40 lines
968 B
ArmAsm
40 lines
968 B
ArmAsm
$NetBSD: patch-drz80_drz80.s,v 1.1 2015/03/31 15:20:53 joerg Exp $
|
|
|
|
--- drz80/drz80.s.orig 2013-02-09 20:26:18.000000000 +0000
|
|
+++ drz80/drz80.s
|
|
@@ -252,7 +252,7 @@ pico_z80_write16: @ data, addr
|
|
sub r2,z80pc,r1
|
|
str r2,[cpucontext,#previouspc]
|
|
.endif
|
|
- ldrplb r0,[z80pc],#1
|
|
+ ldrbpl r0,[z80pc],#1
|
|
ldrpl pc,[opcodes,r0, lsl #2]
|
|
bmi z80_execute_end
|
|
.endm
|
|
@@ -1385,7 +1385,7 @@ DrZ80Run:
|
|
.if INTERRUPT_MODE == 0
|
|
;@ check ints
|
|
tst r0,#1
|
|
- movnes r0,r0,lsr #8
|
|
+ movsne r0,r0,lsr #8
|
|
blne DoInterrupt
|
|
.endif
|
|
|
|
@@ -1529,7 +1529,7 @@ DoInterrupt_end:
|
|
;@ interupt accepted so callback irq interface
|
|
ldr r0,[cpucontext, #z80irqcallback]
|
|
tst r0,r0
|
|
- ldmeqfd sp!,{pc}
|
|
+ ldmfdeq sp!,{pc}
|
|
stmfd sp!,{r3,r12}
|
|
mov lr,pc
|
|
mov pc,r0 ;@ call callback function
|
|
@@ -5636,7 +5636,7 @@ ei_return:
|
|
ldr opcodes,MAIN_opcodes_POINTER
|
|
;@ check ints
|
|
tst r0,#1
|
|
- movnes r0,r0,lsr #8
|
|
+ movsne r0,r0,lsr #8
|
|
blne DoInterrupt
|
|
;@ continue
|
|
ei_return_exit:
|