From: Brett Gordon <beretta42@gmail.com>
Date: Mon, 21 Sep 2015 06:46:50 +0000 (-0400)
Subject: coco3: implement map_for_swap, swap_map().
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=f4629e0f00601c1db56e762edc24105569c710b3;p=FUZIX.git

coco3: implement map_for_swap, swap_map().
---

diff --git a/Kernel/platform-coco3/coco3.s b/Kernel/platform-coco3/coco3.s
index 9672c4ea..6adf714c 100644
--- a/Kernel/platform-coco3/coco3.s
+++ b/Kernel/platform-coco3/coco3.s
@@ -322,3 +322,12 @@ scrPos	.dw	0xb400		; debugging screen buffer position
 
 
 
+;;; Maps the memory for swap transfers
+;;;   takes: A = swap token ( a page no. )
+;;;   returns: nothing
+map_for_swap
+	sta	0xffa8
+	inca
+	sta	0xffa9
+	rts
+
diff --git a/Kernel/platform-coco3/config.h b/Kernel/platform-coco3/config.h
index 2cf176b1..83501f3b 100644
--- a/Kernel/platform-coco3/config.h
+++ b/Kernel/platform-coco3/config.h
@@ -25,7 +25,7 @@
 #define UDATA_BLOCKS	0	/* We swap the uarea in the data */
 #define UDATA_SWAPSIZE	0
 #define MAX_SWAPS	32
-#define swap_map(x)  ((uint8_t *)(x))
+#define swap_map(x)  ((uint8_t *)(x & 0x3fff ))
 
 /* The Drivewire block dev rawmode=1 doesn't work just now
    with the bank16k.c memory layout (yet), so we have to