diff options
Diffstat (limited to 'arm9/asm/math_util.s')
| -rw-r--r-- | arm9/asm/math_util.s | 59 |
1 files changed, 32 insertions, 27 deletions
diff --git a/arm9/asm/math_util.s b/arm9/asm/math_util.s index a9ea9e9b..e22b0808 100644 --- a/arm9/asm/math_util.s +++ b/arm9/asm/math_util.s @@ -1,16 +1,21 @@ .include "asm/macros.inc" .include "global.inc" - .extern UNK_02105BAC - .extern UNK_021C56C8 - .extern UNK_021C5348 + .section .bss + + .global gLCRNG_State +gLCRNG_State: ; 0x021C4D48 + .space 4 + + .global gMTRNG_State +gMTRNG_State: ; 0x021C4D4C + .space 624 * 4 + + .extern UNK_020EDC7E .extern UNK_020EDF50 - .extern UNK_021C4D4C - .extern UNK_021C4D50 .extern UNK_020FFA38 .extern UNK_02105BA8 - .extern UNK_020EDC7E - .extern UNK_021C4D48 + .extern UNK_02105BAC .text @@ -108,23 +113,23 @@ _0201B9D0: .word UNK_020EDF50 thumb_func_start getseed_LC getseed_LC: ; 0x0201B9D4 - ldr r0, _0201B9DC ; =UNK_021C4D48 + ldr r0, _0201B9DC ; =gLCRNG_State ldr r0, [r0, #0x0] bx lr nop -_0201B9DC: .word UNK_021C4D48 +_0201B9DC: .word gLCRNG_State thumb_func_start seedr_LC seedr_LC: ; 0x0201B9E0 - ldr r1, _0201B9E8 ; =UNK_021C4D48 + ldr r1, _0201B9E8 ; =gLCRNG_State str r0, [r1, #0x0] bx lr nop -_0201B9E8: .word UNK_021C4D48 +_0201B9E8: .word gLCRNG_State thumb_func_start rand_LC rand_LC: ; 0x0201B9EC - ldr r1, _0201BA04 ; =UNK_021C4D48 + ldr r1, _0201BA04 ; =gLCRNG_State ldr r0, _0201BA08 ; =0x41C64E6D ldr r2, [r1, #0x0] add r3, r2, #0x0 @@ -137,7 +142,7 @@ rand_LC: ; 0x0201B9EC lsr r0, r0, #0x10 bx lr .balign 4 -_0201BA04: .word UNK_021C4D48 +_0201BA04: .word gLCRNG_State _0201BA08: .word 0x41C64E6D _0201BA0C: .word 0x00006073 @@ -153,13 +158,13 @@ _0201BA18: .word 0x6C078965 thumb_func_start seedr_MT seedr_MT: ; 0x0201BA1C push {r4-r5} - ldr r1, _0201BA50 ; =UNK_021C4D48 + ldr r1, _0201BA50 ; =gLCRNG_State mov r4, #0x27 str r0, [r1, #0x4] ldr r1, _0201BA54 ; =UNK_02105BA8 mov r0, #0x1 str r0, [r1, #0x0] - ldr r1, _0201BA58 ; =UNK_021C4D50 + ldr r1, _0201BA58 ; =gMTRNG_State + 4 ldr r3, _0201BA5C ; =0x6C078965 lsl r4, r4, #0x4 _0201BA30: @@ -179,9 +184,9 @@ _0201BA30: pop {r4-r5} bx lr nop -_0201BA50: .word UNK_021C4D48 +_0201BA50: .word gLCRNG_State _0201BA54: .word UNK_02105BA8 -_0201BA58: .word UNK_021C4D50 +_0201BA58: .word gMTRNG_State + 4 _0201BA5C: .word 0x6C078965 thumb_func_start rand_MT @@ -199,7 +204,7 @@ rand_MT: ; 0x0201BA60 ldr r0, _0201BB48 ; =0x00001571 bl seedr_MT _0201BA7A: - ldr r4, _0201BB4C ; =UNK_021C4D4C + ldr r4, _0201BB4C ; =gMTRNG_State ldr r1, _0201BB50 ; =UNK_02105BAC ldr r5, _0201BB54 ; =0x7FFFFFFF ldr r6, _0201BB58 ; =0x00000634 @@ -226,7 +231,7 @@ _0201BA84: ldr r1, _0201BB5C ; =0x0000026F cmp r0, r1 bge _0201BAE4 - ldr r2, _0201BB4C ; =UNK_021C4D4C + ldr r2, _0201BB4C ; =gMTRNG_State lsl r1, r0, #0x2 add r1, r2, r1 mov r2, #0xe3 @@ -255,19 +260,19 @@ _0201BABC: cmp r0, r3 blt _0201BABC _0201BAE4: - ldr r2, _0201BB60 ; =UNK_021C56C8 + ldr r2, _0201BB60 ; =gMTRNG_State + 607 * 4 mov r0, #0x2 ldr r1, [r2, #0x40] lsl r0, r0, #0x1e add r3, r1, #0x0 - ldr r1, _0201BB64 ; =UNK_021C4D48 + ldr r1, _0201BB64 ; =gLCRNG_State and r3, r0 ldr r1, [r1, #0x4] sub r0, r0, #0x1 and r0, r1 add r4, r3, #0x0 orr r4, r0 - ldr r0, _0201BB68 ; =UNK_021C5348 + ldr r0, _0201BB68 ; =gMTRNG_State + 383 * 4 ldr r1, [r0, #0x34] lsr r0, r4, #0x1 add r3, r1, #0x0 @@ -286,7 +291,7 @@ _0201BB18: ldr r2, [r0, #0x0] add r1, r2, #0x1 str r1, [r0, #0x0] - ldr r0, _0201BB4C ; =UNK_021C4D4C + ldr r0, _0201BB4C ; =gMTRNG_State lsl r1, r2, #0x2 ldr r1, [r0, r1] lsr r0, r1, #0xb @@ -307,14 +312,14 @@ _0201BB18: .balign 4 _0201BB44: .word UNK_02105BA8 _0201BB48: .word 0x00001571 -_0201BB4C: .word UNK_021C4D4C +_0201BB4C: .word gMTRNG_State _0201BB50: .word UNK_02105BAC _0201BB54: .word 0x7FFFFFFF _0201BB58: .word 0x00000634 _0201BB5C: .word 0x0000026F -_0201BB60: .word UNK_021C56C8 -_0201BB64: .word UNK_021C4D48 -_0201BB68: .word UNK_021C5348 +_0201BB60: .word gMTRNG_State + 607 * 4 +_0201BB64: .word gLCRNG_State +_0201BB68: .word gMTRNG_State + 383 * 4 _0201BB6C: .word 0x9D2C5680 _0201BB70: .word 0xEFC60000 |