diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a2b2150..e7ba6f9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -136,10 +136,12 @@ jobs:
           git clone https://github.com/orix-software/docker-unit-test.git
           cd docker-unit-test && bash install.sh ${GITHUB_WORKSPACE} && cd ..
           cp build/usr/share/kernel/kernelsd.rom ${GITHUB_WORKSPACE}/oricutron/roms/kernel.rom
-          cat  tests/unit_test/xopen.sub > ${GITHUB_WORKSPACE}/oricutron/sdcard/ETC/AUTOBOOT
-          cat  tests/unit_test/xrm.sub >> ${GITHUB_WORKSPACE}/oricutron/sdcard/ETC/AUTOBOOT
+          cat tests/unit_test/xopen.sub > ${GITHUB_WORKSPACE}/oricutron/sdcard/ETC/AUTOBOOT
+          cat tests/unit_test/xrm.sub >> ${GITHUB_WORKSPACE}/oricutron/sdcard/ETC/AUTOBOOT
+          cp mainarg ${GITHUB_WORKSPACE}/oricutron/sdcard/BIN
+          cat mainarg >> ${GITHUB_WORKSPACE}/oricutron/sdcard/ETC/AUTOBOOT
           cd ${GITHUB_WORKSPACE}/oricutron
-          timeout --preserve-status 5 ./xvfb.sh || exit 0
+          timeout --preserve-status 10 ./xvfb.sh || exit 0
 
       - name: Check unit-test
         run: |
diff --git a/Makefile b/Makefile
index aeeae19..30c7ecc 100644
--- a/Makefile
+++ b/Makefile
@@ -12,15 +12,15 @@ SOURCE=src/kernel.asm
 PROGRAM_NAME=kernel
 
 ifeq ($(CC65_HOME),)
-        CC = cl65
-        AS = ca65
-        LD = ld65
-        AR = ar65
+    CC = cl65
+    AS = ca65
+    LD = ld65
+    AR = ar65
 else
-        CC = $(CC65_HOME)/bin/cl65
-        AS = $(CC65_HOME)/bin/ca65
-        LD = $(CC65_HOME)/bin/ld65
-        AR = $(CC65_HOME)/bin/ar65
+    CC = $(CC65_HOME)/bin/cl65
+    AS = $(CC65_HOME)/bin/ca65
+    LD = $(CC65_HOME)/bin/ld65
+    AR = $(CC65_HOME)/bin/ar65
 endif
 
 PATH_PACKAGE_ROM=build/usr/share/$(PROGRAM_NAME)/
@@ -37,8 +37,8 @@ init:
 kernel: $(SOURCE)
 	@echo Rom are built in $(PATH_PACKAGE_ROM)
 	@echo Build kernelsd.rom for Twilighte board
-	@$(AS) --verbose -s -tnone --debug-info -o kernelsd.ld65 -DWITH_SDCARD_FOR_ROOT=1  $(SOURCE) $(ASFLAGS) > output.log
-	@$(LD) -C src/kernel.cfg kernelsd.ld65 -m kernelsd.map -DWITH_SDCARD_FOR_ROOT=1 -DWITH_TWILIGHTE_BOARD=1  -Ln kernelsd.sym > output.log
+	@$(AS) --verbose -s -tnone --debug-info -o kernelsd.ld65 -DWITH_SDCARD_FOR_ROOT=1 $(SOURCE) $(ASFLAGS) > output.log
+	@$(LD) -C src/kernel.cfg kernelsd.ld65 -m kernelsd.map -DWITH_SDCARD_FOR_ROOT=1 -DWITH_TWILIGHTE_BOARD=1 -Ln kernelsd.sym > output.log
 	@cp kernel.rom kernelsd.rom
 	@sed -re 's/al 00(.{4}) \.(.+)$$/\1 \2/' kernelsd.sym| sort > kernelsd2.sym > output.log
 	@cp kernelsd.rom $(PATH_PACKAGE_ROM)/
@@ -48,29 +48,30 @@ kernel: $(SOURCE)
 	@echo Build kernelus.rom for Twilighte board
 	@echo "WITH_TWILIGHTE_BOARD">$(PATH_PACKAGE_ROM)/kernelus.lst
 	@$(AS) --verbose -s -tnone --debug-info -o kernelus.ld65  $(SOURCE) $(ASFLAGS) > output.log
-	@$(LD) -C src/kernel.cfg kernelus.ld65 -m kernelus.map  -DWITH_TWILIGHTE_BOARD=1  -Ln kernelus.sym > output.log
+	@$(LD) -C src/kernel.cfg kernelus.ld65 -m kernelus.map -DWITH_TWILIGHTE_BOARD=1 -Ln kernelus.sym > output.log
 	@cp kernel.rom kernelus.rom
 	@cp kernelus.rom $(PATH_PACKAGE_ROM)/
 
