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dsp_rom: Remove illegal use of AX with SRS

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Pokechu22
2021-08-16 22:15:19 -07:00
parent c881f4db22
commit a5e2a0d973
4 changed files with 41 additions and 26 deletions
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18
docs/DSP/free_dsp_rom/dsp_rom.ds
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@ -86,11 +86,11 @@ WARNPC 0x8b
ORG 0x8b
; called by GBA ucode
dram_to_cpu:
srs @DSMAH, $AX0.H
srs @DSMAL, $AX0.L
sr @DSMAH, $AX0.H
sr @DSMAL, $AX0.L
si @DSCR, #0x1
srs @DSPA, $AX1.H
srs @DSBL, $AX1.L
sr @DSPA, $AX1.H
sr @DSBL, $AX1.L
call wait_dma+#IROM_BASE
ret
@ -108,11 +108,11 @@ ORG 0xbc
; called by GBA ucode
bootucode_ax:
lris $AC0.M, #0
srs @DSCR, $AC0.M
srs @DSMAH, $AX0.H
srs @DSMAL, $AX0.L
srs @DSPA, $AX1.H
srs @DSBL, $AX1.L
srs @DSCR, $AC0.M
sr @DSMAH, $AX0.H
sr @DSMAL, $AX0.L
sr @DSPA, $AX1.H
sr @DSBL, $AX1.L
call wait_dma+#IROM_BASE
bootucode_ix:

10
docs/DSP/free_dsp_rom/dsp_rom_readme.txt
View File

@ -1,3 +1,13 @@
Legal GC/WII DSP IROM replacement (v0.4)
-------------------------------------------------------
- irom: Minor accuracy and documentation improvements
- irom: Remove use of SRS instruction with AX registers, as those instructions
do not actually exist
Tilka, Pokechu22
17/aug/2021
Legal GC/WII DSP IROM replacement (v0.3.1)
-------------------------------------------------------