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doc interrupt funcs

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This commit is contained in:
Seth Barberee
2020-10-16 20:07:03 -05:00
parent 4d967dd694
commit ad82979bfc
4 changed files with 83 additions and 94 deletions
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4
asm/code_800B540.s
View File

@@ -62,7 +62,7 @@ _0800B55C:
ldr r1, _0800B5EC
movs r0, 0x1
strb r0, [r1]
bl sub_800B5F0
bl EnableInterrupts
ldr r1, _0800B5CC
_0800B5BA:
ldrh r0, [r1]
@@ -81,7 +81,7 @@ _0800B5DC: .4byte 0x00002045
_0800B5E0: .4byte 0x04000004
_0800B5E4: .4byte gUnknown_203B0AE
_0800B5E8: .4byte gUnknown_203B0AC
_0800B5EC: .4byte gUnknown_203B098
_0800B5EC: .4byte gInterruptsEnabled
thumb_func_end sub_800B540

116
asm/code_800B5F0.s
View File

@@ -5,30 +5,6 @@
.text
thumb_func_start sub_800B6F4
sub_800B6F4:
push {r4-r6,lr}
adds r4, r0, 0
adds r5, r1, 0
bl sub_800B620
lsls r0, 24
ldr r1, _0800B71C
lsls r4, 2
adds r4, r1
ldr r6, [r4]
str r5, [r4]
cmp r0, 0
beq _0800B712
bl sub_800B5F0
_0800B712:
adds r0, r6, 0
pop {r4-r6}
pop {r1}
bx r1
.align 2, 0
_0800B71C: .4byte gUnknown_202D5F0
thumb_func_end sub_800B6F4
thumb_func_start sub_800B720
sub_800B720:
push {r4-r7,lr}
@@ -41,7 +17,7 @@ sub_800B720:
lsls r0, 16
asrs r0, 16
str r0, [sp, 0xC]
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r0, 24
str r0, [sp, 0x4]
@@ -172,7 +148,7 @@ _0800B80E:
ldr r7, [sp, 0x4]
cmp r7, 0
beq _0800B838
bl sub_800B5F0
bl EnableInterrupts
_0800B838:
movs r1, 0
ldrsh r0, [r6, r1]
@@ -193,7 +169,7 @@ sub_800B850:
push {r4-r7,lr}
lsls r0, 16
asrs r6, r0, 16
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r5, r0, 24
movs r2, 0
@@ -229,7 +205,7 @@ _0800B886:
_0800B896:
cmp r5, 0
beq _0800B8BC
bl sub_800B5F0
bl EnableInterrupts
b _0800B8BC
.align 2, 0
_0800B8A0: .4byte gUnknown_202D608
@@ -244,7 +220,7 @@ _0800B8A8:
_0800B8B4:
cmp r5, 0
beq _0800B8BC
bl sub_800B5F0
bl EnableInterrupts
_0800B8BC:
pop {r4-r7}
pop {r0}
@@ -323,7 +299,7 @@ _0800B920:
bl UpdateSound
_0800B948:
movs r0, 0x1
bl sub_800B67C
bl SetInterruptFlag
pop {r3-r5}
mov r8, r3
mov r9, r4
@@ -438,7 +414,7 @@ _0800BA10:
strh r0, [r2]
_0800BA34:
movs r0, 0x4
bl sub_800B67C
bl SetInterruptFlag
pop {r3}
mov r8, r3
pop {r4-r7}
@@ -553,7 +529,7 @@ Timer3Intr:
bl _call_via_r0
_0800BB26:
movs r0, 0x40
bl sub_800B67C
bl SetInterruptFlag
pop {r0}
bx r0
.align 2, 0
@@ -592,7 +568,7 @@ _0800BB5A:
cmp r0, r1
bne _0800BB5A
_0800BB60:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r0, 24
str r0, [sp]
@@ -644,7 +620,7 @@ _0800BB6C:
ldr r2, [sp]
cmp r2, 0
beq _0800BBD0
bl sub_800B5F0
bl EnableInterrupts
_0800BBD0:
ldr r2, _0800BBF0
ldrh r0, [r2]
@@ -947,7 +923,7 @@ _0800BE40: .4byte 0x000003e7
_0800BE44: .4byte gUnknown_202D68A
_0800BE48: .4byte gUnknown_202D688
_0800BE4C:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r4, r0, 24
strh r6, [r5]
@@ -966,7 +942,7 @@ _0800BE4C:
_0800BE70:
cmp r4, 0
beq _0800BE78
bl sub_800B5F0
bl EnableInterrupts
_0800BE78:
pop {r4-r6}
pop {r0}
@@ -1020,7 +996,7 @@ _0800BED8:
bne _0800BEE0
movs r5, 0x1
_0800BEE0:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r7, r0, 24
ldr r0, _0800BF34
@@ -1052,7 +1028,7 @@ _0800BEE0:
_0800BF26:
cmp r7, 0
beq _0800BF2E
bl sub_800B5F0
bl EnableInterrupts
_0800BF2E:
pop {r4-r7}
pop {r0}
@@ -1098,7 +1074,7 @@ _0800BF7C: .4byte gUnknown_202D68C
thumb_func_start sub_800BF80
sub_800BF80:
push {r4,lr}
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r4, r0, 24
ldr r0, _0800BFBC
@@ -1121,7 +1097,7 @@ _0800BFA2:
strh r1, [r0]
cmp r4, 0
beq _0800BFB6
bl sub_800B5F0
bl EnableInterrupts
_0800BFB6:
pop {r4}
pop {r0}
@@ -1150,7 +1126,7 @@ _0800BFE0:
bne _0800BFE8
movs r4, 0x1
_0800BFE8:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r5, r0, 24
ldr r0, _0800C018
@@ -1197,7 +1173,7 @@ _0800C044:
strh r0, [r1]
cmp r5, 0
beq _0800C054
bl sub_800B5F0
bl EnableInterrupts
_0800C054:
pop {r4,r5}
pop {r0}
@@ -1253,7 +1229,7 @@ _0800C0A4:
beq _0800C0B4
b _0800C1D0
_0800C0B4:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r0, 24
