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fixed a possible deadlock in DrZ80
[picodrive.git]
/
cpu
/
DrZ80
/
drz80.s
diff --git
a/cpu/DrZ80/drz80.s
b/cpu/DrZ80/drz80.s
index
53f4c98
..
16f09af
100644
(file)
--- a/
cpu/DrZ80/drz80.s
+++ b/
cpu/DrZ80/drz80.s
@@
-6669,11
+6669,14
@@
opcode_DD_NF:
;@ mov r0,#0xFD00
\r
;@ orr r0,r0,r1
\r
;@ b end_loop
\r
;@ mov r0,#0xFD00
\r
;@ orr r0,r0,r1
\r
;@ b end_loop
\r
+
\r
opcode_DD_NF2:
\r
opcode_DD_NF2:
\r
- mov r0,#0xDD0000
\r
- orr r0,r0,#0xCB00
\r
- orr r0,r0,r1
\r
- b end_loop
\r
+ fetch 15
\r
+;@ notaz: we don't want to deadlock here
\r
+;@ mov r0,#0xDD0000
\r
+;@ orr r0,r0,#0xCB00
\r
+;@ orr r0,r0,r1
\r
+;@ b end_loop
\r
\r
;@ADD IX,BC
\r
opcode_DD_09:
\r
\r
;@ADD IX,BC
\r
opcode_DD_09:
\r
@@
-8068,8
+8071,8
@@
opcode_ED_BB:
;@from the DD location but the address of the IY reg is passed instead
\r
;@of IX
\r
\r
;@from the DD location but the address of the IY reg is passed instead
\r
;@of IX
\r
\r
-end_loop:
\r
- b end_loop
\r
+
;@
end_loop:
\r
+
;@
b end_loop
\r
\r
\r
\r
\r
\r
\r