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New version from Jens.

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committer: mfx <mfx> 1028263994 +0000
This commit is contained in:
Markus F.X.J. Oberhumer 2002-08-02 04:53:14 +00:00
parent c8fb0994ed
commit ff2bbb7a31
1 changed files with 22 additions and 9 deletions
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31
src/stub/l_psx.asm
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@ -20,10 +20,10 @@
; If not, write to the Free Software Foundation, Inc.,
; 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
;
; Markus F.X.J. Oberhumer Laszlo Molnar
; markus.oberhumer@jk.uni-linz.ac.at ml1050@cdata.tvnet.hu
; Markus F.X.J. Oberhumer Laszlo Molnar
; markus@oberhumer.com ml1050@cdata.tvnet.hu
;
; mips version by ssg
; psOne r3k v1.2 by ssg
INCLUDE "mr3k/macros.asm"
@ -81,22 +81,33 @@ copyloop:
INCLUDE "mr3k/n2d_d32.asm"
; __PSXN2DDZ__
; ;_PSXN2ED0__
; INCLUDE "mr3k/n2e_d32.asm"
; ;;;;;INCLUDE "mr3k/n2e_d32.asm"
; ;_PSXN2EDZ__
; __PSXMSET0__
; __MSETBIG0__
ori a0,zero,'SC' ; amount of removed zero's at eof
sll a0,3 ; (cd mode 2 data sector alignment)
memset:
; __MSETBIGZ__
; __MSETSML0__
ori a0,zero,'SC' ; amount of removed zero's at eof
; __MSETSMLZ__
; __MSETALG0__
memset_aligned:
addi a0,-4
sw zero,0(a2)
bnez a0,memset_aligned
addiu a2,4
; __MSETALGZ__
; __MSETUAL0__
memset_unaligned:
addi a0,-4
swl zero,3(a2)
swr zero,0(a2)
bnez a0,memset
bnez a0,memset_unaligned
addiu a2,4
; __PSXMSETZ__
; __MSETUALZ__
; __PSXEXIT0__
lw at,0(sp)
lw a0,4(sp)
lw a1,8(sp)
lw a2,12(sp)
@ -104,6 +115,7 @@ memset:
lw v0,20(sp)
lw v1,24(sp)
lw ra,28(sp)
lw at,0(sp)
addiu sp,(8*4)
DW 'JPEP' ; marker for the entry jump
addu sp,at
@ -127,3 +139,4 @@ eof:
; section .data
DW -1
DH eof