[PATCH] make firmware/dsp56k/bootstrap.asm buildable on a56
From: Robert Millan
Date: Mon Oct 27 2008 - 18:18:34 EST
[ Please CC me, I'm not subscribed ]
Hi!
Attached patch makes firmware/dsp56k/bootstrap.asm buildable on a56, the
free Motorola DSP56001 assembler (http://www.zdomain.com/a56.html).
Summary of changes:
- Remove '<' and '>' candy (they specify explicit addressing modes,
which a56 don't grok, but uses implicitly anyway).
- Replace 'move' with 'movem' when accessing program memory.
- Rename a few labels to avoid duplicates (which a56 can't handle).
--
Robert Millan
The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
how) you may access your data; but nobody's threatening your freedom: we
still allow you to remove your data and not access it at all."
Signed-off-by: Robert Millan <rmh@xxxxxxxxxxx>
diff --git a/firmware/dsp56k/bootstrap.asm b/firmware/dsp56k/bootstrap.asm
index 10d8919..a411047 100644
--- a/firmware/dsp56k/bootstrap.asm
+++ b/firmware/dsp56k/bootstrap.asm
@@ -51,19 +51,19 @@ start jmp <$40
; Copy DSP program control
move #real,r0
move #upload,r1
- do #upload_end-upload,<_copy
- move P:(r0)+,x0
- move x0,P:(r1)+
-_copy movep #>4,X:<<M_HCR
- movep #>$c00,X:<<M_IPR
+ do #upload_end-upload,_copy
+ movem P:(r0)+,x0
+ movem x0,P:(r1)+
+_copy movep #4,X:<<M_HCR
+ movep #$c00,X:<<M_IPR
and #<$fe,mr
jmp upload
real
org P:$7ea9
upload
- movep #>1,X:<<M_PBC
- movep #>0,X:<<M_BCR
+ movep #1,X:<<M_PBC
+ movep #0,X:<<M_BCR
next jclr #0,X:<<M_HSR,*
movep X:<<M_HRX,A
@@ -81,18 +81,18 @@ _get_length
cmp x0,A
jeq load_Y
-load_P do y0,_load
+load_P do y0,_load_P
jclr #0,X:<<M_HSR,*
movep X:<<M_HRX,P:(r0)+
-_load jmp next
-load_X do y0,_load
+_load_P jmp next
+load_X do y0,_load_X
jclr #0,X:<<M_HSR,*
movep X:<<M_HRX,X:(r0)+
-_load jmp next
-load_Y do y0,_load
+_load_X jmp next
+load_Y do y0,_load_Y
jclr #0,X:<<M_HSR,*
movep X:<<M_HRX,Y:(r0)+
-_load jmp next
+_load_Y jmp next
upload_end
end
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