mirror of
https://github.com/project-slippi/slippi-ssbm-asm.git
synced 2025-10-05 23:52:43 +02:00
81 lines
1.3 KiB
NASM
81 lines
1.3 KiB
NASM
################################################################################
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# Address: 0x80019ba4
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################################################################################
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.include "Common/Common.s"
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b CODE_START
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STATIC_MEMORY_TABLE_BLRL:
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blrl
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.long 5000 # Period of the alarm
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.fill 0x28, 1, 0 # Alarm struct is 0x28 long (I think)
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ALARM_HANDLER:
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blrl
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# Backup
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mflr r0
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stw r0, 0x4(r1)
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stwu r1,-0xB0(r1) # make space for 12 registers
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stmw r14,0x8(r1)
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# Overwrite volatile registers
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li r3, 0xFF
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li r4, 0xFF
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li r5, 0xFF
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li r6, 0xFF
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li r7, 0xFF
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li r8, 0xFF
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li r9, 0xFF
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li r10, 0xFF
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li r11, 0xFF
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li r12, 0xFF
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# Overwrite non-volatile registers
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li r14, 0xFF
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li r15, 0xFF
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li r16, 0xFF
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li r17, 0xFF
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li r18, 0xFF
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li r19, 0xFF
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li r20, 0xFF
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li r21, 0xFF
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li r22, 0xFF
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li r23, 0xFF
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li r24, 0xFF
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li r25, 0xFF
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li r26, 0xFF
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li r27, 0xFF
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li r28, 0xFF
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li r29, 0xFF
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li r30, 0xFF
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li r31, 0xFF
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# Restore
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lmw r14,0x8(r1)
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lwz r0, 0xB4(r1)
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addi r1,r1,0xB0 # release the space
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mtlr r0
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blr
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CODE_START:
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bl STATIC_MEMORY_TABLE_BLRL
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mflr r3
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addi r3, r3, 0x4
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branchl r12, 0x8034376c # OSCreateAlarm
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bl STATIC_MEMORY_TABLE_BLRL
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mflr r3
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addi r3, r3, 0x4
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li r4, 0
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li r5, 0
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lwz r6, -0x4(r3)
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li r7, 0
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lwz r8, -0x4(r3)
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bl ALARM_HANDLER
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mflr r9
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branchl r12, 0x80343a30 # OSSetPeriodicAlarm
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# replaced code line
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lmw r27, 0x0034 (sp) |