From: Tim Vaughan <tgvaughan@gmail.com>
Date: Sun, 9 Oct 2016 00:59:49 +0000 (+1300)
Subject: Added generic input buffer words IB and #IB.
X-Git-Url: https://thelambdalab.xyz/gitweb/index.cgi?p=forth.jl.git;a=commitdiff_plain;h=231a3650050eba3a478b814b149963eb3e0625e7

Added generic input buffer words IB and #IB.
---

diff --git a/src/forth.jl b/src/forth.jl
index acd6c45..c2019d4 100644
--- a/src/forth.jl
+++ b/src/forth.jl
@@ -968,6 +968,14 @@ NUMTIB, NUMTIB_CFA = defNewVar("#TIB", 0)
 FIB_CFA = defConst("FIB", FIB)
 NUMFIB, NUMFIB_CFA = defNewVar("#FIB", 0)
 
+IB_CFA = defPrimWord("IB", () -> begin
+    pushPS(mem[SOURCE_ID] == 0 ? TIB : FIB)
+end)
+
+NUMIB_CFA = defPrimWord("#IB", () -> begin
+    pushPS(mem[SOURCE_ID] == 0 ? NUMTIB : NUMFIB)
+end)
+
 TOIN, TOIN_CFA = defNewVar(">IN", 0)
 
 SOURCE_ID, SOURCE_ID_CFA = defNewVar("SOURCE-ID", 0)
diff --git a/src/lib.4th b/src/lib.4th
index 224e7cb..4f0323d 100644
--- a/src/lib.4th
+++ b/src/lib.4th
@@ -1,5 +1,5 @@
 : \ IMMEDIATE
-        #TIB @ >IN !
+        #IB @ >IN !
 ; \ We can now comment!
 
 \ Compile core definitions