 unittest:
-	$(CC) $(CFLAGS) tests/mkdir.c -o tmkdir
-	$(CC) $(CFLAGS) tests/fwrite.c -o tfwrite
+	@$(CC) $(CFLAGS) tests/mkdir.c -o tmkdir
+	@$(CC) $(CFLAGS) tests/fwrite.c -o tfwrite
+	@$(CC) $(CFLAGS) tests/unit_test/mainarg.s -o mainarg
 
 memmap:
 	@$(AS) --verbose -s -tnone --debug-info -o kernel-telestrat.ld65 -DWITH_SDCARD_FOR_ROOT=1 $(SOURCE) $(ASFLAGS) > memmap.md
 	@$(LD) -C src/kernel.cfg kernel-telestrat.ld65 -m kernel.map -o kernel-telestrat.ld65.rom -DWITH_ACIA=2 -DWITH_SDCARD_FOR_ROOT=1 -Ln kernel-telestrat.ca.sym
-	sh generate_memmap.sh
+	@sh generate_memmap.sh
 
 test:
-	cp Makefile build/usr/src/kernel/
-	cp README.md build/usr/src/kernel/
-	cp src/* build/usr/src/kernel/ -adpR
-	cp README.md build/usr/share/doc/$(PROGRAM_NAME)/
-	ls -l $(HOMEDIR)
-	export ORIX_PATH=`pwd`
-	sh tools/builddocs.sh
-	cd build && tar -c * > ../$(PROGRAM_NAME).tar &&	cd ..
-	filepack  $(PROGRAM_NAME).tar $(PROGRAM_NAME).pkg
-	gzip $(PROGRAM_NAME).tar
-	mv $(PROGRAM_NAME).tar.gz $(PROGRAM_NAME).tgz
+	@cp Makefile build/usr/src/kernel/
+	@cp README.md build/usr/src/kernel/
+	@cp src/* build/usr/src/kernel/ -adpR
+	@cp README.md build/usr/share/doc/$(PROGRAM_NAME)/
+	@ls -l $(HOMEDIR)
+	@export ORIX_PATH=`pwd`
+	@sh tools/builddocs.sh
+	@cd build && tar -c * > ../$(PROGRAM_NAME).tar && cd ..
+	@filepack  $(PROGRAM_NAME).tar $(PROGRAM_NAME).pkg
+	@gzip $(PROGRAM_NAME).tar
+	@mv $(PROGRAM_NAME).tar.gz $(PROGRAM_NAME).tgz
 
