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changeset 180:c3145f913f3d

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possible features
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 04 May 2019 11:17:42 +0900
parents 41d578d28d8c
children aa6398acd2d5
files TL1/Todo TL1/test/t4.tl1
diffstat 2 files changed, 37 insertions(+), 6 deletions(-) [+]
line wrap: on
line diff
--- a/TL1/Todo	Mon Apr 15 14:21:00 2019 +0900
+++ b/TL1/Todo	Sat May 04 11:17:42 2019 +0900
@@ -1,3 +1,35 @@
+Sat May  4 10:39:12 JST 2019
+
+    possible extension
+
+    array as an arguments
+      put entire array on stack ( callee's local variable )
+    ARRAY TEND[]               allocate pointer size buffer 2 for 6809, 4 for 32bit, 8 for 64bit
+    anonymous array
+      "test"
+      "test\n\0"
+      INT(0,1,2,3)             ARRAY of CPU endian orderd int
+
+    memory stream
+      DICT := OPENM(INT(2,0))      allocate $200 memory
+    write to the stream  (should be BYTE(0))
+      WRITE(DICT:ASCII(0))
+
+      TEND := POSITION(DICT)      get stream pointer in TENC
+                                  return array offset in frame pointer, copied in caller's code
+      SEEK(DICT,INT(0))             set position in byte
+
+      VAL := SEEK(DICT,TEND)   set absolute position to TEND and get the value
+      K:=SEEKR(DICT,-1)        seek relative and get a value (K can be an array)
+      HASNEXT(DICT)            eof check
+
+   multibyte arithmetic
+      NEG(PTR)
+      PTR := PTR+PTR1
+      PTR := PTR-PTR1
+      PTR := PTR*PTR1
+      PTR := PTR/PTR1
+
 Mon Apr 15 00:18:30 JST 2019
 
     8bit/16bit offset
--- a/TL1/test/t4.tl1	Mon Apr 15 14:21:00 2019 +0900
+++ b/TL1/test/t4.tl1	Sat May 04 11:17:42 2019 +0900
@@ -4,17 +4,16 @@
 VAR DICT,BUF
 ARRAY TEND[2]
 BEGIN
-  POSITION(DICT,TEND)
-  DICT := OPENM($2,0)
+  DICT := OPENM((INT($2,0))
   WRITE(DICT:ASCII(0))
   WRITE(DICT:ASCII(30),ASCII(-'P'),"ROC")
   WRITE(DICT:ASCII(31),ASCII(-'F'),"UNC")
   WRITE(DICT:ASCII(33),ASCII(-'V'),"AR",CRLF)
-  POSITION(DICT,TEND)
-  BUF := OPENM($2,0)
+  TEND := POSITION(DICT)
+  BUF := OPENM(INT($2,0))
   WRITE(BUF:"FUNC",ASCII(0))
   WRITE(0:SEARCH(BUF),CRLF)
-  SEEK(BUF,0)
+  SEEK(BUF,INT(0))
   WRITE(BUF:"NONAME",ASCII(0))
   WRITE(0:SEARCH(BUF),CRLF)
 END
@@ -24,7 +23,7 @@
 ARRAY BEND
 BEGIN
   VAL := SEEK(DICT,TEND)
-  POSITION(BUF,BEND)
+  BEND:=POSITION(BUF)
   WHILE VAL#0 DO [
      C:=SEEKR(BUF,-1)
      K:=SEEKR(DICT,-1)