From: Alan Cox <alan@linux.intel.com>
Date: Wed, 16 May 2018 21:47:31 +0000 (+0100)
Subject: trs80: adjust crt0 so we reclaim all memory between buffers and common
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=cf589dacb393936208d3ae3bddb756a1b2e5111d;p=FUZIX.git

trs80: adjust crt0 so we reclaim all memory between buffers and common

Previously we just clawed back discard, now we use all the space left over
---

diff --git a/Kernel/platform-trs80/crt0.s b/Kernel/platform-trs80/crt0.s
index 722a72be..dc830672 100644
--- a/Kernel/platform-trs80/crt0.s
+++ b/Kernel/platform-trs80/crt0.s
@@ -70,6 +70,11 @@ start:
 		ld bc, #l__BUFFERS - 1
 		ld (hl), #0
 		ldir
+		ld hl,#s__COMMONMEM
+		ld de,#s__DISCARD
+		or a
+		sbc hl,de
+		ld (_discard_size),hl
 		call init_early
 		call init_hardware
 		call _fuzix_main
@@ -79,4 +84,4 @@ stop:		halt
 
 		.area _DISCARD
 _discard_size:
-		.dw l__DISCARD
+		.dw 0