diff --git a/VERSION b/VERSION
index 2cf03e5..80e1c8d 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2024.1
\ No newline at end of file
+2024.3
\ No newline at end of file
diff --git a/dependencies/orix-sdk b/dependencies/orix-sdk
index fe17aca..a5640e2 160000
--- a/dependencies/orix-sdk
+++ b/dependencies/orix-sdk
@@ -1 +1 @@
-Subproject commit fe17aca694cc68fe05d0cfe9f6977e48da6250f3
+Subproject commit a5640e25fa03be5aaf2e81546eefc61fadf24d62
diff --git a/docs/memmap_ram.md b/docs/memmap_ram.md
index e4ea2c0..0bbcadf 100644
--- a/docs/memmap_ram.md
+++ b/docs/memmap_ram.md
@@ -134,8 +134,8 @@
 ## Page 4
 |Type     | Name                          | Range       | Size |
 | :------- |:----------------------------- |:----------- |:-----|
+|RAM|page4 ORIX_VECTOR_READ_VALUE_INTO_RAM_OVERLAY       | $0411-$0414 |  3  |
 |RAM|page4 overlay_access       | $0419-$0436 |  54  |
-|RAM|page4 ORIX_VECTOR_READ_VALUE_INTO_RAM_OVERLAY       | $0411-$0411 |  3  |
 ## Page 5&6
 |Type     | Name                          | Range       | Size |
 | :------- |:----------------------------- |:----------- |:-----|
diff --git a/memmap.md b/memmap.md
index 85ec418..e90d88c 100644
--- a/memmap.md
+++ b/memmap.md
@@ -358,8 +358,8 @@ CALL:XOPEN:XRM_ROUTINE
 |##MEMMAP: Page 4
 |MEMMAP:Type     | Name                          | Range       | Size |
 |MEMMAP: :------- |:----------------------------- |:----------- |:-----|
+|MEMMAP:RAM|page4 ORIX_VECTOR_READ_VALUE_INTO_RAM_OVERLAY       | $0411-$0414 |  3  |
 |MEMMAP:RAM|page4 overlay_access       | $0419-$0436 |  54  |
-|MEMMAP:RAM|page4 ORIX_VECTOR_READ_VALUE_INTO_RAM_OVERLAY       | $0411-$0411 |  3  |
 |##MEMMAP: Page 5&6
 |MEMMAP:Type     | Name                          | Range       | Size |
 |MEMMAP: :------- |:----------------------------- |:----------- |:-----|
@@ -371,12 +371,12 @@ CALL:XOPEN:XRM_ROUTINE
 |##MEMMAP: Kernel bank 7
 |MEMMAP: Type      | Name                         | Range   | Size |
 |MEMMAP: :-------- |:---------------------------- |:------- |:-----|
-|MEMMAP:ROM|FREE                         |$feee-$fff0|   258   |
+|MEMMAP:ROM|FREE                         |$ff0e-$fff0|   226   |
 |##MEMMAP: Bank 0
 |MEMMAP: Type      | Name                         | Range   | Size |
 |MEMMAP: --------  | ---------------------------- | ------- |-----|
 |MEMMAP:BANK0|BUFBUF                        | $c080-$c0b6 |  54   |
 |MEMMAP:BANK0|BUFROU                        | $c500-$c54e |     |
 |MEMMAP:BANK0|TELEMON_KEYBOARD_BUFFER_BEGIN | $c5c4-$c680 |     |
-|MEMMAP:BANK0|XMALLOC (copy from kernel)    | $fba0-$fc4c |     |
-|MEMMAP:BANK0|XFREE (copy from kernel)      | $fc4c-$fed1 |     |
+|MEMMAP:BANK0|XMALLOC (copy from kernel)    | $fbc0-$fc6c |     |
+|MEMMAP:BANK0|XFREE (copy from kernel)      | $fc6c-$fef1 |     |
diff --git a/run.sh b/run.sh
index 1c8e249..b5436f6 100644
--- a/run.sh
+++ b/run.sh
@@ -15,8 +15,8 @@ ld65  -C src/kernel.cfg -DWITH_SDCARD_FOR_ROOT=1 tmp/kernelsd.ld65 -Ln tmp/kerne
 #cl65 -ttelestrat -C  tests/orix-sdk/cfg/telestrat_900.cfg  tests/multiples_files_opened.c tests/multiples_files_fopen.s tests/exec.s -o multi
 #cl65 -ttelestrat -C  tests/orix-sdk/cfg/telestrat_900.cfg  tests/readdir.c tests/kernel_calls/readdir_extern.s  -o b
 
-ca65 --cpu 6502 -DWITH_SDCARD_FOR_ROOT=1 -DWITH_DEBUG=1  --verbose -s -ttelestrat  src/kdebug.asm -o kdebugsd.ld65 --debug-info
-ld65 -tnone -DWITH_SDCARD_FOR_ROOT=1 -DWITH_DEBUG=1  kdebugsd.ld65 -o kdebug.rom -Ln kdebugsd.sym -m memmap.txt -vm
+#ca65 --cpu 6502 -DWITH_SDCARD_FOR_ROOT=1 -DWITH_DEBUG=1  --verbose -s -ttelestrat  src/kdebug.asm -o kdebugsd.ld65 --debug-info
+#ld65 -tnone -DWITH_SDCARD_FOR_ROOT=1 -DWITH_DEBUG=1  kdebugsd.ld65 -o kdebug.rom -Ln kdebugsd.sym -m memmap.txt -vm
 
 cp kernel.rom $ORICUTRON_PATH/roms
 # cp kdebug.rom $ORICUTRON_PATH/roms
@@ -25,7 +25,16 @@ cp tests/test_kernel $ORICUTRON_PATH/sdcard/bin/test
 #cp tests/kopened $ORICUTRON_PATH/sdcard/bin/
 
