signed 32bit debug print

go32bit.nasm

@@ -378,12 +378,12 @@ WriteProtectedModeString:
 	rep stosw
 	lea edi, [VIDEO + (80*24 + 1)*2]
 	mov eax, dword [Px]
-	shr eax, 6
+	sar eax, 6
 	call StringifyEax10
 
 	lea edi, [VIDEO + (80*24 + 10)*2]
 	mov eax, dword [Py]
-	shr eax, 6
+	sar eax, 6
 	call StringifyEax10
 
 	add [ColorOffset], dword 1
@@ -406,20 +406,32 @@ StringifyEax10:
 
 	xor ecx, ecx   ; Digit count starts at 0
 
+	mov [.sign], byte ' '
+	
+	test eax, eax
+	jns .loop_divide
+
+	neg eax
+	mov [.sign], byte '-'
+
 .loop_divide: ; finds digits and pushes them to stack
 	test eax, eax
 	jz .break_loop_divide
 	xor edx, edx
-	div ebx      ; edx = (edx:eax)%ebx, eax = (edx:eax)/ebx
+	idiv ebx      ; edx = (edx:eax)%ebx, eax = (edx:eax)/ebx
 	inc ecx      ; Increase digit count
 	mov byte [.buffer + ecx], dl
 	jmp .loop_divide
 .break_loop_divide:
 	; dec ecx
-	add edi, 16
+	add edi, 20
 	sub edi, ecx
 	sub edi, ecx
 
+	mov ah, 0x0f
+	mov al, byte [.sign]
+	stosw
+
 .loop_print:
 	test ecx, ecx
 	jz .break_loop_print
@@ -429,10 +441,13 @@ StringifyEax10:
 	stosw
 	dec ecx
 	jmp .loop_print
+
 .break_loop_print:
+
 	popad
 	ret
 .buffer times 40 db 0
+.sign db ' '
 
 
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