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-rw-r--r--asm/bg.s1267
-rw-r--r--src/bg.c1137
2 files changed, 1121 insertions, 1283 deletions
diff --git a/asm/bg.s b/asm/bg.s
index efa94ea79..4c6174543 100644
--- a/asm/bg.s
+++ b/asm/bg.s
@@ -5,1273 +5,6 @@
.text
- thumb_func_start ShowBg
-@ void ShowBg(u8 bg)
-ShowBg: @ 8001B30
- push {lr}
- lsls r0, 24
- lsrs r0, 24
- bl ShowBgInternal
- bl SyncBgVisibilityAndMode
- pop {r0}
- bx r0
- thumb_func_end ShowBg
-
- thumb_func_start HideBg
-@ void HideBg(u8 bg)
-HideBg: @ 8001B44
- push {lr}
- lsls r0, 24
- lsrs r0, 24
- bl HideBgInternal
- bl SyncBgVisibilityAndMode
- pop {r0}
- bx r0
- thumb_func_end HideBg
-
- thumb_func_start SetBgAttribute
-@ void SetBgAttribute(u8 bg, u8 attributeId, u8 value)
-SetBgAttribute: @ 8001B58
- push {r4,lr}
- sub sp, 0x10
- lsls r0, 24
- lsrs r4, r0, 24
- lsls r1, 24
- lsrs r1, 24
- lsls r2, 24
- lsrs r3, r2, 24
- subs r0, r1, 0x1
- cmp r0, 0x6
- bhi _08001C12
- lsls r0, 2
- ldr r1, =_08001B7C
- adds r0, r1
- ldr r0, [r0]
- mov pc, r0
- .pool
- .align 2, 0
-_08001B7C:
- .4byte _08001B98
- .4byte _08001BA8
- .4byte _08001BBA
- .4byte _08001BD0
- .4byte _08001BE4
- .4byte _08001BFC
- .4byte _08001BDA
-_08001B98:
- movs r0, 0xFF
- str r0, [sp]
- str r0, [sp, 0x4]
- str r0, [sp, 0x8]
- str r0, [sp, 0xC]
- adds r0, r4, 0
- adds r1, r3, 0
- b _08001BF2
-_08001BA8:
- movs r0, 0xFF
- str r0, [sp]
- str r0, [sp, 0x4]
- str r0, [sp, 0x8]
- str r0, [sp, 0xC]
- adds r0, r4, 0
- movs r1, 0xFF
- adds r2, r3, 0
- b _08001BF4
-_08001BBA:
- movs r0, 0xFF
- str r0, [sp]
- str r0, [sp, 0x4]
- str r0, [sp, 0x8]
- str r0, [sp, 0xC]
- adds r0, r4, 0
- movs r1, 0xFF
- movs r2, 0xFF
- bl SetBgControlAttributes
- b _08001C12
-_08001BD0:
- str r3, [sp]
- movs r0, 0xFF
- str r0, [sp, 0x4]
- str r0, [sp, 0x8]
- b _08001BEC
-_08001BDA:
- movs r0, 0xFF
- str r0, [sp]
- str r3, [sp, 0x4]
- str r0, [sp, 0x8]
- b _08001BEC
-_08001BE4:
- movs r0, 0xFF
- str r0, [sp]
- str r0, [sp, 0x4]
- str r3, [sp, 0x8]
-_08001BEC:
- str r0, [sp, 0xC]
- adds r0, r4, 0
- movs r1, 0xFF
-_08001BF2:
- movs r2, 0xFF
-_08001BF4:
- movs r3, 0xFF
- bl SetBgControlAttributes
- b _08001C12
-_08001BFC:
- movs r0, 0xFF
- str r0, [sp]
- str r0, [sp, 0x4]
- str r0, [sp, 0x8]
- str r3, [sp, 0xC]
- adds r0, r4, 0
- movs r1, 0xFF
- movs r2, 0xFF
- movs r3, 0xFF
- bl SetBgControlAttributes
-_08001C12:
- add sp, 0x10
- pop {r4}
- pop {r0}
- bx r0
- thumb_func_end SetBgAttribute
-
- thumb_func_start GetBgAttribute
-@ u8 GetBgAttribute(u8 bg, u8 attributeId)
-GetBgAttribute: @ 8001C1C
- push {r4,lr}
- lsls r0, 24
- lsrs r4, r0, 24
- lsls r1, 24
- lsrs r1, 24
- subs r0, r1, 0x1
- cmp r0, 0x9
- bhi _08001CF8
- lsls r0, 2
- ldr r1, =_08001C3C
- adds r0, r1
- ldr r0, [r0]
- mov pc, r0
- .pool
- .align 2, 0
-_08001C3C:
- .4byte _08001C64
- .4byte _08001C6E
- .4byte _08001C78
- .4byte _08001C82
- .4byte _08001C96
- .4byte _08001CA0
- .4byte _08001C8C
- .4byte _08001CAA
- .4byte _08001CD8
- .4byte _08001CE4
-_08001C64:
- adds r0, r4, 0
- movs r1, 0x2
- bl GetBgControlAttribute
- b _08001CDE
-_08001C6E:
- adds r0, r4, 0
- movs r1, 0x3
- bl GetBgControlAttribute
- b _08001CDE
-_08001C78:
- adds r0, r4, 0
- movs r1, 0x4
- bl GetBgControlAttribute
- b _08001CDE
-_08001C82:
- adds r0, r4, 0
- movs r1, 0x5
- bl GetBgControlAttribute
- b _08001CDE
-_08001C8C:
- adds r0, r4, 0
- movs r1, 0x6
- bl GetBgControlAttribute
- b _08001CDE
-_08001C96:
- adds r0, r4, 0
- movs r1, 0x7
- bl GetBgControlAttribute
- b _08001CDE
-_08001CA0:
- adds r0, r4, 0
- movs r1, 0x8
- bl GetBgControlAttribute
- b _08001CDE
-_08001CAA:
- adds r0, r4, 0
- bl GetBgType
- cmp r0, 0
- beq _08001CBC
- cmp r0, 0x1
- beq _08001CCA
- movs r0, 0
- b _08001CFA
-_08001CBC:
- adds r0, r4, 0
- movs r1, 0
- bl GetBgMetricTextMode
- lsls r0, 27
- lsrs r0, 16
- b _08001CFA
-_08001CCA:
- adds r0, r4, 0
- movs r1, 0
- bl GetBgMetricAffineMode
- lsls r0, 24
- lsrs r0, 16
- b _08001CFA
-_08001CD8:
- adds r0, r4, 0
- bl GetBgType
-_08001CDE:
- lsls r0, 16
- lsrs r0, 16
- b _08001CFA
-_08001CE4:
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r1, r0
- ldrh r0, [r1]
- lsls r0, 22
- lsrs r0, 22
- b _08001CFA
- .pool
-_08001CF8:
- ldr r0, =0x0000ffff
-_08001CFA:
- pop {r4}
- pop {r1}
- bx r1
- .pool
- thumb_func_end GetBgAttribute
-
- thumb_func_start ChangeBgX
-@ u32 ChangeBgX(u8 bg, u32 value, u8 op)
-ChangeBgX: @ 8001D04
- push {r4-r6,lr}
- adds r6, r1, 0
- lsls r0, 24
- lsrs r4, r0, 24
- lsls r2, 24
- lsrs r5, r2, 24
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _08001D28
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- bne _08001D2E
-_08001D28:
- movs r0, 0x1
- negs r0, r0
- b _08001E34
-_08001D2E:
- cmp r5, 0x1
- beq _08001D4C
- cmp r5, 0x1
- ble _08001D3A
- cmp r5, 0x2
- beq _08001D60
-_08001D3A:
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x8
- adds r0, r1, r0
- str r6, [r0]
- adds r5, r1, 0
- b _08001D70
- .pool
-_08001D4C:
- ldr r0, =gUnknown_030008F8
- lsls r2, r4, 4
- adds r0, 0x8
- adds r0, r2, r0
- ldr r1, [r0]
- adds r1, r6
- b _08001D6C
- .pool
-_08001D60:
- ldr r0, =gUnknown_030008F8
- lsls r2, r4, 4
- adds r0, 0x8
- adds r0, r2, r0
- ldr r1, [r0]
- subs r1, r6
-_08001D6C:
- str r1, [r0]
- adds r5, r2, 0
-_08001D70:
- bl GetBgMode
- lsls r0, 24
- lsrs r0, 24
- cmp r4, 0x1
- beq _08001DAC
- cmp r4, 0x1
- bgt _08001D8C
- cmp r4, 0
- beq _08001D96
- b _08001E2C
- .pool
-_08001D8C:
- cmp r4, 0x2
- beq _08001DC0
- cmp r4, 0x3
- beq _08001DF8
- b _08001E2C
-_08001D96:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x8]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x10
- bl SetGpuReg
- b _08001E2C
- .pool
-_08001DAC:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x18]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x14
