X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=flashloaders%2Fstm32l0x.s;fp=flashloaders%2Fstm32l0x.s;h=fcbd06e396944d5853de798b07b51fe51dbc5b34;hb=f782e931b0c51836ffae8a47618e6c2263607555;hp=9fc44468f5efdcd1fc61eab992d5e8884335870e;hpb=5121ae07c4a58887dcf940c107a4f45422ffd092;p=fw%2Fstlink

diff --git a/flashloaders/stm32l0x.s b/flashloaders/stm32l0x.s
index 9fc4446..fcbd06e 100644
--- a/flashloaders/stm32l0x.s
+++ b/flashloaders/stm32l0x.s
@@ -34,31 +34,29 @@
     .global write
 
 /*
-    r0 - destination address
-    r1 - source address
+    r0 - source address
+    r1 - destination address
     r2 - count
 */
 
-    // Set 0 to r3
-    movs    r3, #0
     // Go to compare
-    b.n test_done
+    b test_done
 
 write_word:
     // Load one word from address in r0, increment by 4
-    ldr    r4, [r1]
+    ldr    r4, [r0]
     // Store the word to address in r1, increment by 4
-    str    r4, [r0]
-    // Increment r3
-    adds    r3, #1
+    str    r4, [r1]
+    // Decrement r2
+    subs    r2, #1
 	adds	r1, #4
 	// does not matter, only first addr is important
 	// next 15 bytes are in sequnce RM0367 page 66
 	adds	r0, #4
 
 test_done:
-    // Compare r3 and r2
-    cmp     r3, r2
+    // Test r2
+    cmp     r2, #0
     // Loop if not zero
     bcc.n    write_word