From 04e68443040c7abad84d66477e98f93bed701760 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Mon, 4 Feb 2019 13:09:03 +0100
Subject: Initial import

---
 system/base/1.7.5/src/dataspace | 74 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 system/base/1.7.5/src/dataspace

(limited to 'system/base/1.7.5/src/dataspace')

diff --git a/system/base/1.7.5/src/dataspace b/system/base/1.7.5/src/dataspace
new file mode 100644
index 0000000..3045a53
--- /dev/null
+++ b/system/base/1.7.5/src/dataspace
@@ -0,0 +1,74 @@
+(* ------------------- VERSION 3     22.04.86 ------------------- *)
+PACKET dataspace DEFINES 
+
+    := ,
+    nilspace ,
+    forget ,
+    type ,
+    heap size ,
+    storage ,
+    ds pages ,
+    next ds page ,
+    blockout ,
+    blockin ,
+    ALIGN :
+
+
+LET myself id field   = 9 ,
+    lowest ds number  = 4 ,
+    highest ds number = 255 ;
+
+TYPE ALIGN = ROW 252 INT ;
+
+OP := (DATASPACE VAR dest, DATASPACE CONST source ) : 
+  EXTERNAL 70
+ENDOP := ;
+ 
+DATASPACE PROC nilspace : 
+  EXTERNAL 69
+ENDPROC nilspace ;
+ 
+PROC forget (DATASPACE CONST dataspace ) :
+  EXTERNAL 71
+ENDPROC forget ;
+ 
+PROC type (DATASPACE CONST ds, INT CONST type) :
+  EXTERNAL 72
+ENDPROC type ;
+ 
+INT PROC type (DATASPACE CONST ds) :
+  EXTERNAL 73
+ENDPROC type ;
+ 
+INT PROC heap size (DATASPACE CONST ds) :
+  EXTERNAL 74
+ENDPROC heap size ;
+
+INT PROC storage (DATASPACE CONST ds) :
+  (ds pages (ds) + 1) DIV 2
+ENDPROC storage ;
+
+INT PROC ds pages (DATASPACE CONST ds) :
+  pages (ds, pcb (myself id field))
+ENDPROC ds pages ;
+
+INT PROC pages (DATASPACE CONST ds, INT CONST task nr) :
+  EXTERNAL 88
+ENDPROC pages ;
+
+INT PROC next ds page (DATASPACE CONST ds, INT CONST page nr) :
+  EXTERNAL 87
+ENDPROC next ds page ;
+
+PROC blockout (DATASPACE CONST ds, INT CONST page nr, code1, code2,
+               INT VAR return code) :
+  EXTERNAL 85
+ENDPROC blockout ;
+
+PROC blockin (DATASPACE VAR ds, INT CONST page nr, code1, code2,
+              INT VAR return code) :
+  EXTERNAL 86
+ENDPROC blockin ;
+
+ENDPACKET dataspace ;
+
-- 
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