- bl SetGpuReg
- b _08001E2C
- .pool
-_08001DC0:
- cmp r0, 0
- bne _08001DD8
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x28]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x18
- bl SetGpuReg
- b _08001E2C
- .pool
-_08001DD8:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x28]
- lsrs r1, r0, 16
- lsls r0, 16
- lsrs r4, r0, 16
- movs r0, 0x2A
- bl SetGpuReg
- movs r0, 0x28
- adds r1, r4, 0
- bl SetGpuReg
- b _08001E2C
- .pool
-_08001DF8:
- cmp r0, 0
- bne _08001E10
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x38]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x1C
- bl SetGpuReg
- b _08001E2C
- .pool
-_08001E10:
- cmp r0, 0x2
- bne _08001E2C
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x38]
- lsrs r1, r0, 16
- lsls r0, 16
- lsrs r4, r0, 16
- movs r0, 0x3A
- bl SetGpuReg
- movs r0, 0x38
- adds r1, r4, 0
- bl SetGpuReg
-_08001E2C:
- ldr r0, =gUnknown_030008F8
- adds r0, 0x8
- adds r0, r5, r0
- ldr r0, [r0]
-_08001E34:
- pop {r4-r6}
- pop {r1}
- bx r1
- .pool
- thumb_func_end ChangeBgX
-
- thumb_func_start GetBgX
-@ u32 GetBgX(u8 bg)
-GetBgX: @ 8001E40
- push {r4,lr}
- lsls r0, 24
- lsrs r0, 24
- adds r4, r0, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _08001E70
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- beq _08001E70
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x8
- adds r1, r0
- ldr r0, [r1]
- b _08001E74
- .pool
-_08001E70:
- movs r0, 0x1
- negs r0, r0
-_08001E74:
- pop {r4}
- pop {r1}
- bx r1
- thumb_func_end GetBgX
-
- thumb_func_start ChangeBgY
-@ u32 ChangeBgY(u8 bg, u32 value, u8 op)
-ChangeBgY: @ 8001E7C
- push {r4-r6,lr}
- adds r6, r1, 0
- lsls r0, 24
- lsrs r4, r0, 24
- lsls r2, 24
- lsrs r5, r2, 24
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _08001EA0
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- bne _08001EA6
-_08001EA0:
- movs r0, 0x1
- negs r0, r0
- b _08001FAC
-_08001EA6:
- cmp r5, 0x1
- beq _08001EC4
- cmp r5, 0x1
- ble _08001EB2
- cmp r5, 0x2
- beq _08001ED8
-_08001EB2:
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0xC
- adds r0, r1, r0
- str r6, [r0]
- adds r5, r1, 0
- b _08001EE8
- .pool
-_08001EC4:
- ldr r0, =gUnknown_030008F8
- lsls r2, r4, 4
- adds r0, 0xC
- adds r0, r2, r0
- ldr r1, [r0]
- adds r1, r6
- b _08001EE4
- .pool
-_08001ED8:
- ldr r0, =gUnknown_030008F8
- lsls r2, r4, 4
- adds r0, 0xC
- adds r0, r2, r0
- ldr r1, [r0]
- subs r1, r6
-_08001EE4:
- str r1, [r0]
- adds r5, r2, 0
-_08001EE8:
- bl GetBgMode
- lsls r0, 24
- lsrs r0, 24
- cmp r4, 0x1
- beq _08001F24
- cmp r4, 0x1
- bgt _08001F04
- cmp r4, 0
- beq _08001F0E
- b _08001FA4
- .pool
-_08001F04:
- cmp r4, 0x2
- beq _08001F38
- cmp r4, 0x3
- beq _08001F70
- b _08001FA4
-_08001F0E:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0xC]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x12
- bl SetGpuReg
- b _08001FA4
- .pool
-_08001F24:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x1C]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x16
- bl SetGpuReg
- b _08001FA4
- .pool
-_08001F38:
- cmp r0, 0
- bne _08001F50
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x2C]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x1A
- bl SetGpuReg
- b _08001FA4
- .pool
-_08001F50:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x2C]
- lsrs r1, r0, 16
- lsls r0, 16
- lsrs r4, r0, 16
- movs r0, 0x2E
- bl SetGpuReg
- movs r0, 0x2C
- adds r1, r4, 0
- bl SetGpuReg
- b _08001FA4
- .pool
-_08001F70:
- cmp r0, 0
- bne _08001F88
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x3C]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x1E
- bl SetGpuReg
- b _08001FA4
- .pool
-_08001F88:
- cmp r0, 0x2
- bne _08001FA4
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x3C]
- lsrs r1, r0, 16
- lsls r0, 16
- lsrs r4, r0, 16
- movs r0, 0x3E
- bl SetGpuReg
- movs r0, 0x3C
- adds r1, r4, 0
- bl SetGpuReg
-_08001FA4:
- ldr r0, =gUnknown_030008F8
- adds r0, 0xC
- adds r0, r5, r0
- ldr r0, [r0]
-_08001FAC:
- pop {r4-r6}
- pop {r1}
- bx r1
- .pool
- thumb_func_end ChangeBgY
-
- thumb_func_start ChangeBgY_ScreenOff
-@ u32 ChangeBgY_ScreenOff(u8 bg, u32 value, u8 op)
-ChangeBgY_ScreenOff: @ 8001FB8
- push {r4-r6,lr}
- adds r6, r1, 0
- lsls r0, 24
- lsrs r4, r0, 24
- lsls r2, 24
- lsrs r5, r2, 24
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _08001FDC
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- bne _08001FE2
-_08001FDC:
- movs r0, 0x1
- negs r0, r0
- b _080020E8
-_08001FE2:
- cmp r5, 0x1
- beq _08002000
- cmp r5, 0x1
- ble _08001FEE
- cmp r5, 0x2
- beq _08002014
-_08001FEE:
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0xC
- adds r0, r1, r0
- str r6, [r0]
- adds r5, r1, 0
- b _08002024
- .pool
-_08002000:
- ldr r0, =gUnknown_030008F8
- lsls r2, r4, 4
- adds r0, 0xC
- adds r0, r2, r0
- ldr r1, [r0]
- adds r1, r6
- b _08002020
- .pool
-_08002014:
- ldr r0, =gUnknown_030008F8
- lsls r2, r4, 4
- adds r0, 0xC
- adds r0, r2, r0
- ldr r1, [r0]
- subs r1, r6
-_08002020:
- str r1, [r0]
- adds r5, r2, 0
-_08002024:
- bl GetBgMode
- lsls r0, 24
- lsrs r0, 24
- cmp r4, 0x1
- beq _08002060
- cmp r4, 0x1
- bgt _08002040
- cmp r4, 0
- beq _0800204A
- b _080020E0
- .pool
-_08002040:
- cmp r4, 0x2
- beq _08002074
- cmp r4, 0x3
- beq _080020AC
- b _080020E0
-_0800204A:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0xC]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x12
- bl SetGpuReg_ForcedBlank
- b _080020E0
- .pool
-_08002060:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x1C]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x16
- bl SetGpuReg_ForcedBlank
- b _080020E0
- .pool
-_08002074:
- cmp r0, 0
- bne _0800208C
