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dolphin/Source/DSPSpy/gba.txt
Soren Jorvang 664cea45c7 Meta: 
Using Unix tools to operate on a tree containing filename with spaces in them
is really annoying, so rename the handful of instances where there were spaces.

Host.cpp has never been used.

Games tend to lookup the following directories that we don't yet have anything
to put in, so prepopulate them in Data/User/Wii:

title/00010001
title/00010002
title/00010003
title/00010004
title/00010005
title/00010006
title/00010007
meta
shared2/title
 
Set eol-style native on a number of text files which didn't already have it.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5572 8ced0084-cf51-0410-be5f-012b33b47a6e
2010-06-02 18:00:22 +00:00

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incdir "tests"
include "dsp_base.inc"
; We'll let dsp_base.inc catch exceptions
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;halt
;rti
;halt
sbset #0x06
sbclr #0x03
sbclr #0x04
sbset #0x05
lri $CR, #0x00ff
lri $WR0, #0xffff
lri $WR1, #0xffff
lri $WR2, #0xffff
lri $WR3, #0xffff
set40
m0
clr15
;step 1: context setup
call send_back_40
call 0x807e ; loop until dsp->cpu mailbox is empty
si @DMBH, #0xdcd1
si @DMBL, #0x0000 ; sendmail 0xdcd10000
si @DIRQ, #0x0001
; wait for cpu mail == 0xabbaxxxx
wait_cpu_init:
call 0x8078
lrs $AC0.L, @CMBL
cmpi $AC0.M, #0xabba
jnz wait_cpu_init
; Next mail has the mram addr of the data to fetch
set16
call 0x8078
lrs $AX0.L, @CMBL
andi $AC0.M, #0x0fff
mrr $AX0.H, $AC0.M
lri $AX1.H, #0x0000 ; DSP-dram addr
lri $AX1.L, #0x0020 ; length (32 bytes = 16 words, word 9 and 10 are addr where result should DMA'd to in main mem)
lri $IX3, #0x0000 ; there will be no ucode/iram upload
lri $AR0, #do_main ; return addr after dram upload
jmp 0x80bc ; DRAM upload !!
; $AX0.H-$AX0.L - CPU(PPC) addr = mail & 0x0fffffff
; upload data from mainmem to dsp dram and jump to 0x41 after that
; ucode addr 0x0041
do_main:
;step 2: got data from cpu, before going into BigCrazyFunction
call send_back
call BigCrazyFunction ; <<------------- main crap is here!!!!!!!!!
call 0x807e ; loop until dsp->cpu mailbox is empty
si @DMBH, #0xdcd1
si @DMBL, #0x0003 ; sendmail 0xdcd10003 (aka... calc is over, result is in main mem now)
si @DIRQ, #0x0001
set40
; wait for cpu to tell us what to do after calc'ing
wait_cpu_end:
call 0x8078
cmpi $AC0.M, #0xcdd1
jnz wait_cpu_end
lrs $AC0.M, @CMBL
cmpi $AC0.M, #0x0001
jz PrepareBootUcode ; if cpu->dsp mail was 0xcdd10001 -> 005e_PrepareBootUcode()
cmpi $AC0.M, #0x0002
jz 0x8000 ; if cpu->dsp mail was 0xcdd10002 -> dsp reset ( jmp to irom(0x8000))
; THIS IS CUSTOM CODE
cmpi $AC0.M, #0xbabe
jz end_of_test ; wait for dsp to be reset by cpu
jmp wait_cpu_end ; wait for next mail from cpu
halt