 #cat  tests/unit_test/xopen.sub > $ORICUTRON_PATH/sdcard/etc/AUTOBOOT
-#cat  tests/unit_test/xrm.sub >> $ORICUTRON_PATH/sdcard/etc/AUTOBOOT
+cat  tests/unit_test/start.sub >> $ORICUTRON_PATH/sdcard/etc/AUTOBOOT
+
+cp  tests/unit_test/mainarg.sub $ORICUTRON_PATH/sdcard/bin/mainarg.sub
+
+cl65 -ttelestrat tests/unit_test/mainarg.s -o 1000 --start-addr 2048
+cl65 -ttelestrat tests/unit_test/mainarg.s -o 1256 --start-addr 2304
+dependencies/orix-sdk/bin/relocbin.py3 -o mainarg -2 1000 1256
+
+
+cp mainarg $ORICUTRON_PATH/sdcard/bin/mainarg
 
 cd $ORICUTRON_PATH
 ./oricutron
diff --git a/src/functions/init_screen.asm b/src/functions/init_screen.asm
index de08b29..df9b96f 100644
--- a/src/functions/init_screen.asm
+++ b/src/functions/init_screen.asm
@@ -11,6 +11,7 @@
   bpl     @loop
 
   ldy     #$05     ; loop with $12 to fill text definitions and Hires
+
 @L1:
   lda     data_text_window,y ; data_to_define_2
   sta     SCRTXT,y ; thise fill also  SCRHIR
diff --git a/src/functions/mainargs.asm b/src/functions/mainargs.asm
index 0b2f5ba..67f57e3 100644
--- a/src/functions/mainargs.asm
+++ b/src/functions/mainargs.asm
@@ -28,18 +28,34 @@ XMAINARGS_DOUBLE_QUOTE := TR5 ; 1 byte
 
 .proc XMAINARGS_ROUTINE
 
+    ;;@brief Build a mainargs array and returns in A and Y the ptr (malloc)
+    ;;@inputA Mode (0 or 1)
+    ;;@inputX High ptr curl struct
+    ;;@modifyMEM_RES
+    ;;@modifyMEM_RESB
+    ;;@modifyMEM_TR0
+    ;;@modifyMEM_TR1
+    ;;@modifyMEM_TR2
+    ;;@modifyMEM_TR3
+    ;;@modifyMEM_TR4
+    ;;@modifyMEM_KERNEL_ERRNO
+
     sta     XMAINARGS_MODE
 
+    ; Get current process
     ldx     kernel_process+kernel_process_struct::kernel_current_process
+    ; Get the struct og the process
     jsr     kernel_get_struct_process_ptr
     sta     RES
     sty     RES+1
 
-    lda     RES
+    ; Compute cmdline offset
+    lda     RES ; FIXME A is already populated
     clc
     adc     #kernel_one_process_struct::cmdline ; 1 : number of args
     bcc     @S7
     inc     RES+1
+
 @S7:
     sta     RES
 
@@ -73,6 +89,7 @@ XMAINARGS_DOUBLE_QUOTE := TR5 ; 1 byte
     ; Mode 1 : Copy only
 
     ldy     #$00
+
 @loop2:
     lda     (RES),y
     beq     @out2
@@ -104,6 +121,7 @@ XMAINARGS_DOUBLE_QUOTE := TR5 ; 1 byte
     adc     RESB
     bcc     @S3
     inc     XMAINARGSV+1
+
 @S3:
     sta     XMAINARGSV ; TR2 contains the first offset
 
@@ -124,16 +142,28 @@ XMAINARGS_DOUBLE_QUOTE := TR5 ; 1 byte
     beq     @out
     cmp     #' '
     beq     @new_arg
-    cmp     #$22 ; Is it '"' ?
+    cmp     #'"' ; Is it '"' ?
     bne     @not_double_quote
 
-    lda     XMAINARGS_DOUBLE_QUOTE
+    lda     XMAINARGS_DOUBLE_QUOTE ; If equal two 0, it " is found here, let's
     beq     @begin_double_quote
 
-    inc     XMAINARGS_DOUBLE_QUOTE
+    ; End of double quote found, close param
+    bne     @out
 
 @begin_double_quote:
+    inc     XMAINARGS_DOUBLE_QUOTE
 
+    lda     RES
+    clc
+    adc     #$01
+    bcc     @no_inc
+    inc     RES+1
+
+@no_inc:
+    sta     RES
+    jsr     @init_param
+    jmp     @loop
 
 @not_double_quote:
     ; store the string
@@ -151,17 +181,34 @@ XMAINARGS_DOUBLE_QUOTE := TR5 ; 1 byte
 
     ldx     XMAINARGSC
     ; return ptr
-    lda     RESB ; $7C9
+    lda     RESB
     ldy     RESB+1
     rts
 