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x2C]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x1A
- bl SetGpuReg_ForcedBlank
- b _080020E0
- .pool
-_0800208C:
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x2C]
- lsrs r1, r0, 16
- lsls r0, 16
- lsrs r4, r0, 16
- movs r0, 0x2E
- bl SetGpuReg_ForcedBlank
- movs r0, 0x2C
- adds r1, r4, 0
- bl SetGpuReg_ForcedBlank
- b _080020E0
- .pool
-_080020AC:
- cmp r0, 0
- bne _080020C4
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x3C]
- lsls r0, 8
- lsrs r1, r0, 16
- movs r0, 0x1E
- bl SetGpuReg_ForcedBlank
- b _080020E0
- .pool
-_080020C4:
- cmp r0, 0x2
- bne _080020E0
- ldr r0, =gUnknown_030008F8
- ldr r0, [r0, 0x3C]
- lsrs r1, r0, 16
- lsls r0, 16
- lsrs r4, r0, 16
- movs r0, 0x3E
- bl SetGpuReg_ForcedBlank
- movs r0, 0x3C
- adds r1, r4, 0
- bl SetGpuReg_ForcedBlank
-_080020E0:
- ldr r0, =gUnknown_030008F8
- adds r0, 0xC
- adds r0, r5, r0
- ldr r0, [r0]
-_080020E8:
- pop {r4-r6}
- pop {r1}
- bx r1
- .pool
- thumb_func_end ChangeBgY_ScreenOff
-
- thumb_func_start GetBgY
-@ u32 GetBgY(u8 bg)
-GetBgY: @ 80020F4
- push {r4,lr}
- lsls r0, 24
- lsrs r0, 24
- adds r4, r0, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _08002124
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- beq _08002124
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0xC
- adds r1, r0
- ldr r0, [r1]
- b _08002128
- .pool
-_08002124:
- movs r0, 0x1
- negs r0, r0
-_08002128:
- pop {r4}
- pop {r1}
- bx r1
- thumb_func_end GetBgY
-
- thumb_func_start SetBgAffine
-@ void SetBgAffine(u8 bg, u16 srcCenterX, u16 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle)
-SetBgAffine: @ 8002130
- push {r4-r7,lr}
- mov r7, r8
- push {r7}
- sub sp, 0x10
- ldr r4, [sp, 0x28]
- ldr r5, [sp, 0x2C]
- ldr r6, [sp, 0x30]
- ldr r7, [sp, 0x34]
- lsls r0, 24
- lsrs r0, 24
- lsls r7, 16
- lsrs r7, 16
- lsls r3, 16
- asrs r3, 16
- lsls r4, 16
- asrs r4, 16
- str r4, [sp]
- lsls r5, 16
- asrs r5, 16
- str r5, [sp, 0x4]
- lsls r6, 16
- asrs r6, 16
- str r6, [sp, 0x8]
- str r7, [sp, 0xC]
- bl SetBgAffineInternal
- add sp, 0x10
- pop {r3}
- mov r8, r3
- pop {r4-r7}
- pop {r0}
- bx r0
- thumb_func_end SetBgAffine
-
- thumb_func_start Unused_AdjustBgMosaic
-@ u8 Unused_AdjustBgMosaic(u8 a1, u8 a2)
-Unused_AdjustBgMosaic: @ 8002170
- push {r4-r6,lr}
- lsls r0, 24
- lsrs r4, r0, 24
- lsls r1, 24
- lsrs r6, r1, 24
- movs r0, 0x4C
- bl GetGpuReg
- lsls r0, 16
- lsrs r5, r0, 16
- movs r1, 0xF
- movs r3, 0xF
- ands r3, r5
- lsrs r2, r0, 20
- ands r2, r1
- movs r0, 0xFF
- lsls r0, 8
- ands r5, r0
- cmp r6, 0x6
- bhi _080021C4
- lsls r0, r6, 2
- ldr r1, =_080021A8
- adds r0, r1
- ldr r0, [r0]
- mov pc, r0
- .pool
- .align 2, 0
-_080021A8:
- .4byte _080021C4
- .4byte _080021CC
- .4byte _080021D2
- .4byte _080021E4
- .4byte _080021FA
- .4byte _08002200
- .4byte _08002212
-_080021C4:
- movs r3, 0xF
- ands r3, r4
- lsrs r2, r4, 4
- b _08002226
-_080021CC:
- movs r3, 0xF
- ands r3, r4
- b _08002226
-_080021D2:
- lsls r0, r3, 16
- asrs r0, 16
- adds r0, r4
- cmp r0, 0xF
- ble _080021E0
- movs r3, 0xF
- b _08002226
-_080021E0:
- adds r0, r3, r4
- b _080021F4
-_080021E4:
- lsls r0, r3, 16
- asrs r0, 16
- subs r0, r4
- cmp r0, 0
- bge _080021F2
- movs r3, 0
- b _08002226
-_080021F2:
- subs r0, r3, r4
-_080021F4:
- lsls r0, 16
- lsrs r3, r0, 16
- b _08002226
-_080021FA:
- movs r2, 0xF
- ands r2, r4
- b _08002226
-_08002200:
- lsls r0, r2, 16
- asrs r0, 16
- adds r0, r4
- cmp r0, 0xF
- ble _0800220E
- movs r2, 0xF
- b _08002226
-_0800220E:
- adds r0, r2, r4
- b _08002222
-_08002212:
- lsls r0, r2, 16
- asrs r0, 16
- subs r0, r4
- cmp r0, 0
- bge _08002220
- movs r2, 0
- b _08002226
-_08002220:
- subs r0, r2, r4
-_08002222:
- lsls r0, 16
- lsrs r2, r0, 16
-_08002226:
- lsls r0, r2, 16
- asrs r0, 12
- movs r1, 0xF0
- ands r0, r1
- orrs r5, r0
- lsls r0, r3, 16
- asrs r0, 16
- movs r1, 0xF
- ands r0, r1
- orrs r5, r0
- lsls r0, r5, 16
- lsrs r5, r0, 16
- movs r0, 0x4C
- adds r1, r5, 0
- bl SetGpuReg
- lsls r0, r5, 24
- lsrs r0, 24
- pop {r4-r6}
- pop {r1}
- bx r1
- thumb_func_end Unused_AdjustBgMosaic
-
- thumb_func_start SetBgTilemapBuffer
-@ void SetBgTilemapBuffer(u8 bg, void *tilemap)
-SetBgTilemapBuffer: @ 8002250
- push {r4,r5,lr}
- adds r5, r1, 0
- lsls r0, 24
- lsrs r4, r0, 24
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _0800227A
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- beq _0800227A
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x4
- adds r1, r0
- str r5, [r1]
-_0800227A:
- pop {r4,r5}
- pop {r0}
- bx r0
- .pool
- thumb_func_end SetBgTilemapBuffer
-
- thumb_func_start UnsetBgTilemapBuffer
-@ void UnsetBgTilemapBuffer(u8 bg)
-UnsetBgTilemapBuffer: @ 8002284
- push {r4,r5,lr}
- lsls r0, 24
- lsrs r4, r0, 24
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- adds r5, r0, 0
- cmp r5, 0
- bne _080022AE
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- beq _080022AE
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x4
- adds r1, r0
- str r5, [r1]
-_080022AE:
- pop {r4,r5}
- pop {r0}
- bx r0
- .pool
- thumb_func_end UnsetBgTilemapBuffer
-
- thumb_func_start GetBgTilemapBuffer
-@ void *GetBgTilemapBuffer(u8 bg)
-GetBgTilemapBuffer: @ 80022B8
- push {r4,lr}
- lsls r0, 24
- lsrs r0, 24
- adds r4, r0, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _080022E8
- adds r0, r4, 0
- movs r1, 0x1
- bl GetBgControlAttribute
- lsls r0, 16
- cmp r0, 0
- beq _080022E8
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x4
- adds r1, r0
- ldr r0, [r1]
- b _080022EA
- .pool
-_080022E8:
- movs r0, 0
-_080022EA:
- pop {r4}
- pop {r1}
- bx r1
- thumb_func_end GetBgTilemapBuffer
-
- thumb_func_start CopyToBgTilemapBuffer
-@ void CopyToBgTilemapBuffer(u8 bg, void *src, u16 mode, u16 destOffset)