PrepareBootUcode:
set16
call 0x8078
lrs $AC0.L, @CMBL
call 0x8078
lrs $AC0.L, @CMBL
call 0x8078
lrs $AC0.L, @CMBL
call 0x8078
lr $IX1, @CMBL
andi $AC0.M, #0x0fff
mrr $IX0, $AC0.M
call 0x8078
lr $IX3, @CMBL
call 0x8078
lr $IX2, @CMBL
call 0x8078
lr $AR0, @CMBL
call 0x8078
lrs $AX0.L, @CMBL
andi $AC0.M, #0x0fff
mrr $AX0.H, $AC0.M
call 0x8078
lrs $AX1.L, @CMBL
call 0x8078
lrs $AX1.H, @CMBL
sbclr #0x05
sbclr #0x06
jmp 0x80b5 ; BootUcode()
halt
; does some crazy stuff with data at dram @0x3/0x5/0x6/0x7 with help of some values from drom :)
; result is @0x22,@0x23 and written back to main memory to dmem-0x08:dmem-0x09
BigCrazyFunction:
; {
clr $ACC0
lri $AR1, #0x0010
loopi #0x20
srri @$AR1, $AC0.M
call send_back ;3
lr $AC1.M, @0x1456
call send_back
andi $AC1.M, #0xffd0
call send_back
clrp'mv : $AX1.L, $AC1.M ; assembler doesn't like .m here
call send_back
lri $AR0, #0x0000
call send_back
lri $IX2, #0x0000
call send_back
lri $AR2, #0x001f
call send_back
lr $AC0.M, @0x15f6
call send_back
lsl $ACC0, #8
call send_back
lr $AC1.M, @0x1766
call send_back
andi $AC1.M, #0x00ff
call send_back
mrr $AX0.H, $AC1.M
call send_back
call 0x88e5
call send_back
mrr $AX0.L, $AC0.L
call send_back
clr'mv $ACC0 : $AX1.H, $AC0.M ; assembler doesn't like .m here
call send_back
lrri $AC0.M, @$AR0
call send_back
lsr $ACC0, #-8
call send_back
mrr $AC1.M, $AC0.L
call send_back
mrr $AX0.H, $AC0.M
call send_back
call 0x8809
call send_back
call 0x8723
call send_back
dar $AR2
call send_back
clr'dr $ACC0 : $AR2
call send_back
lr $AC0.M, @0x166c
call send_back
lsl $ACC0, #4
call send_back
andi $AC0.M, #0xff00
call send_back
lr $AC1.M, @0x1231
call send_back
lsr $ACC1, #-8
call send_back
andi $AC1.M, #0x00ff
call send_back
mrr $AX0.H, $AC1.M
call send_back
call 0x88e5
call send_back
mrr $AX0.L, $AC0.L
call send_back
clr'mv $ACC0 : $AX1.H, $AC0.M ; assembler doesn't like .m here
call send_back
lrri $AC0.M, @$AR0
call send_back
lsr $ACC0, #-8
call send_back
mrr $AC1.M, $AC0.L
call send_back
mrr $AX0.H, $AC0.M
call send_back
call 0x8809
call send_back
call 0x8723
call send_back
clr $ACC0
call send_back
clr $ACC1
call send_back
lr $AC1.H, @0x0005
call send_back
asr16 $ACC1
call send_back
cmp
call send_back ;46
jz Unk_00e5
call send_back ;47
jl Unk_00f3
call send_back ;48
; if ( > ) {
; length 12
lri $AR2, #0x0010
call send_back
lri $IX2, #0x0001
call send_back
lr $AC0.H, @0x171b
call send_back
asr16 $ACC0
call send_back
neg $ACC1
call send_back
add $ACC1, $ACC0
call send_back
lsl $ACC1, #1
call send_back
mrr $AX0.H, $AC1.M
call send_back
lr $AC1.M, @0x0003
call send_back
lsl $ACC1, #4
call send_back
call 0x8809
call send_back
jmp Unk_0102
call send_back ;60
; } else if ( == 0) {
; length 8
Unk_00e5:
lri $AR2, #0x0011
call send_back
lr $AC1.M, @0x0003
call send_back