 @new_arg:
+    ldx     XMAINARGS_DOUBLE_QUOTE
+    beq     @double_quote_not_opened
+
+    ; At this step we found a space in a " sentence
+    ; A contains " "
+    sta     (XMAINARGSV),y
+    jmp     @no_new_arg
+
+@double_quote_not_opened:
     lda     XMAINARGS_SPACEFOUND
     bne     @no_new_arg
 
     lda     #$01
     sta     XMAINARGS_SPACEFOUND
 
+    jsr     @init_param
+    inc     XMAINARGSC
+
+@no_new_arg:
+    iny
+    jmp     @loop
+
+@init_param:
     lda     #$00
     sta     (XMAINARGSV),y
 
@@ -176,10 +223,5 @@ XMAINARGS_DOUBLE_QUOTE := TR5 ; 1 byte
     txa
     tay
 
-    inc     XMAINARGSC
-
-@no_new_arg:
-    iny
-    jmp     @loop
-
+    rts
 .endproc
diff --git a/src/include/libs/ch376_verify.s b/src/include/libs/ch376_verify.s
index f46a040..971cf7a 100644
--- a/src/include/libs/ch376_verify.s
+++ b/src/include/libs/ch376_verify.s
@@ -3,12 +3,11 @@
 	cmp #CH376_DETECTED
 	beq @detected
 
-
-
 	; let's start reset
 	jsr _ch376_reset_all
 	lda #$01 ; error
 	rts
+
 @detected:
 	jsr _ch376_set_usb_mode_kernel
 
diff --git a/src/kernel.asm b/src/kernel.asm
index a496504..0cb8f9f 100644
--- a/src/kernel.asm
+++ b/src/kernel.asm
@@ -15,7 +15,7 @@
         adc     #$01
 .endmacro
 
-.define VERSION "2024.1"
+.define VERSION "2024.3"
 
 XMALLOC_ROUTINE_TO_RAM_OVERLAY = 39
 
diff --git a/tests/unit_test/mainarg.s b/tests/unit_test/mainarg.s
new file mode 100644
index 0000000..3227521
--- /dev/null
+++ b/tests/unit_test/mainarg.s
@@ -0,0 +1,59 @@
+; Code to test XMAINARGS
+
+.include "telestrat.inc"
+.include "../../dependencies/orix-sdk/macros/SDK_mainargs.mac"
+.include "../../dependencies/orix-sdk/macros/SDK_print.mac"
+.include "../../dependencies/orix-sdk/macros/SDK_conio.mac"
+
+.segment "STARTUP"
+.segment "INIT"
+.segment "ONCE"
+
+.segment "CODE"
+_main:
+
+userzp := $80
+
+start_adress:
+    argv            := userzp     ; 2 bytes
+    argc            := userzp + 2 ; 1 byte
+
+    initmainargs argv, argc, 0
+
+
+nop
+    lda     argc
+    cmp     #$03
+    bne     @no_arg
+nop
+nop
+
+nop
+
+nop
+    getmainarg #1, (argv)
+    BRK_TELEMON XWSTR0
+    crlf
+nop
+nop
+
+nop
+
+nop
+    getmainarg #2, (argv)
+    BRK_TELEMON XWSTR0
+    crlf
+
+    rts
+nop
+@no_arg:
+    print str_there_not_two_arg
+    lda     #$01
+    ldy     #$00
+    rts
+
+str_there_not_two_arg:
+    .asciiz "There is not 2 arg"
+
+
+    lda         #$41
\ No newline at end of file
diff --git a/tests/unit_test/mainarg.sub b/tests/unit_test/mainarg.sub
new file mode 100644
index 0000000..f14fd4d
--- /dev/null
+++ b/tests/unit_test/mainarg.sub
@@ -0,0 +1,4 @@
+#!/bin/submit
+echo Mainarg test
+mainarg ici "part1 part2"
+#on error echo error
diff --git a/tests/unit_test/start.sub b/tests/unit_test/start.sub
new file mode 100644
index 0000000..0ba8a61
--- /dev/null
+++ b/tests/unit_test/start.sub
@@ -0,0 +1,6 @@
+#!/bin/submit
+
+echo Salut
+
+chain /bin/mainarg.sub 1 2
+
diff --git a/tests/xexec.asm b/tests/xexec.asm
index 58ef65b..5f3d135 100644
--- a/tests/xexec.asm
+++ b/tests/xexec.asm
@@ -17,6 +17,5 @@ __MAIN_START__:
 ;save_return:
  ;   .res 1
 str:
-    .asciiz "lsmem"    
+    .asciiz "lsmem"
 __MAIN_LAST__:
- 
\ No newline at end of file