-CopyToBgTilemapBuffer: @ 80022F0
- push {r4-r7,lr}
- mov r7, r10
- mov r6, r9
- mov r5, r8
- push {r5-r7}
- mov r10, r1
- lsls r0, 24
- lsrs r4, r0, 24
- mov r9, r4
- lsls r7, r2, 16
- lsrs r6, r7, 16
- lsls r3, 16
- lsrs r5, r3, 16
- mov r8, r5
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _08002358
- adds r0, r4, 0
- bl IsTileMapOutsideWram
- cmp r0, 0
- bne _08002358
- cmp r6, 0
- beq _08002340
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x4
- adds r1, r0
- lsls r0, r5, 1
- ldr r1, [r1]
- adds r1, r0
- lsrs r2, r7, 17
- mov r0, r10
- bl CpuSet
- b _08002358
- .pool
-_08002340:
- ldr r0, =gUnknown_030008F8
- mov r2, r9
- lsls r1, r2, 4
- adds r0, 0x4
- adds r1, r0
- mov r2, r8
- lsls r0, r2, 1
- ldr r1, [r1]
- adds r1, r0
- mov r0, r10
- bl LZ77UnCompWram
-_08002358:
- pop {r3-r5}
- mov r8, r3
- mov r9, r4
- mov r10, r5
- pop {r4-r7}
- pop {r0}
- bx r0
- .pool
- thumb_func_end CopyToBgTilemapBuffer
-
- thumb_func_start CopyBgTilemapBufferToVram
-@ void CopyBgTilemapBufferToVram(u8 bg)
-CopyBgTilemapBufferToVram: @ 800236C
- push {r4,lr}
- sub sp, 0x4
- lsls r0, 24
- lsrs r4, r0, 24
- adds r0, r4, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _080023C8
- adds r0, r4, 0
- bl IsTileMapOutsideWram
- cmp r0, 0
- bne _080023C8
- adds r0, r4, 0
- bl GetBgType
- cmp r0, 0
- beq _0800239A
- cmp r0, 0x1
- beq _080023A6
- movs r2, 0
- b _080023B2
-_0800239A:
- adds r0, r4, 0
- movs r1, 0
- bl GetBgMetricTextMode
- lsls r0, 27
- b _080023B0
-_080023A6:
- adds r0, r4, 0
- movs r1, 0
- bl GetBgMetricAffineMode
- lsls r0, 24
-_080023B0:
- lsrs r2, r0, 16
-_080023B2:
- ldr r0, =gUnknown_030008F8
- lsls r1, r4, 4
- adds r0, 0x4
- adds r1, r0
- ldr r1, [r1]
- movs r0, 0x2
- str r0, [sp]
- adds r0, r4, 0
- movs r3, 0
- bl LoadBgVram
-_080023C8:
- add sp, 0x4
- pop {r4}
- pop {r0}
- bx r0
- .pool
- thumb_func_end CopyBgTilemapBufferToVram
-
- thumb_func_start CopyToBgTilemapBufferRect
-@ void CopyToBgTilemapBufferRect(u8 bg, void *src, u8 destX, u8 destY, u8 width, u8 height)
-CopyToBgTilemapBufferRect: @ 80023D4
- push {r4-r7,lr}
- mov r7, r10
- mov r6, r9
- mov r5, r8
- push {r5-r7}
- sub sp, 0x4
- mov r8, r1
- ldr r1, [sp, 0x24]
- ldr r4, [sp, 0x28]
- lsls r0, 24
- lsrs r5, r0, 24
- lsls r2, 24
- lsrs r2, 24
- mov r10, r2
- lsls r3, 24
- lsrs r7, r3, 24
- lsls r1, 24
- lsrs r1, 24
- mov r9, r1
- lsls r4, 24
- lsrs r6, r4, 24
- adds r0, r5, 0
- bl IsInvalidBgDuplicate
- cmp r0, 0
- bne _080024C4
- adds r0, r5, 0
- bl IsTileMapOutsideWram
- cmp r0, 0
- bne _080024C4
- adds r0, r5, 0
- bl GetBgType
- cmp r0, 0
- beq _08002422
- cmp r0, 0x1
- beq _08002470
- b _080024C4
-_08002422:
- mov r4, r8
- adds r3, r7, 0
- adds r0, r3, r6
- cmp r3, r0
- bge _080024C4
- mov r12, r0
- lsls r1, r5, 4
- ldr r0, =gUnknown_030008FC
- adds r1, r0
- mov r8, r1
-_08002436:
- mov r2, r10
- mov r1, r9
- adds r0, r2, r1
- adds r7, r3, 0x1
- cmp r2, r0
- bge _08002460
- mov r1, r8
- ldr r6, [r1]
- lsls r5, r3, 5
- adds r3, r0, 0
-_0800244A:
- adds r0, r5, r2
- lsls r0, 1
- adds r0, r6
- ldrh r1, [r4]
- strh r1, [r0]
- adds r4, 0x2
- adds r0, r2, 0x1
- lsls r0, 16
- lsrs r2, r0, 16
- cmp r2, r3
- blt _0800244A
-_08002460:
- lsls r0, r7, 16
- lsrs r3, r0, 16
- cmp r3, r12
- blt _08002436
- b _080024C4
- .pool
-_08002470:
- mov r4, r8
- adds r0, r5, 0
- movs r1, 0x1
- bl GetBgMetricAffineMode
- lsls r0, 16
- lsrs r0, 16
- str r0, [sp]
- adds r3, r7, 0
- adds r0, r3, r6
- cmp r3, r0
- bge _080024C4
- mov r12, r0
- lsls r5, 4
- mov r8, r5
-_0800248E:
- mov r2, r10
- mov r1, r9
- adds r0, r2, r1
- adds r7, r3, 0x1
- cmp r2, r0
- bge _080024BC
- ldr r6, =gUnknown_030008FC
- add r6, r8
- ldr r1, [sp]
- adds r5, r3, 0
- muls r5, r1
- adds r3, r0, 0
-_080024A6:
- ldr r1, [r6]
- adds r0, r5, r2
- adds r1, r0
- ldrb r0, [r4]
- strb r0, [r1]
- adds r4, 0x1
- adds r0, r2, 0x1
- lsls r0, 16
- lsrs r2, r0, 16
- cmp r2, r3
- blt _080024A6
-_080024BC:
- lsls r0, r7, 16
- lsrs r3, r0, 16
- cmp r3, r12
- blt _0800248E
-_080024C4:
- add sp, 0x4
- pop {r3-r5}
- mov r8, r3
- mov r9, r4
- mov r10, r5
- pop {r4-r7}
- pop {r0}
- bx r0
- .pool
- thumb_func_end CopyToBgTilemapBufferRect
-
thumb_func_start CopyToBgTilemapBufferRect_ChangePalette
@ void CopyToBgTilemapBufferRect_ChangePalette(u8 bg, void *src, u8 destX, u8 destY, u8 rectWidth, u8 rectHeight, u8 palette)
CopyToBgTilemapBufferRect_ChangePalette: @ 80024D8
diff --git a/src/bg.c b/src/bg.c
index 37336c7f1..902579b57 100644
--- a/src/bg.c
+++ b/src/bg.c
@@ -40,9 +40,9 @@ struct BgConfig2 {
u32 unk_2:4;
u32 unk_3:18;
- u32 unk_4;
- u32 unk_5;
- u32 unk_6;
+ void* tilemap;
+ u32 bg_x;
+ u32 bg_y;
};
extern struct BgControl gUnknown_030008E0; // gGpuBgConfigs
@@ -53,12 +53,17 @@ extern struct BgConfig gZeroedBgControlStruct;
extern bool32 IsInvalidBgDuplicate(u8 bg);
void ResetBgControlStructs();
+u16 GetBgMetricTextMode(u8 bg, u8 whichMetric);
+u16 GetBgMetricAffineMode(u8 bg, u8 whichMetric);
+u32 GetBgType(u8 bg);
+void SetTextModeAndHideBgs();
+bool8 IsInvalidBg(u8 bg);
+bool32 IsTileMapOutsideWram(u8 bg);
-extern void SetTextModeAndHideBgs();
-extern bool8 IsInvalidBg(u8 bg);
extern void SetGpuReg(u8 regOffset, u16 value);
+extern void SetGpuReg_ForcedBlank(u8 regOffset, u16 value);
extern u16 GetGpuReg(u8 regOffset);
-extern s8 CheckForSpaceForDma3Request(s16 index);
+extern int CheckForSpaceForDma3Request(s16 index);
void ResetBgs(void)
{
@@ -249,7 +254,7 @@ void SetTextModeAndHideBgs()
SetGpuReg(0, GetGpuReg(0) & ~DISPCNT_ALL_BG_AND_MODE_BITS);
}
-void SetBgAffineInternal(u8 bg, u32 srcCenterX, u32 srcCenterY, u16 dispCenterX, u16 dispCenterY, u16 scaleX, u16 scaleY, u16 rotationAngle)
+void SetBgAffineInternal(u8 bg, u32 srcCenterX, u32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle)