lsl $ACC1, #1
call send_back
mrr $AX0.H, $AC1.M
call send_back
lr $AC0.M, @0x1043
call send_back
andi $AC0.M, #0xfff0
call send_back
call 0x88e5
call send_back ;53
jmp Unk_0102
; } else if ( < ) {
; length 10
Unk_00f3:
lri $AR2, #0x0010
call send_back
lri $IX2, #0x0001
call send_back
lr $AC0.H, @0x1285
call send_back
asr16 $ACC0
call send_back
add $ACC1, $ACC0
call send_back
lsl $ACC1, #1
call send_back
lr $AC0.M, @0x0003
call send_back
lsl $ACC0, #4
call send_back
mrr $AX0.H, $AC0.M
call send_back
call 0x8809
call send_back ;57
; }
Unk_0102:
lri $AR3, #0x0013
call send_back ; either step 60, 53, 57
srri @$AR3, $AC0.M
call send_back
clr's $ACC1 : @$AR3, $AC0.L
call send_back
lri $AR3, #0x0013
call send_back
lr $AC1.M, @0x0007
call send_back
lr $AC0.M, @0x11b8
call send_back
andi $AC0.M, #0xfff0 ;66
call send_back
mrr $AX0.H, $AC0.M
call send_back
;call 0x81f4
mulxac'mv $AX0.H, $AX1.L, $ACC1 : $AX1.H, $AC0.M
call send_back
asr16'ir $ACC1 : $AR1
call send_back ;66
srri @$AR3, $AC1.M
call send_back
clr's $ACC0 : @$AR3, $AC1.L
call send_back
lsl16 $ACC1
call send_back
;call 0x8458 ;66
mulxac'mv $AX0.H, $AX1.L, $ACC1 : $AX1.H, $AC0.M
call send_back
asr16 $ACC1
call send_back
srri @$AR3, $AC1.M
call send_back
clr's $ACC0 : @$AR3, $AC1.L
call send_back
call send_back
set40
call send_back_40
lri $AR2, #0x0015
call send_back_40
lr $AC0.M, @0x0006
call send_back_40
lr $AX0.H, @0x165b
call send_back_40
call 0x88e5
call send_back_40
asr $ACC0, #-3
call send_back_40
lsl $ACC0, #3
call send_back_40
srri @$AR2, $AC0.M
call send_back_40
srri @$AR2, $AC0.L
call send_back_40
lri $AR2, #0x0016
call send_back_40
lr $AC0.M, @0x1723
call send_back_40
asr $ACC0, #-12
call send_back_40
lr $AX0.H, @0x166b
call send_back_40
call 0x88e5
call send_back_40
tst $ACC0
call send_back_40
jge Unk_012e
call send_back_40
clr $ACC0
call send_back_40
Unk_012e:
asr $ACC0, #-3
call send_back_40
set16
;step 4
call send_back
lr $AC1.M, @0x1491
call send_back
andi $AC1.M, #0xd0f0
call send_back
mrr $IX1, $AC1.M
call send_back
lr $AC1.M, @0x1468
call send_back
lr $AC1.H, @0x11fc
call send_back
lsr $ACC1, #-4
call send_back
mrr $IX2, $AC1.M
call send_back
lr $AC1.H, @0x11b8
call send_back
asr16 $ACC1
call send_back
lsl $ACC0, #24
call send_back
lsr $ACC0, #-8
call send_back
mrr $AX0.H, $AC0.M
call send_back
mrr $AC1.M, $AC0.M
call send_back
mrr $AX1.H, $IX1
call send_back
andr $AC0.M, $AX1.H
call send_back
lsl $ACC0, #2
call send_back
mrr $AX1.H, $IX2
call send_back
andr $AC1.M, $AX1.H
call send_back
lsl $ACC1, #1
call send_back
add $ACC0, $ACC1
call send_back
lsl $ACC1, #24
call send_back
asr16 $ACC1
call send_back
andr $AC1.M, $AX0.H
call send_back
add $ACC0, $ACC1
call send_back
lr $AC1.M, @0x0012
call send_back
orc $AC1.M, $AC0.M
call send_back
sr @0x0012, $AC1.M
