X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=control.asm;h=81c4c724e384bcaa6b1ae1d3035619c8c6feae4b;hb=5387cfd8dc337d3b83d731c91a2359c4654018da;hp=b6bfe0f005e964ce1773fa025d7d618e01ea95e4;hpb=764d368fcefee647569660b167624506c35175aa;p=rrq%2Frrqforth.git

diff --git a/control.asm b/control.asm
index b6bfe0f..81c4c72 100644
--- a/control.asm
+++ b/control.asm
@@ -165,4 +165,22 @@ p_end_ending:
 	pop rbx
 	next
 
-	
+	WORD p_again,'AGAIN',fasm,IMMEDIATE
+	;; Compiling: ( a 0 * -- )
+	;; Lay out unconditional loop-back, then perform END action
+	mov rax,qword [p_here_DFA]
+	mov qword [rax],p_branch_CFA
+	mov qword [rax+8],0
+	add rax,16
+	mov qword [p_here_DFA],rax
+	mov rbx,rsp
+p_again_loop:
+	cmp qword [rbx],0
+	je p_again_resolve
+	add rbx,8
+	jmp p_again_loop
+p_again_resolve:
+	mov rbx,qword [rbx+8]
+	sub rbx,rax
+	mov qword [rax-8],rbx
+	jmp p_end_DFA