{
struct BgAffineSrcData src;
struct BgAffineDstData dest;
@@ -340,9 +345,9 @@ void InitBgsFromTemplates(u8 bgMode, struct BgTemplate *templates, u8 numTemplat
gUnknown_030008F8[bg].unk_2 = 0;
gUnknown_030008F8[bg].unk_3 = 0;
- gUnknown_030008F8[bg].unk_4 = 0;
- gUnknown_030008F8[bg].unk_5 = 0;
- gUnknown_030008F8[bg].unk_6 = 0;
+ gUnknown_030008F8[bg].tilemap = NULL;
+ gUnknown_030008F8[bg].bg_x = 0;
+ gUnknown_030008F8[bg].bg_y = 0;
}
}
}
@@ -366,9 +371,9 @@ void InitBgFromTemplate(struct BgTemplate *template)
gUnknown_030008F8[bg].unk_2 = 0;
gUnknown_030008F8[bg].unk_3 = 0;
- gUnknown_030008F8[bg].unk_4 = 0;
- gUnknown_030008F8[bg].unk_5 = 0;
- gUnknown_030008F8[bg].unk_6 = 0;
+ gUnknown_030008F8[bg].tilemap = NULL;
+ gUnknown_030008F8[bg].bg_x = 0;
+ gUnknown_030008F8[bg].bg_y = 0;
}
}
@@ -449,11 +454,14 @@ u16 Unused_LoadBgPalette(u8 bg, void *src, u16 size, u16 destOffset)
return (u8)cursor;
}
+#ifdef NONMATCHING // Matches everything but r5 and r6 are flipped, rrr
bool8 IsDma3ManagerBusyWithBgCopy(void)
{
- int i;
- u8 div;
u8 mod;
+ u8 div;
+ s8 reqSpace;
+
+ int i;
for (i = 0; i < 0x80; i++)
{
@@ -462,7 +470,8 @@ bool8 IsDma3ManagerBusyWithBgCopy(void)
if ((gUnknown_03000938[div] & (1 << mod)) != FALSE)
{
- if (CheckForSpaceForDma3Request(i) == -1)
+ reqSpace = CheckForSpaceForDma3Request(i);
+ if (reqSpace == -1)
{
return TRUE;
}
@@ -473,3 +482,1099 @@ bool8 IsDma3ManagerBusyWithBgCopy(void)
return FALSE;
}
+#else
+__attribute__((naked))
+bool8 IsDma3ManagerBusyWithBgCopy(void)
+{
+ asm("push {r4-r7,lr}\n\
+ mov r5, #0\n\
+ mov r7, #0x1\n\
+ neg r7, r7\n\
+_08001ADC:\n\
+ add r0, r5, #0\n\
+ cmp r5, #0\n\
+ bge _08001AE4\n\
+ add r0, #0x1F\n\
+_08001AE4:\n\
+ asr r0, #5\n\
+ lsl r2, r0, #24\n\
+ lsl r0, #5\n\
+ sub r0, r5, r0\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ ldr r1, =gUnknown_03000938\n\
+ lsr r2, #22\n\
+ add r4, r2, r1\n\
+ mov r6, #0x1\n\
+ lsl r6, r0\n\
+ ldr r0, [r4]\n\
+ and r0, r6\n\
+ cmp r0, #0\n\
+ beq _08001B22\n\
+ lsl r0, r5, #16\n\
+ asr r0, #16\n\
+ bl CheckForSpaceForDma3Request\n\
+ lsl r0, #24\n\
+ asr r0, #24\n\
+ cmp r0, r7\n\
+ bne _08001B1C\n\
+ mov r0, #0x1\n\
+ b _08001B2A\n\
+ .pool\n\
+_08001B1C:\n\
+ ldr r0, [r4]\n\
+ bic r0, r6\n\
+ str r0, [r4]\n\
+_08001B22:\n\
+ add r5, #0x1\n\
+ cmp r5, #0x7F\n\
+ ble _08001ADC\n\
+ mov r0, #0\n\
+_08001B2A:\n\
+ pop {r4-r7}\n\
+ pop {r1}\n\
+ bx r1\n");
+}
+#endif // NONMATCHING
+
+void ShowBg(u8 bg)
+{
+ ShowBgInternal(bg);
+ SyncBgVisibilityAndMode();
+}
+
+void HideBg(u8 bg)
+{
+ HideBgInternal(bg);
+ SyncBgVisibilityAndMode();
+}
+
+void SetBgAttribute(u8 bg, u8 attributeId, u8 value)
+{
+ switch (attributeId)
+ {
+ case 1:
+ SetBgControlAttributes(bg, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
+ break;
+ case 2:
+ SetBgControlAttributes(bg, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF);
+ break;
+ case 3:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF, 0xFF);
+ break;
+ case 4:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF, 0xFF);
+ break;
+ case 7:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF, 0xFF);
+ break;
+ case 5:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value, 0xFF);
+ break;
+ case 6:
+ SetBgControlAttributes(bg, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, value);
+ break;
+ }
+}
+
+u16 GetBgAttribute(u8 bg, u8 attributeId)
+{
+ switch (attributeId)
+ {
+ case 1:
+ return GetBgControlAttribute(bg, 2);
+ case 2:
+ return GetBgControlAttribute(bg, 3);
+ case 3:
+ return GetBgControlAttribute(bg, 4);
+ case 4:
+ return GetBgControlAttribute(bg, 5);
+ case 7:
+ return GetBgControlAttribute(bg, 6);
+ case 5:
+ return GetBgControlAttribute(bg, 7);
+ case 6:
+ return GetBgControlAttribute(bg, 8);
+ case 8:
+ switch (GetBgType(bg))
+ {
+ case 0:
+ return GetBgMetricTextMode(bg, 0) * 0x800;
+ case 1:
+ return GetBgMetricAffineMode(bg, 0) * 0x100;
+ default:
+ return 0;
+ }
+ case 9:
+ return GetBgType(bg);
+ case 10:
+ return gUnknown_030008F8[bg].unk_1;
+ default:
+ return -1;
+ }
+}
+
+#ifdef NONMATCHING // Everything that uses temp1 doesn't match
+u32 ChangeBgX(u8 bg, u32 value, u8 op)
+{
+ u8 mode;
+ u32 temp1;
+
+ if (IsInvalidBgDuplicate(bg) != FALSE || GetBgControlAttribute(bg, 1) == 0)
+ {
+ return -1;
+ }
+
+ switch (op)
+ {
+ case 0:
+ default:
+ gUnknown_030008F8[bg].bg_x = value;
+ break;
+ case 1:
+ gUnknown_030008F8[bg].bg_x += value;
+ break;
+ case 2:
+ gUnknown_030008F8[bg].bg_x -= value;
+ break;
+ }
+
+ mode = GetBgMode();
+
+ switch (bg)
+ {
+ case 0:
+ SetGpuReg(REG_OFFSET_BG0HOFS, gUnknown_030008F8[0].bg_x >> 0x8);
+ break;
+ case 1:
+ SetGpuReg(REG_OFFSET_BG1HOFS, gUnknown_030008F8[1].bg_x >> 0x8);
+ break;
+ case 2:
+ if (mode == 0)
+ {
+ SetGpuReg(REG_OFFSET_BG2HOFS, gUnknown_030008F8[2].bg_x >> 0x8);
+ }
+ else
+ {
+ temp1 = gUnknown_030008F8[2].bg_x;
+ SetGpuReg(REG_OFFSET_BG2X_H, (u16)(temp1 >> 0x10));
+ SetGpuReg(REG_OFFSET_BG2X_L, (u16)(temp1));
+ }
+ break;
+ case 3:
+ if (mode == 0)
+ {
+ SetGpuReg(REG_OFFSET_BG3HOFS, gUnknown_030008F8[3].bg_x >> 0x8);
+ }
+ else if (mode == 2)
+ {
+ temp1 = gUnknown_030008F8[3].bg_x;
+ SetGpuReg(REG_OFFSET_BG2X_H, (u16)(temp1 >> 0x10));
+ SetGpuReg(REG_OFFSET_BG2X_L, (u16)(temp1));
+ }
+ break;
+ }
+
+ return gUnknown_030008F8[bg].bg_x;
+}
+#else
+__attribute__((naked))
+u32 ChangeBgX(u8 bg, u32 value, u8 op)
+{
+ asm("push {r4-r6,lr}\n\
+ add r6, r1, #0\n\
+ lsl r0, #24\n\
+ lsr r4, r0, #24\n\
+ lsl r2, #24\n\
+ lsr r5, r2, #24\n\
+ add r0, r4, #0\n\
+ bl IsInvalidBgDuplicate\n\
+ cmp r0, #0\n\
+ bne _08001D28\n\
+ add r0, r4, #0\n\
+ mov r1, #0x1\n\
+ bl GetBgControlAttribute\n\
+ lsl r0, #16\n\
+ cmp r0, #0\n\
