From: Ralph Ronnquist <ralph.ronnquist@gmail.com>
Date: Sat, 5 Jun 2021 10:51:58 +0000 (+1000)
Subject: split . into .TEMP rendering, then stdout writing
X-Git-Url: https://git.rrq.au/?a=commitdiff_plain;h=6a3b3b67e53e5d59085a9b9f50f13df50554b8f7;p=rrq%2Frrqforth.git

split . into .TEMP rendering, then stdout writing
---

diff --git a/stdio.asm b/stdio.asm
index dd559c6..1926880 100644
--- a/stdio.asm
+++ b/stdio.asm
@@ -312,32 +312,46 @@ p_double_quote_endstream:
 	WORD p_digits,'DIGITS',dovariable
 	db '0123456789abcdef'
 
-	WORD p_dot,'.',fasm
+	WORD p_dot_temp,'.TEMP',fasm
 	;; ( v -- )
 	;; Print TOP value as unsigned BASE integer
 	pushr rsi
-	mov rax,qword [rsp]
+	mov rdi,p_pad_DFA
+	pop rax
 	cmp rax,0
 	jge p_dot_positive
 	cmp qword [p_base_DFA],10
 	jne p_dot_positive
-	push '-'
-	DOFORTH p_emit
-	mov rax,qword [rsp]
+	mov byte[rdi],'-'
+	inc rdi
 	neg rax
 p_dot_positive:
+	call p_dot_pad_subr
+	xor rax,rax
+	stosb
+	push p_pad_DFA
+	sub rdi,p_pad_DFA
+	push rdi
+	DOFORTH p_str2temp
+	dec qword [rsp] ; don't count the ending NUL
+	popr rsi
+	next
+
+p_dot_pad_subr: ; 
 	xor rdx,rdx
 	div qword [p_base_DFA]	; rdx:rax / BASE => q=rax, r=rdx
-	mov qword [rsp],rdx 
 	cmp rax,0
 	je p_dot_remainder
-	push rax
-	DOFORTH p_dot
-p_dot_remainder:
+	push rdx
+	call p_dot_pad_subr
 	pop rdx
+p_dot_remainder:
 	xor rax,rax
 	mov al,[p_digits_DFA+rdx]
-	push rax
-	DOFORTH p_emit
-	popr rsi
-	next
+	stosb
+	ret
+
+	WORD p_dot,'.'
+	;; ( v -- )
+	;; Print value to stdout
+	dq p_dot_temp, p_literal,1, p_fdtell, p_exit