call send_back
lsr $ACC0, #-16
call send_back
lr $AC1.M, @0x0011
call send_back
orc $AC1.M, $AC0.M
call send_back
sr @0x0011, $AC1.M
call send_back
mrr $AC1.L, $IX1
call send_back
lsl $ACC1, #1
call send_back
mrr $AC1.M, $IX2
call send_back
lsl16 $ACC1
call send_back
asr $ACC1, #-8
call send_back
lsr16 $ACC1
call send_back
mrr $AX0.H, $AC1.M
call send_back
mrr $AX1.H, $AC1.L
call send_back
clr $ACC0
call send_back
lr $AC0.M, @0x0011
call send_back
andr $AC0.M, $AX0.H
call send_back
clr $ACC1
call send_back
lr $AC1.M, @0x0012
call send_back
andr $AC1.M, $AX0.H
call send_back
add $ACC0, $ACC1
call send_back
lr $AC1.M, @0x0012
call send_back
lsr $ACC1, #-8
call send_back
add $ACC0, $ACC1
call send_back
call send_back
clr $ACC1
call send_back
mrr $AC1.M, $AC0.M
call send_back
lsl $ACC1, #8
call send_back
orr $AC1.M, $AX1.H
call send_back
lr $AC0.M, @0x0011
call send_back
orc $AC0.M, $AC1.M
call send_back
lr $AC1.M, @0x0012
call send_back
orr $AC1.M, $AX1.H
call send_back
mrr $IX1, $AC1.M
call send_back
lr $AX0.H, @0x15f1
call send_back
andr $AC1.M, $AX0.H
call send_back
jz else_0192
call send_back
; if () {
lr $AC1.M, @0x10e2
call send_back
lsl $ACC1, #8
call send_back
mrr $AX0.H, $AC1.M
call send_back
lr $AC1.M, @0x103b
call send_back
decm $AC1.M
call send_back
orr $AC1.M, $AX0.H
call send_back
xorc $AC0.M, $AC1.M
call send_back
sr @0x0022, $AC0.M
call send_back
lr $AC0.L, @0x1229
call send_back
lr $AC1.L, @0x11f8
call send_back
sub $ACC0, $ACC1
call send_back
lsl16 $ACC0
call send_back
mrr $AC1.M, $IX1
call send_back
xorc $AC0.M, $AC1.M
call send_back
jmp Unk_01a5
call send_back
; } else {
else_0192:
lr $AC1.M, @0x10ca
call send_back
lsl $ACC1, #8
call send_back
mrr $AX0.H, $AC1.M
call send_back
lr $AC1.M, @0x1043
call send_back
incm $AC1.M
call send_back
orr $AC1.M, $AX0.H
call send_back
xorc $AC0.M, $AC1.M
call send_back
sr @0x0022, $AC0.M
call send_back
lr $AC0.L, @0x1259
call send_back
lr $AC1.L, @0x16fe
call send_back
add $ACC0, $ACC1
call send_back
lsl16 $ACC0
call send_back
mrr $AC1.M, $IX1
call send_back
xorc $AC0.M, $AC1.M
call send_back
; }
Unk_01a5:
; this is where result is written to main memory
; dsp mem 0x20-0x23 (8 bytes) are written back (DMA limitation),
; but only values @22 and @23 were modified (result is 32bit)
sr @0x0023, $AC0.M
call send_back
lr $AX0.H, @0x0008 ; cpu addr high
call send_back
lr $AX0.L, @0x0009 ; cpu addr low
call send_back
lri $AX1.H, #0x0020 ; dsp addr
call send_back
lri $AX1.L, #0x0008 ; length
call send_back
lri $IX3, #0x0000 ; there will be no iram dma
call send_back
call 0x808b ; dram->cpu <<<--- important!!
call send_back
ret
; }
; Free some space for the TROJAN CODEZ
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
;nop
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