mov r8, r0
@@ -1366,7 +1342,7 @@ _0800C1A0:
mov r0, r8
cmp r0, 0
beq _0800C208
bl sub_800B5F0
bl EnableInterrupts
b _0800C208
.align 2, 0
_0800C1AC: .4byte gUnknown_202D694
@@ -1392,7 +1368,7 @@ _0800C1D0:
.align 2, 0
_0800C1D8: .4byte gUnknown_3000FD8
_0800C1DC:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r5, r0, 24
mov r0, r8
@@ -1412,7 +1388,7 @@ _0800C1FC:
strh r6, [r4, 0x4]
cmp r5, 0
beq _0800C208
bl sub_800B5F0
bl EnableInterrupts
_0800C208:
pop {r3}
mov r8, r3
@@ -1462,7 +1438,7 @@ _0800C22C:
adds r4, r2, r1
cmp r0, 0x1
bls _0800C286
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r6, r0, 24
ldrh r0, [r4, 0x2]
@@ -1475,7 +1451,7 @@ _0800C22C:
_0800C27E:
cmp r6, 0
beq _0800C286
bl sub_800B5F0
bl EnableInterrupts
_0800C286:
pop {r3}
mov r8, r3
@@ -1500,7 +1476,7 @@ sub_800C298:
mov r8, r0
cmp r5, r8
bne _0800C2FC
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r0, 24
mov r9, r0
@@ -1529,7 +1505,7 @@ _0800C2C8:
mov r1, r9
cmp r1, 0
beq _0800C3DE
bl sub_800B5F0
bl EnableInterrupts
b _0800C3DE
.align 2, 0
_0800C2F0: .4byte 0x000003e5
@@ -1563,7 +1539,7 @@ _0800C2FC:
_0800C330: .4byte gMPlayTable
_0800C334: .4byte gUnknown_3000FD8
_0800C338:
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r6, r0, 24
ldrh r0, [r4, 0x2]
@@ -1581,13 +1557,13 @@ _0800C338:
_0800C35A:
cmp r6, 0
beq _0800C3DE
bl sub_800B5F0
bl EnableInterrupts
b _0800C3DE
_0800C364:
ldr r0, _0800C398
cmp r5, r0
bne _0800C3A8
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r4, r0, 24
ldr r0, _0800C39C
@@ -1605,7 +1581,7 @@ _0800C364:
_0800C38C:
cmp r4, 0
beq _0800C3DE
bl sub_800B5F0
bl EnableInterrupts
b _0800C3DE
.align 2, 0
_0800C398: .4byte 0x000003e6
@@ -1618,7 +1594,7 @@ _0800C3A8:
lsls r0, 24
cmp r0, 0
beq _0800C3DE
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r4, r0, 24
ldr r0, _0800C3EC
@@ -1636,7 +1612,7 @@ _0800C3A8:
_0800C3D6:
cmp r4, 0
beq _0800C3DE
bl sub_800B5F0
bl EnableInterrupts
_0800C3DE:
pop {r3-r5}
mov r8, r3
@@ -1680,7 +1656,7 @@ _0800C422:
mov r8, r0
cmp r4, r8
bne _0800C496
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r0, 24
mov r10, r0
@@ -1728,7 +1704,7 @@ _0800C47E:
bne _0800C490
b _0800C5BE
_0800C490:
bl sub_800B5F0
bl EnableInterrupts
b _0800C5BE
_0800C496:
adds r0, r4, 0
@@ -1749,7 +1725,7 @@ _0800C496:
lsls r0, 2
adds r0, r1
ldr r6, [r0]
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r7, r0, 24
ldrh r0, [r5, 0x2]
@@ -1780,13 +1756,13 @@ _0800C4EC:
_0800C4FE:
cmp r7, 0
beq _0800C5BE
bl sub_800B5F0
bl EnableInterrupts
b _0800C5BE
_0800C508:
ldr r0, _0800C53C
cmp r4, r0
bne _0800C564
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r5, r0, 24
ldr r0, _0800C540
@@ -1819,7 +1795,7 @@ _0800C54C:
_0800C556:
cmp r5, 0
beq _0800C5BE
bl sub_800B5F0
bl EnableInterrupts
b _0800C5BE
.align 2, 0
_0800C560: .4byte gUnknown_2000970
@@ -1829,7 +1805,7 @@ _0800C564:
lsls r0, 24
cmp r0, 0
beq _0800C5BE
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r6, r0, 24
ldr r0, _0800C5A0
@@ -1861,7 +1837,7 @@ _0800C5AC:
_0800C5B6:
cmp r6, 0
beq _0800C5BE
bl sub_800B5F0
bl EnableInterrupts
_0800C5BE:
pop {r3-r5}
mov r8, r3
@@ -1931,14 +1907,14 @@ _0800C632:
thumb_func_start SoundVSync
SoundVSync:
push {r4,lr}
bl sub_800B620
bl DisableInterrupts
adds r4, r0, 0
lsls r4, 24
lsrs r4, 24
bl m4aSoundVSync
cmp r4, 0
beq _0800C650
bl sub_800B5F0
bl EnableInterrupts
_0800C650:
pop {r4}
pop {r0}
@@ -2313,7 +2289,7 @@ sub_800C93C:
ldr r0, _0800C988
movs r1, 0x10
bl sub_800C3F8
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r5, r0, 24
ldr r0, _0800C98C
@@ -2361,7 +2337,7 @@ _0800C9AC:
bl m4aSoundVSyncOff
cmp r5, 0
beq _0800C9BE
bl sub_800B5F0
bl EnableInterrupts
_0800C9BE:
pop {r4,r5}
pop {r0}
@@ -2374,7 +2350,7 @@ _0800C9C8: .4byte gUnknown_20008F0
thumb_func_start sub_800C9CC
sub_800C9CC:
push {r4,lr}
bl sub_800B620
bl DisableInterrupts
lsls r0, 24
lsrs r4, r0, 24
bl m4aSoundVSyncOn
@@ -2412,7 +2388,7 @@ _0800CA1C:
_0800CA22:
cmp r4, 0
beq _0800CA2A
bl sub_800B5F0
bl EnableInterrupts
_0800CA2A:
pop {r4}
pop {r0}

