d %d %d %d'
 ADD_OP Frustum,6,'%f %f %f %f %f %f'
+ADD_OP Ortho,6,'%f %f %f %f %f %f'
 
 ADD_OP Material,6,'%C %C %f %f %f %f'
 ADD_OP ColorMaterial,2,'%C %C'
diff --git a/programs/develop/libraries/TinyGL/asm_fork/vertex.asm b/programs/develop/libraries/TinyGL/asm_fork/vertex.asm
index 5cbbb9b7de..3f9da851ad 100644
--- a/programs/develop/libraries/TinyGL/asm_fork/vertex.asm
+++ b/programs/develop/libraries/TinyGL/asm_fork/vertex.asm
@@ -58,8 +58,7 @@ endl
 		mov dword[q+8],ecx
 		mov esi,[p]
 		add esi,4
-		mov edi,ebp
-		sub edi,16 ;edi = &q[3]
+		lea edi,[ebp-16] ;edi = &q[3]
 		mov ecx,4
 		rep movsd
 		;mov edi,ebp
@@ -144,16 +143,14 @@ if DEBUG ;context.matrix_stack_ptr[0]
 	stdcall gl_print_matrix,dword[edx+GLContext.matrix_stack_ptr],4
 end if
 		; precompute inverse modelview
-		mov ebx,ebp
-		sub ebx,sizeof.M4
+		lea ebx,[ebp-sizeof.M4]
 		stdcall gl_M4_Inv, ebx,dword[edx+GLContext.matrix_stack_ptr]
 if DEBUG ;tmp
 	stdcall dbg_print,txt_sp,txt_nl
 	stdcall gl_print_matrix,ebx,4
 end if
 		push ebx
-		mov ebx,edx
-		add ebx,GLContext.matrix_model_view_inv
+		lea ebx,[edx+GLContext.matrix_model_view_inv]
 		stdcall gl_M4_Transpose, ebx
 if DEBUG ;context.matrix_model_view_inv
 	stdcall dbg_print,txt_sp,txt_nl
@@ -162,8 +159,7 @@ end if
 		jmp .end_if_0
 align 4
 	@@:
-		mov ecx,edx
-		add ecx,GLContext.matrix_model_projection
+		lea ecx,[edx+GLContext.matrix_model_projection]
 		; precompute projection matrix
 		stdcall gl_M4_Mul, ecx,dword[edx+GLContext.matrix_stack_ptr+4],dword[edx+GLContext.matrix_stack_ptr]
 
@@ -192,8 +188,7 @@ align 4
 	.end_if_0:
 
 		; test if the texture matrix is not Identity
-		mov eax,edx
-		add eax,GLContext.matrix_stack_ptr+8
+		lea eax,[edx+GLContext.matrix_stack_ptr+8]
 		stdcall gl_M4_IsId,eax
 		xor eax,1
 		mov dword[edx+GLContext.apply_texture_matrix],eax
@@ -265,9 +260,9 @@ align 4
 		; eye coordinates needed for lighting
 		mov ebx,dword[eax+GLContext.matrix_stack_ptr]
 		finit
-		fld dword[edx+offs_vert_coord+offs_X]
-		fld dword[edx+offs_vert_coord+offs_Y]
-		fld dword[edx+offs_vert_coord+offs_Z]
+		fld dword[edx+GLVertex.coord+offs_X]
+		fld dword[edx+GLVertex.coord+offs_Y]
+		fld dword[edx+GLVertex.coord+offs_Z]
 
 		mov ecx,4
 		.cycle_0:
@@ -280,7 +275,7 @@ align 4
 			fmul st0,st2       ;st0 *= v.coord.Z
 			fadd dword[ebx+12] ;st0 += m[3]
 			faddp              ;st0 = v.ec.X
-			fstp dword[edx+offs_vert_ec] ;v.ec.X = v.coord.X * m[0] + v.coord.Y * m[1] + v.coord.Z * m[2] + m[3]
+			fstp dword[edx+GLVertex.ec] ;v.ec.X = v.coord.X * m[0] + v.coord.Y * m[1] + v.coord.Z * m[2] + m[3]
 			add ebx,16 ;следущая строка матрицы
 			add edx,4  ;следущая координата вектора
 		loop .cycle_0
@@ -295,10 +290,10 @@ align 4
 		mov ebx,dword[eax+GLContext.matrix_stack_ptr+4]
 		mov edx,[v]
 
