diff --git a/src/6502/_ch395_read_recv_buf_sn.s b/src/6502/_ch395_read_recv_buf_sn.s
index f7f806c..9563712 100644
--- a/src/6502/_ch395_read_recv_buf_sn.s
+++ b/src/6502/_ch395_read_recv_buf_sn.s
@@ -2,30 +2,26 @@
     .include "ch395.inc"
 .endif
 
-.ifndef      FROM_ASSEMBLY
-    .import popax
-    .importzp ptr1
-.endif
+.import popax
+.importzp ptr1, ptr2
 
 .export _ch395_read_recv_buf_sn
 .export ch395_read_recv_buf_sn
 
 
 .proc _ch395_read_recv_buf_sn
-    ;;@proto void          ch395_read_recv_buf_sn(unsigned char *buffer, unsigned int length,unsigned char ID_SOCKET);
+    ;;@proto void          ch395_read_recv_buf_sn(unsigned char *buffer, unsigned int ptr2,unsigned char ID_SOCKET);
     ;;@inputPARAM_socketid The socketid
-
-
     jsr     popax
-    sta     length
-    stx     length+1
+    sta     ptr2
+    stx     ptr2+1
 
 .endproc
 
 .proc ch395_read_recv_buf_sn
     ;;@inputA Socket id
-    sty     length
-    stx     length+1
+    sty     ptr2
+    stx     ptr2+1
 
     ldy     #CH395_READ_RECV_BUF_SN
     sty     CH395_COMMAND_PORT
@@ -33,64 +29,52 @@
     sta     CH395_DATA_PORT
 
 
-    lda     length
-    ldx     length+1
-
+    lda     ptr2
+    ldx     ptr2+1
 
+    sta     CH395_DATA_PORT ; set ptr2
+    stx     CH395_DATA_PORT ; set ptr2
 
-    sta     CH395_DATA_PORT ; set length
-    stx     CH395_DATA_PORT ; set length
-
-
-.ifdef      FROM_ASSEMBLY
-.else
-    jsr     popax
-    sta     ptr1
-    stx     ptr1+1
-.endif
-
-
-    lda     length+1
-    beq     @read_only_length
-
+    lda     ptr2+1
+    beq     @read_only_ptr2
 
 
 @read_256_bytes:
-
     ldy     #$00
+
 @loop2:
-    lda     CH395_DATA_PORT ; set length
+    lda     CH395_DATA_PORT ; set ptr2
     sta     (ptr1),y
     iny
     bne     @loop2
 
     inc     ptr1+1
 
-    lda     length+1
+    lda     ptr2+1
     cmp     #$01
     beq     @exit
-    dec     length+1
+    dec     ptr2+1
     jmp     @read_256_bytes
 @exit:
-    lda     length
+    lda     ptr2
     beq     @go_rts
-    jsr     @read_only_length
+    jsr     @read_only_ptr2
 @go_rts:
     rts
 
 
 
-@read_only_length:
+@read_only_ptr2:
     ldy     #$00
 @loop:
-    lda     CH395_DATA_PORT ; set length
+    lda     CH395_DATA_PORT ; set ptr2
     sta     (ptr1),y
     iny
-    cpy     length
+    cpy     ptr2
     bne     @loop
     rts
 
 
-length:
+ptr2:
     .res 2
 .endproc