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Do not use registers when not necessary

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This commit is contained in:
Patrice Mandin
2004-11-22 20:36:59 +00:00
parent 1f07ed4880
commit c35b1858d8
1 changed files with 6 additions and 8 deletions
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14
src/video/ataricommon/SDL_xbiosinterrupt.S
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@@ -113,7 +113,7 @@ no_restore_joystick:
.ascii "LSDL"
.comm oldmousevector,4*1
_SDL_AtariXbios_MouseVector:
moveml d0/a1,sp@-
movel d0,sp@-
/* Mouse buttons */
moveb (a0),d0
@@ -131,10 +131,9 @@ _SDL_AtariXbios_MouseVector:
addw d0,_SDL_AtariXbios_mousey
/* Jump through old vector */
movel oldmousevector,a1
jsr (a1)
movel sp@+,d0
moveml sp@+,d0/a1
movel oldmousevector,sp@-
rts
.data
@@ -153,7 +152,7 @@ _SDL_AtariXbios_MouseVector:
.ascii "LSDL"
.comm oldjoystickvector,4*1
_SDL_AtariXbios_JoystickVector:
moveml d0/a1,sp@-
movel d0,sp@-
/* New joystick state */
moveb a0@(1),d0
@@ -161,10 +160,9 @@ _SDL_AtariXbios_JoystickVector:
movew d0,_SDL_AtariXbios_joystick
/* Jump through old vector */
movel oldjoystickvector,a1
jsr (a1)
movel sp@+,d0
moveml sp@+,d0/a1
movel oldjoystickvector,sp@-
rts
.data