-		fld dword[edx+offs_vert_ec+offs_X]
-		fld dword[edx+offs_vert_ec+offs_Y]
-		fld dword[edx+offs_vert_ec+offs_Z]
-		fld dword[edx+offs_vert_ec+offs_W]
+		fld dword[edx+GLVertex.ec+offs_X]
+		fld dword[edx+GLVertex.ec+offs_Y]
+		fld dword[edx+GLVertex.ec+offs_Z]
+		fld dword[edx+GLVertex.ec+offs_W]
 
 		mov ecx,4
 		.cycle_1:
@@ -313,7 +308,7 @@ align 4
 			fld dword[ebx+12]  ;st0 = m[3]
 			fmul st0,st2       ;st0 *= v.ec.W
 			faddp              ;st0 = v.pc.X
-			fstp dword[edx+offs_vert_pc] ;v.pc.X = v.ec.X * m[0] + v.ec.Y * m[1] + v.ec.Z * m[2] + v.ec.W * m[3]
+			fstp dword[edx+GLVertex.pc] ;v.pc.X = v.ec.X * m[0] + v.ec.Y * m[1] + v.ec.Z * m[2] + v.ec.W * m[3]
 			add ebx,16 ;следущая строка матрицы
 			add edx,4  ;следущая координата вектора
 		loop .cycle_1
@@ -326,17 +321,15 @@ align 4
 		ffree st0
 		fincstp
 
-		mov ebx,eax
-		add ebx,GLContext.matrix_model_view_inv
-		mov edi,eax
-		add edi,GLContext.current_normal
+		lea ebx,[eax+GLContext.matrix_model_view_inv]
+		lea edi,[eax+GLContext.current_normal]
 		mov edx,[v]
 
 		fld dword[edi] ;edi = &n
 		fld dword[edi+offs_Y]
 		fld dword[edi+offs_Z]
 
-		add edx,offs_vert_normal
+		add edx,GLVertex.normal
 
 		fld dword[ebx]   ;st0 = m[0]
 		fmul st0,st3     ;st0 *= n.X
@@ -376,16 +369,14 @@ align 4
 	.els_0:
 		; no eye coordinates needed, no normal
 		; NOTE: W = 1 is assumed
-		mov ebx,eax
-		add ebx,GLContext.matrix_model_projection
+		lea ebx,[eax+GLContext.matrix_model_projection]
 
 		finit
-		fld dword[edx+offs_vert_coord+offs_X]
-		fld dword[edx+offs_vert_coord+offs_Y]
-		fld dword[edx+offs_vert_coord+offs_Z]
+		fld dword[edx+GLVertex.coord+offs_X]
+		fld dword[edx+GLVertex.coord+offs_Y]
+		fld dword[edx+GLVertex.coord+offs_Z]
 
-		mov esi,edx
-		add esi,offs_vert_pc
+		lea esi,[edx+GLVertex.pc]
 
 		fld dword[ebx]     ;st0 = m[0]
 		fmul st0,st3       ;st0 *= v.coord.X
@@ -449,13 +440,13 @@ align 4
 if DEBUG ;gl_vertex_transform
 	stdcall dbg_print,f_vt,txt_nl
 	mov edx,[v]
-	add edx,offs_vert_pc
+	add edx,GLVertex.pc
 	stdcall gl_print_matrix,edx,1
 end if
 	mov edx,[v]
-	stdcall gl_clipcode, dword[edx+offs_vert_pc+offs_X], dword[edx+offs_vert_pc+offs_Y],\
-		dword[edx+offs_vert_pc+offs_Z], dword[edx+offs_vert_pc+offs_W]
-	mov dword[edx+offs_vert_clip_code],eax
+	stdcall gl_clipcode, dword[edx+GLVertex.pc+offs_X], dword[edx+GLVertex.pc+offs_Y],\
+		dword[edx+GLVertex.pc+offs_Z], dword[edx+GLVertex.pc+offs_W]
+	mov dword[edx+GLVertex.clip_code],eax
 popad
 	ret
 endp
@@ -503,8 +494,7 @@ pushad
 
 	mov esi,[p]
 	add esi,4
-	mov edi,ebx
-	add edi,offs_vert_coord ;edi = &v.coord
+	lea edi,[ebx+GLVertex.coord] ;edi = &v.coord
 	mov ecx,4
 	rep movsd
 