+ bne _08001D2E\n\
+_08001D28:\n\
+ mov r0, #0x1\n\
+ neg r0, r0\n\
+ b _08001E34\n\
+_08001D2E:\n\
+ cmp r5, #0x1\n\
+ beq _08001D4C\n\
+ cmp r5, #0x1\n\
+ ble _08001D3A\n\
+ cmp r5, #0x2\n\
+ beq _08001D60\n\
+_08001D3A:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r1, r4, #4\n\
+ add r0, #0x8\n\
+ add r0, r1, r0\n\
+ str r6, [r0]\n\
+ add r5, r1, #0\n\
+ b _08001D70\n\
+ .pool\n\
+_08001D4C:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r2, r4, #4\n\
+ add r0, #0x8\n\
+ add r0, r2, r0\n\
+ ldr r1, [r0]\n\
+ add r1, r6\n\
+ b _08001D6C\n\
+ .pool\n\
+_08001D60:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r2, r4, #4\n\
+ add r0, #0x8\n\
+ add r0, r2, r0\n\
+ ldr r1, [r0]\n\
+ sub r1, r6\n\
+_08001D6C:\n\
+ str r1, [r0]\n\
+ add r5, r2, #0\n\
+_08001D70:\n\
+ bl GetBgMode\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ cmp r4, #0x1\n\
+ beq _08001DAC\n\
+ cmp r4, #0x1\n\
+ bgt _08001D8C\n\
+ cmp r4, #0\n\
+ beq _08001D96\n\
+ b _08001E2C\n\
+ .pool\n\
+_08001D8C:\n\
+ cmp r4, #0x2\n\
+ beq _08001DC0\n\
+ cmp r4, #0x3\n\
+ beq _08001DF8\n\
+ b _08001E2C\n\
+_08001D96:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x8]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x10\n\
+ bl SetGpuReg\n\
+ b _08001E2C\n\
+ .pool\n\
+_08001DAC:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x18]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x14\n\
+ bl SetGpuReg\n\
+ b _08001E2C\n\
+ .pool\n\
+_08001DC0:\n\
+ cmp r0, #0\n\
+ bne _08001DD8\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x28]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x18\n\
+ bl SetGpuReg\n\
+ b _08001E2C\n\
+ .pool\n\
+_08001DD8:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x28]\n\
+ lsr r1, r0, #16\n\
+ lsl r0, #16\n\
+ lsr r4, r0, #16\n\
+ mov r0, #0x2A\n\
+ bl SetGpuReg\n\
+ mov r0, #0x28\n\
+ add r1, r4, #0\n\
+ bl SetGpuReg\n\
+ b _08001E2C\n\
+ .pool\n\
+_08001DF8:\n\
+ cmp r0, #0\n\
+ bne _08001E10\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x38]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x1C\n\
+ bl SetGpuReg\n\
+ b _08001E2C\n\
+ .pool\n\
+_08001E10:\n\
+ cmp r0, #0x2\n\
+ bne _08001E2C\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x38]\n\
+ lsr r1, r0, #16\n\
+ lsl r0, #16\n\
+ lsr r4, r0, #16\n\
+ mov r0, #0x3A\n\
+ bl SetGpuReg\n\
+ mov r0, #0x38\n\
+ add r1, r4, #0\n\
+ bl SetGpuReg\n\
+_08001E2C:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ add r0, #0x8\n\
+ add r0, r5, r0\n\
+ ldr r0, [r0]\n\
+_08001E34:\n\
+ pop {r4-r6}\n\
+ pop {r1}\n\
+ bx r1\n\
+ .pool\n");
+}
+#endif // NONMATCHING
+
+#ifdef NONMATCHING // Probably the stupidest nonmatching ever
+u32 GetBgX(u8 bg)
+{
+ if (IsInvalidBgDuplicate(bg) == FALSE && GetBgControlAttribute(bg, 0x1) != 0)
+ {
+ return gUnknown_030008F8[bg].bg_x;
+ }
+ else
+ {
+ return -1;
+ }
+}
+#else
+__attribute__((naked))
+u32 GetBgX(u8 bg)
+{
+ asm("push {r4,lr}\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ add r4, r0, #0\n\
+ bl IsInvalidBgDuplicate\n\
+ cmp r0, #0\n\
+ bne _08001E70\n\
+ add r0, r4, #0\n\
+ mov r1, #0x1\n\
+ bl GetBgControlAttribute\n\
+ lsl r0, #16\n\
+ cmp r0, #0\n\
+ beq _08001E70\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r1, r4, #4\n\
+ add r0, #0x8\n\
+ add r1, r0\n\
+ ldr r0, [r1]\n\
+ b _08001E74\n\
+ .pool\n\
+_08001E70:\n\
+ mov r0, #0x1\n\
+ neg r0, r0\n\
+_08001E74:\n\
+ pop {r4}\n\
+ pop {r1}\n\
+ bx r1\n");
+}
+#endif // NONMATCHING
+
+#ifdef NONMATCHING // Everything that uses temp1 doesn't match
+u32 ChangeBgY(u8 bg, u32 value, u8 op)
+{
+ u8 mode;
+ u32 temp1;
+
+ if (IsInvalidBgDuplicate(bg) != FALSE || GetBgControlAttribute(bg, 1) == 0)
+ {
+ return -1;
+ }
+
+ switch (op)
+ {
+ case 0:
+ default:
+ gUnknown_030008F8[bg].bg_y = value;
+ break;
+ case 1:
+ gUnknown_030008F8[bg].bg_y += value;
+ break;
+ case 2:
+ gUnknown_030008F8[bg].bg_y -= value;
+ break;
+ }
+
+ mode = GetBgMode();
+
+ switch (bg)
+ {
+ case 0:
+ SetGpuReg(REG_OFFSET_BG0VOFS, gUnknown_030008F8[0].bg_y >> 0x8);
+ break;
+ case 1:
+ SetGpuReg(REG_OFFSET_BG1VOFS, gUnknown_030008F8[1].bg_y >> 0x8);
+ break;
+ case 2:
+ if (mode == 0)
+ {
+ SetGpuReg(REG_OFFSET_BG2VOFS, gUnknown_030008F8[2].bg_y >> 0x8);
+ }
+ else
+ {
+ temp1 = gUnknown_030008F8[2].bg_y;
+
+ SetGpuReg(REG_OFFSET_BG2Y_H, (u16)(temp1 >> 0x10));
+ SetGpuReg(REG_OFFSET_BG2Y_L, (u16)(temp1));
+ }
+ break;
+ case 3:
+ if (mode == 0)
+ {
+ SetGpuReg(REG_OFFSET_BG3VOFS, gUnknown_030008F8[3].bg_y >> 0x8);
+ }
+ else if (mode == 2)
+ {
+ temp1 = gUnknown_030008F8[3].bg_y;
+
+ SetGpuReg(REG_OFFSET_BG3Y_H, (u16)(temp1 >> 0x10));
+ SetGpuReg(REG_OFFSET_BG3Y_L, (u16)(temp1));
+ }
+ break;
+ }
+
+ return gUnknown_030008F8[bg].bg_y;
+}
+#else
+__attribute__((naked))
+u32 ChangeBgY(u8 bg, u32 value, u8 op)
+{
+ asm("push {r4-r6,lr}\n\
+ add r6, r1, #0\n\
+ lsl r0, #24\n\
+ lsr r4, r0, #24\n\
+ lsl r2, #24\n\
+ lsr r5, r2, #24\n\
+ add r0, r4, #0\n\
+ bl IsInvalidBgDuplicate\n\
+ cmp r0, #0\n\
+ bne _08001EA0\n\
+ add r0, r4, #0\n\
+ mov r1, #0x1\n\
+ bl GetBgControlAttribute\n\
+ lsl r0, #16\n\
+ cmp r0, #0\n\
+ bne _08001EA6\n\
+_08001EA0:\n\
+ mov r0, #0x1\n\
+ neg r0, r0\n\
+ b _08001FAC\n\
+_08001EA6:\n\
+ cmp r5, #0x1\n\
+ beq _08001EC4\n\
+ cmp r5, #0x1\n\
+ ble _08001EB2\n\
+ cmp r5, #0x2\n\
+ beq _08001ED8\n\
+_08001EB2:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r1, r4, #4\n\
+ add r0, #0xC\n\
+ add r0, r1, r0\n\
+ str r6, [r0]\n\
+ add r5, r1, #0\n\
+ b _08001EE8\n\
+ .pool\n\
+_08001EC4:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r2, r4, #4\n\
+ add r0, #0xC\n\
+ add r0, r2, r0\n\
+ ldr r1, [r0]\n\
+ add r1, r6\n\
+ b _08001EE4\n\
+ .pool\n\
+_08001ED8:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r2, r4, #4\n\
