From 42dd6c4ebb16f1ad2f0acf0c831577db7e7c3c5c Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@mur.at>
Date: Fri, 22 Jun 2012 01:25:36 +0000
Subject: moved cmd flags to own byte

git-svn-id: https://svn.spreadspace.org/mur.sat@549 7de4ea59-55d0-425e-a1af-a3118ea81d4c
---
 software/idm/idm.asm | 22 +++++++++++++++-------
 1 file changed, 15 insertions(+), 7 deletions(-)

(limited to 'software/idm/idm.asm')

diff --git a/software/idm/idm.asm b/software/idm/idm.asm
index 0bd6007..0782613 100644
--- a/software/idm/idm.asm
+++ b/software/idm/idm.asm
@@ -69,13 +69,16 @@ BUF_ENDL      EQU        H'00BF'
 CMD           EQU        H'0070'
 TMP           EQU        H'0071'
 
+CMDS          EQU        H'007E'
 FLAGS         EQU        H'007F'
 
     ;; bits
+;; CMDS
+#define       CMD_READ   CMDS,0
+
 ;; FLAGS
 #define       UNDERRUN   FLAGS,0
 #define       OVERRUN    FLAGS,1
-#define       CMD_READ   FLAGS,7
   
   ;; -------------------------------------
   ;; Macros
@@ -171,7 +174,7 @@ int_spi
   btfsc     STATUS,Z
   goto      int_spi_r
   ;; other commands
-  bcf       CMD_READ
+  clrf      CMDS
   retfie
 
 int_spi_0
@@ -187,6 +190,7 @@ int_spi_r
   movf      INDFR,w
   btfss     UNDERRUN
   movwf     SSP1BUF
+  clrf      CMDS
   bsf       CMD_READ
   retfie
 
@@ -221,7 +225,6 @@ buf_init
   movwf     FSRRL
   bcf       OVERRUN
   bsf       UNDERRUN
-  bcf       CMD_READ
 
   movf      BSR,w
   clrf      BSR
@@ -378,16 +381,14 @@ endif
 
   bcf       FILTER_EN
   call      buf_init
-
+  clrf      CMDS
   clrf      TMP
 
   bsf       INTCON,GIE
-  
+
   ;; -------------------------------------
   ;; MAINLOOP
 main
-  btfsc     CS
-  bcf       CMD_READ
 if DEBUG == 1
   bcf       SPEAKER
   btfss     DBG0
@@ -401,6 +402,13 @@ enable_t1
   btfss     T1CON,TMR1ON
   bsf       T1CON,TMR1ON
 endif
+  btfss     CS
+  goto      main
+
+powerdown:
+  clrf      CMDS
+  ;; sleep
+  ;; nop
   goto	    main
 
   ;; -------------------------------------
-- 
cgit v1.2.3