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https://github.com/pret/pokediamond.git
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red031000
66 lines
1.4 KiB
ArmAsm
66 lines
1.4 KiB
ArmAsm
.include "asm/macros.inc"
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.include "global.inc"
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.text
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arm_func_start OS_InitContext
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OS_InitContext: ; 0x037F9740
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add r1, r1, #4
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str r1, [r0, #64] ; 0x40
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str r2, [r0, #68] ; 0x44
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sub r2, r2, #64 ; 0x40
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tst r2, #4
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subne r2, r2, #4
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str r2, [r0, #56] ; 0x38
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ands r1, r1, #1
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movne r1, #63 ; 0x3f
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moveq r1, #31
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str r1, [r0]
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mov r1, #0
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str r1, [r0, #4]
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str r1, [r0, #8]
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str r1, [r0, #12]
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str r1, [r0, #16]
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str r1, [r0, #20]
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str r1, [r0, #24]
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str r1, [r0, #28]
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str r1, [r0, #32]
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str r1, [r0, #36] ; 0x24
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str r1, [r0, #40] ; 0x28
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str r1, [r0, #44] ; 0x2c
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str r1, [r0, #48] ; 0x30
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str r1, [r0, #52] ; 0x34
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str r1, [r0, #60] ; 0x3c
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bx lr
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arm_func_start OS_SaveContext
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OS_SaveContext: ; 0x037F97AC
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add r1, r0, #0
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mrs r2, CPSR
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str r2, [r1], #4
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mov r0, #211 ; 0xd3
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msr CPSR_c, r0
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str sp, [r1, #64] ; 0x40
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msr CPSR_c, r2
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mov r0, #1
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stmia r1, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, sp, lr}
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adr r0, _037F97E0
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str r0, [r1, #60] ; 0x3c
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mov r0, #0
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bx lr
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arm_func_start OS_LoadContext
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OS_LoadContext: ; 0x037F97E0
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_037F97E0: ; needed because otherwise it breaks
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mrs r1, CPSR
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bic r1, r1, #31
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orr r1, r1, #211 ; 0xd3
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msr CPSR_c, r1
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ldr r1, [r0], #4
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msr SPSR_fsxc, r1
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ldr sp, [r0, #64] ; 0x40
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ldr lr, [r0, #60] ; 0x3c
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ldmia r0, {r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, sl, fp, ip, sp, lr}^
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nop ; (mov r0, r0)
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subs pc, lr, #4
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