+ add r0, #0xC\n\
+ add r0, r2, r0\n\
+ ldr r1, [r0]\n\
+ sub r1, r6\n\
+_08001EE4:\n\
+ str r1, [r0]\n\
+ add r5, r2, #0\n\
+_08001EE8:\n\
+ bl GetBgMode\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ cmp r4, #0x1\n\
+ beq _08001F24\n\
+ cmp r4, #0x1\n\
+ bgt _08001F04\n\
+ cmp r4, #0\n\
+ beq _08001F0E\n\
+ b _08001FA4\n\
+ .pool\n\
+_08001F04:\n\
+ cmp r4, #0x2\n\
+ beq _08001F38\n\
+ cmp r4, #0x3\n\
+ beq _08001F70\n\
+ b _08001FA4\n\
+_08001F0E:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0xC]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x12\n\
+ bl SetGpuReg\n\
+ b _08001FA4\n\
+ .pool\n\
+_08001F24:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x1C]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x16\n\
+ bl SetGpuReg\n\
+ b _08001FA4\n\
+ .pool\n\
+_08001F38:\n\
+ cmp r0, #0\n\
+ bne _08001F50\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x2C]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x1A\n\
+ bl SetGpuReg\n\
+ b _08001FA4\n\
+ .pool\n\
+_08001F50:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x2C]\n\
+ lsr r1, r0, #16\n\
+ lsl r0, #16\n\
+ lsr r4, r0, #16\n\
+ mov r0, #0x2E\n\
+ bl SetGpuReg\n\
+ mov r0, #0x2C\n\
+ add r1, r4, #0\n\
+ bl SetGpuReg\n\
+ b _08001FA4\n\
+ .pool\n\
+_08001F70:\n\
+ cmp r0, #0\n\
+ bne _08001F88\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x3C]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x1E\n\
+ bl SetGpuReg\n\
+ b _08001FA4\n\
+ .pool\n\
+_08001F88:\n\
+ cmp r0, #0x2\n\
+ bne _08001FA4\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x3C]\n\
+ lsr r1, r0, #16\n\
+ lsl r0, #16\n\
+ lsr r4, r0, #16\n\
+ mov r0, #0x3E\n\
+ bl SetGpuReg\n\
+ mov r0, #0x3C\n\
+ add r1, r4, #0\n\
+ bl SetGpuReg\n\
+_08001FA4:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ add r0, #0xC\n\
+ add r0, r5, r0\n\
+ ldr r0, [r0]\n\
+_08001FAC:\n\
+ pop {r4-r6}\n\
+ pop {r1}\n\
+ bx r1\n\
+ .pool\n");
+}
+#endif // NONMATCHING
+
+#ifdef NONMATCHING // Same issue as ChangeBgX and ChangeBgY
+u32 ChangeBgY_ScreenOff(u8 bg, u32 value, u8 op)
+{
+ u8 mode;
+ u16 temp1;
+
+ if (IsInvalidBgDuplicate(bg) != FALSE || GetBgControlAttribute(bg, 1) == 0)
+ {
+ return -1;
+ }
+
+ switch (op)
+ {
+ case 0:
+ default:
+ gUnknown_030008F8[bg].bg_y = value;
+ break;
+ case 1:
+ gUnknown_030008F8[bg].bg_y += value;
+ break;
+ case 2:
+ gUnknown_030008F8[bg].bg_y -= value;
+ break;
+ }
+
+ mode = GetBgMode();
+
+ switch (bg)
+ {
+ case 0:
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG0VOFS, gUnknown_030008F8[0].bg_y >> 0x8);
+ break;
+ case 1:
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG1VOFS, gUnknown_030008F8[1].bg_y >> 0x8);
+ break;
+ case 2:
+ if (mode == 0)
+ {
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG2VOFS, gUnknown_030008F8[2].bg_y >> 0x8);
+
+ }
+ else
+ {
+ temp1 = gUnknown_030008F8[2].bg_y;
+
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_H, (gUnknown_030008F8[2].bg_y >> 0x10));
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG2Y_L, (temp1));
+ }
+ break;
+ case 3:
+ if (mode == 0)
+ {
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG3VOFS, gUnknown_030008F8[3].bg_y >> 0x8);
+ }
+ else if (mode == 2)
+ {
+ temp1 = gUnknown_030008F8[3].bg_y;
+
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_H, (gUnknown_030008F8[3].bg_y >> 0x10));
+ SetGpuReg_ForcedBlank(REG_OFFSET_BG3Y_L, (temp1));
+ }
+ break;
+ }
+
+ return gUnknown_030008F8[bg].bg_y;
+}
+#else
+__attribute__((naked))
+u32 ChangeBgY_ScreenOff(u8 bg, u32 value, u8 op)
+{
+ asm("push {r4-r6,lr}\n\
+ add r6, r1, #0\n\
+ lsl r0, #24\n\
+ lsr r4, r0, #24\n\
+ lsl r2, #24\n\
+ lsr r5, r2, #24\n\
+ add r0, r4, #0\n\
+ bl IsInvalidBgDuplicate\n\
+ cmp r0, #0\n\
+ bne _08001FDC\n\
+ add r0, r4, #0\n\
+ mov r1, #0x1\n\
+ bl GetBgControlAttribute\n\
+ lsl r0, #16\n\
+ cmp r0, #0\n\
+ bne _08001FE2\n\
+_08001FDC:\n\
+ mov r0, #0x1\n\
+ neg r0, r0\n\
+ b _080020E8\n\
+_08001FE2:\n\
+ cmp r5, #0x1\n\
+ beq _08002000\n\
+ cmp r5, #0x1\n\
+ ble _08001FEE\n\
+ cmp r5, #0x2\n\
+ beq _08002014\n\
+_08001FEE:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r1, r4, #4\n\
+ add r0, #0xC\n\
+ add r0, r1, r0\n\
+ str r6, [r0]\n\
+ add r5, r1, #0\n\
+ b _08002024\n\
+ .pool\n\
+_08002000:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r2, r4, #4\n\
+ add r0, #0xC\n\
+ add r0, r2, r0\n\
+ ldr r1, [r0]\n\
+ add r1, r6\n\
+ b _08002020\n\
+ .pool\n\
+_08002014:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r2, r4, #4\n\
+ add r0, #0xC\n\
+ add r0, r2, r0\n\
+ ldr r1, [r0]\n\
+ sub r1, r6\n\
+_08002020:\n\
+ str r1, [r0]\n\
+ add r5, r2, #0\n\
+_08002024:\n\
+ bl GetBgMode\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ cmp r4, #0x1\n\
+ beq _08002060\n\
+ cmp r4, #0x1\n\
+ bgt _08002040\n\
+ cmp r4, #0\n\
+ beq _0800204A\n\
+ b _080020E0\n\
+ .pool\n\
+_08002040:\n\
+ cmp r4, #0x2\n\
+ beq _08002074\n\
+ cmp r4, #0x3\n\
+ beq _080020AC\n\
+ b _080020E0\n\
+_0800204A:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0xC]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x12\n\
+ bl SetGpuReg_ForcedBlank\n\
+ b _080020E0\n\
+ .pool\n\
+_08002060:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x1C]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x16\n\
+ bl SetGpuReg_ForcedBlank\n\
+ b _080020E0\n\
+ .pool\n\
+_08002074:\n\
+ cmp r0, #0\n\
+ bne _0800208C\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x2C]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x1A\n\
+ bl SetGpuReg_ForcedBlank\n\
+ b _080020E0\n\
+ .pool\n\
+_0800208C:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x2C]\n\
+ lsr r1, r0, #16\n\
+ lsl r0, #16\n\
+ lsr r4, r0, #16\n\
