annotate src/isr.inc @ 613:8077ee960199

fix for italian and french language
author heinrichsweikamp
date Wed, 30 Jan 2019 16:27:56 +0100
parents ca4556fb60b9
children c40025d8e750
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
heinrichsweikamp
parents:
diff changeset
1 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
2 ;
heinrichsweikamp
parents:
diff changeset
3 ; File isr.inc
heinrichsweikamp
parents:
diff changeset
4 ;
heinrichsweikamp
parents:
diff changeset
5 ;
heinrichsweikamp
parents:
diff changeset
6 ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved.
heinrichsweikamp
parents:
diff changeset
7 ;=============================================================================
heinrichsweikamp
parents:
diff changeset
8 ; HISTORY
heinrichsweikamp
parents:
diff changeset
9 ; 2011-08-06 : [mH] moving from OSTC code
heinrichsweikamp
parents:
diff changeset
10
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
11 SAFE_2BYTE_COPY MACRO from,to
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
12 local retry
0
heinrichsweikamp
parents:
diff changeset
13 retry:
604
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
14 movff from+1,WREG ; high byte in WREG, ...
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
15 movff WREG,to+1 ; ... and destination
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
16 movff from+0,to+0 ; copy low byte
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
17 movff from+1,TABLAT ; another bank-safe read
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
18 xorwf TABLAT,W ; did the high byte changed?
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
19 bnz retry ; YES - retry
ca4556fb60b9 bump to 2.99beta, work on 3.00 stable
heinrichsweikamp
parents: 0
diff changeset
20 ENDM