55
src/code_800B5F0.c
View File

@@ -1,75 +1,74 @@
#include "global.h"
#include "global.h"
extern u8 gUnknown_203B098;
extern bool8 gInterruptsEnabled;
extern u32 gIntrTable[];
extern u32 IntrMain;
extern u8 gUnknown_202D4B8;
extern u32 gUnknown_202D5F0[];
u8 sub_800B5F0(void)
bool8 EnableInterrupts(void)
{
if(gUnknown_203B098 == 0)
if(gInterruptsEnabled == FALSE)
{
return 0;
return FALSE;
}
if((REG_IME & 1) != 0)
{
return 0;
return FALSE;
}
else
{
REG_IME = 1;
return 1;
return TRUE;
}
}
u8 sub_800B620(void)
bool8 DisableInterrupts(void)
{
if(gUnknown_203B098 == 0)
if(gInterruptsEnabled == 0)
{
return 0;
return FALSE;
}
if((REG_IME & 1) == 0)
{
return 0;
return FALSE;
}
else
{
REG_IME = 0;
return 1;
return TRUE;
}
}
u8 sub_800B650(void)
bool8 sub_800B650(void)
{
if(gUnknown_203B098 == 0)
if(gInterruptsEnabled == FALSE)
{
return 0;
return FALSE;
}
if((REG_IME & 1) != 0)
{
return 0;
return FALSE;
}
else
{
return 1;
return TRUE;
}
}
void sub_800B67C(u16 r0)
void SetInterruptFlag(u16 flag)
{
if(gUnknown_203B098 == 0)
if(gInterruptsEnabled == FALSE)
{
return;
}
REG_IME = 0;
INTR_CHECK |= r0;
INTR_CHECK |= flag;
REG_IME = 1;
}
@@ -84,3 +83,17 @@ u32 *sub_800B6E8(u32 r0)
{
return &gIntrTable[r0];
}
u32 sub_800B6F4(u32 r0, u32 r1)
{
u32 temp;
u32 interrupt_var;
interrupt_var = DisableInterrupts();
temp = gUnknown_202D5F0[r0];
gUnknown_202D5F0[r0] = r1;
if(interrupt_var != FALSE){
EnableInterrupts();
}
return temp;
}

2
sym_ewram2.txt
View File

@@ -86,7 +86,7 @@ gUnknown_203B090 = .; /* 203B090 */
gFileCacheCursorPosition = .; /* 203B094 */
. += 0x4;
gUnknown_203B098 = .; /* 203B098 */
gInterruptsEnabled = .; /* 203B098 */
. += 0x1;
gUnknown_203B099 = .; /* 203B099 */