@@ -517,10 +507,8 @@ pushad
 		jmp @f
 align 4
 	.els_0:
-		mov esi,edx
-		add esi,GLContext.current_color
-		mov edi,ebx
-		add edi,offs_vert_color ;edi = &v.color
+		lea esi,[edx+GLContext.current_color]
+		lea edi,[ebx+GLVertex.color] ;edi = &v.color
 		mov ecx,4
 		rep movsd
 	@@:
@@ -530,32 +518,28 @@ align 4
 	je @f
 		cmp dword[edx+GLContext.apply_texture_matrix],0
 		je .els_1
-			mov eax,edx
-			add eax,GLContext.current_tex_coord
+			lea eax,[edx+GLContext.current_tex_coord]
 			push eax ;&context.current_tex_coord
-			mov eax,ebx
-			add eax,offs_vert_tex_coord
+			lea eax,[ebx+GLVertex.tex_coord]
 			stdcall gl_M4_MulV4, eax, dword[edx+GLContext.matrix_stack_ptr+8]
 			jmp @f
 align 4
 		.els_1:
-			mov esi,edx
-			add esi,GLContext.current_tex_coord
-			mov edi,ebx
-			add edi,offs_vert_tex_coord
+			lea esi,[edx+GLContext.current_tex_coord]
+			lea edi,[ebx+GLVertex.tex_coord]
 			mov ecx,4
 			rep movsd
 	@@:
 
 	; precompute the mapping to the viewport
-	cmp dword[ebx+offs_vert_clip_code],0
+	cmp dword[ebx+GLVertex.clip_code],0
 	jne @f
 		stdcall gl_transform_to_viewport, edx,ebx
 	@@:
 
 	; edge flag
 	mov eax,[edx+GLContext.current_edge_flag]
-	mov dword[ebx+offs_vert_edge_flag],eax ;v.edge_flag = context.current_edge_flag
+	mov dword[ebx+GLVertex.edge_flag],eax ;v.edge_flag = context.current_edge_flag
 
 	cmp dword[edx+GLContext.begin_type],GL_POINTS
 	jne @f
@@ -585,8 +569,7 @@ align 4
 		cmp dword[n],1
 		jne .els_2
 			mov esi,[edx+GLContext.vertex]
-			mov edi,esi
-			add edi,2*sizeof.GLVertex
+			lea edi,[esi+2*sizeof.GLVertex]
 			mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb
 			rep movsd ;context.vertex[2] = context.vertex[0]
 			jmp .end_f
@@ -594,12 +577,9 @@ align 4
 		.els_2:
 		cmp dword[n],2
 		jne .end_f ;else if (n == 2)
-			mov eax,[edx+GLContext.vertex]
-			push eax
-			mov edi,eax
-			add eax,sizeof.GLVertex
-			mov esi,eax
-			stdcall gl_draw_line, edx, eax
+			mov edi,[edx+GLContext.vertex]
+			lea esi,[edi+sizeof.GLVertex]
+			stdcall gl_draw_line, edx, esi, edi
 			mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb
 			rep movsd ;context.vertex[0] = context.vertex[1]
 			mov dword[n],1
@@ -662,12 +642,10 @@ align 4
 		jne .end_f
 			mov eax,[edx+GLContext.vertex]
 			mov [esp-12],eax
-			add eax,sizeof.GLVertex
-			mov [esp-8],eax
-			mov edi,eax
-			add eax,sizeof.GLVertex
-			mov [esp-4],eax
-			mov esi,eax
+			lea edi,[eax+sizeof.GLVertex]
+			mov [esp-8],edi
+			lea esi,[edi+sizeof.GLVertex]
+			mov [esp-4],esi
 			sub esp,12
 			stdcall gl_draw_triangle, edx ;v0,v1,v2
 			mov ecx,(sizeof.GLVertex)/4 ;((...)/4) что-бы использовать movsd вместо movsb
@@ -682,15 +660,15 @@ align 4
 		jne .end_f
 			mov eax,[edx+GLContext.vertex]
 			add eax,2*sizeof.GLVertex
-			mov dword[eax+offs_vert_edge_flag],0 ;context.vertex[2].edge_flag = 0
+			mov dword[eax+GLVertex.edge_flag],0 ;context.vertex[2].edge_flag = 0
 			push eax
 			sub eax,sizeof.GLVertex
 			push eax
 			sub eax,sizeof.GLVertex
 			stdcall gl_draw_triangle, edx,eax ;v0,v1,v2
-			mov dword[eax+offs_vert_edge_flag],0 ;context.vertex[0].edge_flag = 0
+			mov dword[eax+GLVertex.edge_flag],0 ;context.vertex[0].edge_flag = 0
 			add eax,2*sizeof.GLVertex
-			mov dword[eax+offs_vert_edge_flag],1 ;context.vertex[2].edge_flag = 1
+			mov dword[eax+GLVertex.edge_flag],1 ;context.vertex[2].edge_flag = 1
 			add eax,sizeof.GLVertex
 			push eax
 			sub eax,sizeof.GLVertex