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some fps counter cosmetics
[picodrive.git]
/
pico
/
m68kif_cyclone.s
diff --git
a/pico/m68kif_cyclone.s
b/pico/m68kif_cyclone.s
index
ea5daa6
..
a0a508c
100644
(file)
--- a/
pico/m68kif_cyclone.s
+++ b/
pico/m68kif_cyclone.s
@@
-1,4
+1,10
@@
-@ vim:filetype=armasm
+/*
+ * PicoDrive
+ * (C) notaz, 2009
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
.equ M68K_MEM_SHIFT, 16
.equ M68K_MEM_SHIFT, 16
@@
-18,16
+24,18
@@
cyclone_checkpc:
ldr r1, [r7, #0x60] @ membase
sub r0, r0, r1
cyclone_checkpc:
ldr r1, [r7, #0x60] @ membase
sub r0, r0, r1
- bic r0, r0, #0xff000000
- bics r0, r0, #1
+ and r3, r0, #0xff000000
+ bic r0, r0, #1
+ bics r2, r0, #0xff000000
beq crashed
ldr r1, [r7, #0x6c] @ read16 map
beq crashed
ldr r1, [r7, #0x6c] @ read16 map
- mov r2, r
0
, lsr #M68K_MEM_SHIFT
+ mov r2, r
2
, lsr #M68K_MEM_SHIFT
ldr r1, [r1, r2, lsl #2]
movs r1, r1, lsl #1
bcs crashed
ldr r1, [r1, r2, lsl #2]
movs r1, r1, lsl #1
bcs crashed
+ sub r1, r1, r3
str r1, [r7, #0x60] @ membase
add r0, r0, r1
bx lr
str r1, [r7, #0x60] @ membase
add r0, r0, r1
bx lr
@@
-138,3
+146,4
@@
cyclone_write32: @ u32 a, u32 d
add r0, r0, #2
bx r2
add r0, r0, #2
bx r2
+@ vim:filetype=armasm