+ mov r0, #0x2E\n\
+ bl SetGpuReg_ForcedBlank\n\
+ mov r0, #0x2C\n\
+ add r1, r4, #0\n\
+ bl SetGpuReg_ForcedBlank\n\
+ b _080020E0\n\
+ .pool\n\
+_080020AC:\n\
+ cmp r0, #0\n\
+ bne _080020C4\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x3C]\n\
+ lsl r0, #8\n\
+ lsr r1, r0, #16\n\
+ mov r0, #0x1E\n\
+ bl SetGpuReg_ForcedBlank\n\
+ b _080020E0\n\
+ .pool\n\
+_080020C4:\n\
+ cmp r0, #0x2\n\
+ bne _080020E0\n\
+ ldr r0, =gUnknown_030008F8\n\
+ ldr r0, [r0, #0x3C]\n\
+ lsr r1, r0, #16\n\
+ lsl r0, #16\n\
+ lsr r4, r0, #16\n\
+ mov r0, #0x3E\n\
+ bl SetGpuReg_ForcedBlank\n\
+ mov r0, #0x3C\n\
+ add r1, r4, #0\n\
+ bl SetGpuReg_ForcedBlank\n\
+_080020E0:\n\
+ ldr r0, =gUnknown_030008F8\n\
+ add r0, #0xC\n\
+ add r0, r5, r0\n\
+ ldr r0, [r0]\n\
+_080020E8:\n\
+ pop {r4-r6}\n\
+ pop {r1}\n\
+ bx r1\n\
+ .pool\n");
+}
+#endif // NONMATCHING
+
+#ifdef NONMATCHING // Probably the stupidest nonmatching ever, electric boogaloo
+u32 GetBgY(u8 bg)
+{
+ if (IsInvalidBgDuplicate(bg) != FALSE || GetBgControlAttribute(bg, 0x1) == 0)
+ {
+ return gUnknown_030008F8[bg].bg_y;
+ }
+ else
+ {
+ return -1;
+ }
+}
+#else
+__attribute__((naked))
+u32 GetBgY(u8 bg)
+{
+ asm("push {r4,lr}\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ add r4, r0, #0\n\
+ bl IsInvalidBgDuplicate\n\
+ cmp r0, #0\n\
+ bne _08002124\n\
+ add r0, r4, #0\n\
+ mov r1, #0x1\n\
+ bl GetBgControlAttribute\n\
+ lsl r0, #16\n\
+ cmp r0, #0\n\
+ beq _08002124\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r1, r4, #4\n\
+ add r0, #0xC\n\
+ add r1, r0\n\
+ ldr r0, [r1]\n\
+ b _08002128\n\
+ .pool\n\
+_08002124:\n\
+ mov r0, #0x1\n\
+ neg r0, r0\n\
+_08002128:\n\
+ pop {r4}\n\
+ pop {r1}\n\
+ bx r1\n");
+}
+#endif // NONMATCHING
+
+void SetBgAffine(u8 bg, u32 srcCenterX, u32 srcCenterY, s16 dispCenterX, s16 dispCenterY, s16 scaleX, s16 scaleY, u16 rotationAngle)
+{
+ SetBgAffineInternal(bg, srcCenterX, srcCenterY, dispCenterX, dispCenterY, scaleX, scaleY, rotationAngle);
+}
+
+u8 Unused_AdjustBgMosaic(u8 a1, u8 a2)
+{
+ u16 result;
+ s16 test1;
+ s16 test2;
+
+ result = GetGpuReg(REG_OFFSET_MOSAIC);
+
+ test1 = result & 0xF;
+ test2 = (result >> 4) & 0xF;
+ result &= 0xFF00;
+
+ switch (a2)
+ {
+ case 0:
+ default:
+ test1 = a1 & 0xF;
+ test2 = a1 >> 0x4;
+ break;
+ case 1:
+ test1 = a1 & 0xF;
+ break;
+ case 2:
+ if ((test1 + a1) > 0xF)
+ {
+ test1 = 0xF;
+ }
+ else
+ {
+ test1 += a1;
+ }
+ break;
+ case 3:
+ if ((test1 - a1) < 0)
+ {
+ test1 = 0x0;
+ }
+ else
+ {
+ test1 -= a1;
+ }
+ break;
+ case 4:
+ test2 = a1 & 0xF;
+ break;
+ case 5:
+ if ((test2 + a1) > 0xF)
+ {
+ test2 = 0xF;
+ }
+ else
+ {
+ test2 += a1;
+ }
+ break;
+ case 6:
+ if ((test2 - a1) < 0)
+ {
+ test2 = 0x0;
+ }
+ else
+ {
+ test2 -= a1;
+ }
+ break;
+ }
+
+ result |= ((test2 << 0x4) & 0xF0);
+ result |= (test1 & 0xF);
+
+ SetGpuReg(REG_OFFSET_MOSAIC, result);
+
+ return result;
+}
+
+void SetBgTilemapBuffer(u8 bg, void *tilemap)
+{
+ if (IsInvalidBgDuplicate(bg) == FALSE && GetBgControlAttribute(bg, 0x1) != 0x0)
+ {
+ gUnknown_030008F8[bg].tilemap = tilemap;
+ }
+}
+
+void UnsetBgTilemapBuffer(u8 bg)
+{
+ if (IsInvalidBgDuplicate(bg) == FALSE && GetBgControlAttribute(bg, 0x1) != 0x0)
+ {
+ gUnknown_030008F8[bg].tilemap = NULL;
+ }
+}
+
+#ifdef NONMATCHING // Probably the stupidest nonmatching ever pt 3
+void* GetBgTilemapBuffer(u8 bg)
+{
+ if (IsInvalidBgDuplicate(bg) == FALSE && GetBgControlAttribute(bg, 0x1) != 0)
+ {
+ return gUnknown_030008F8[bg].tilemap;
+ }
+ else
+ {
+ return NULL;
+ }
+}
+#else
+__attribute__((naked))
+void* GetBgTilemapBuffer(u8 bg)
+{
+ asm("push {r4,lr}\n\
+ lsl r0, #24\n\
+ lsr r0, #24\n\
+ add r4, r0, #0\n\
+ bl IsInvalidBgDuplicate\n\
+ cmp r0, #0\n\
+ bne _080022E8\n\
+ add r0, r4, #0\n\
+ mov r1, #0x1\n\
+ bl GetBgControlAttribute\n\
+ lsl r0, #16\n\
+ cmp r0, #0\n\
+ beq _080022E8\n\
+ ldr r0, =gUnknown_030008F8\n\
+ lsl r1, r4, #4\n\
+ add r0, #0x4\n\
+ add r1, r0\n\
+ ldr r0, [r1]\n\
+ b _080022EA\n\
+ .pool\n\
+_080022E8:\n\
+ mov r0, #0\n\
+_080022EA:\n\
+ pop {r4}\n\
+ pop {r1}\n\
+ bx r1\n");
+}
+#endif // NONMATCHING
+
+void CopyToBgTilemapBuffer(u8 bg, void *src, u16 mode, u16 destOffset)
+{
+ if (IsInvalidBgDuplicate(bg) == FALSE && IsTileMapOutsideWram(bg) == FALSE)
+ {
+ if (mode != 0)
+ {
+ CpuCopy16(src, (void *)(gUnknown_030008F8[bg].tilemap + (destOffset * 2)), mode);
+ }
+ else
+ {
+ LZ77UnCompWram(src, (void *)(gUnknown_030008F8[bg].tilemap + (destOffset * 2)));
+ }
+ }
+}
+
+void CopyBgTilemapBufferToVram(u8 bg)
+{
+ u16 sizeToLoad;
+
+ if (IsInvalidBgDuplicate(bg) == FALSE && IsTileMapOutsideWram(bg) == FALSE)
+ {
+ switch (GetBgType(bg))
+ {
+ case 0:
+ sizeToLoad = GetBgMetricTextMode(bg, 0) * 0x800;
+ break;
+ case 1:
+ sizeToLoad = GetBgMetricAffineMode(bg, 0) * 0x100;
+ break;
+ default:
+ sizeToLoad = 0;
+ break;
+ }
+ LoadBgVram(bg, gUnknown_030008F8[bg].tilemap, sizeToLoad, 0, 2);
+ }
+}
+
+void CopyToBgTilemapBufferRect(u8 bg, void* src, u8 destX, u8 destY, u8 width, u8 height)
+{
+ s16 finalX;
+ s16 finalY;
+ u16 test;
+
+ if (IsInvalidBgDuplicate(bg) == FALSE && IsTileMapOutsideWram(bg) == FALSE)
+ {
+ switch (GetBgType(bg))
+ {
+ case 0:
+ for (finalY = destY + height; destY < finalY; destY++)
+ {
+ for (finalX = destX + width; destX < finalX; destX++)
+ {
+ ((u16*)gUnknown_030008F8[bg].tilemap)[((destY * 0x20) + destX)] = *((u16*)src)++;
+ }
+ }
+ break;
+ case 1:
+ test = GetBgMetricAffineMode(bg, 0x1);
+ for (finalY = destY + height; destY < finalY; destY++)
+ {
+ for (finalX = destX + width; destX < finalX; destX++)
+ {
+ ((u8*)gUnknown_030008F8[bg].tilemap)[((destY * test) + destX)] = *((u8*)src)++;
+ }
+ }
+ break;
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 08:15:54 +0000