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decompile window_8bpp

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This commit is contained in:
sceptillion
2017-12-18 16:20:58 -08:00
parent cbeb32fae4
commit d116b76608
6 changed files with 139 additions and 456 deletions
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asm/window_8bpp.s
-447
View File
@@ -1,447 +0,0 @@
.include "asm/macros.inc"
.include "constants/constants.inc"
.syntax unified
.text
thumb_func_start nullsub_7
nullsub_7: @ 8005034
bx lr
thumb_func_end nullsub_7
thumb_func_start AddWindow8Bit
AddWindow8Bit: @ 8005038
push {r4-r7,lr}
mov r7, r10
mov r6, r9
mov r5, r8
push {r5-r7}
mov r9, r0
movs r6, 0
ldr r1, _08005100 @ =gWindows
ldrb r0, [r1]
cmp r0, 0xFF
beq _08005066
_0800504E:
adds r0, r6, 0x1
lsls r0, 16
lsrs r6, r0, 16
cmp r6, 0x1F
bhi _08005066
lsls r0, r6, 1
adds r0, r6
lsls r0, 2
adds r0, r1
ldrb r0, [r0]
cmp r0, 0xFF
bne _0800504E
_08005066:
cmp r6, 0x20
beq _080050FA
mov r0, r9
ldrb r7, [r0]
ldr r1, _08005104 @ =gWindowBgTilemapBuffers
mov r10, r1
lsls r2, r7, 2
mov r8, r2
mov r0, r8
add r0, r10
ldr r0, [r0]
cmp r0, 0
bne _080050C2
adds r0, r7, 0
movs r1, 0x8
bl GetBgAttribute
lsls r0, 16
lsrs r5, r0, 16
ldr r0, _08005108 @ =0x0000ffff
cmp r5, r0
beq _080050C2
adds r0, r5, 0
bl Alloc
adds r4, r0, 0
cmp r4, 0
beq _080050FA
movs r1, 0
mov r12, r10
mov r3, r8
cmp r1, r5
bge _080050B4
movs r2, 0
_080050AA:
adds r0, r4, r1
strb r2, [r0]
adds r1, 0x1
cmp r1, r5
blt _080050AA
_080050B4:
mov r1, r12
adds r0, r3, r1
str r4, [r0]
adds r0, r7, 0
adds r1, r4, 0
bl SetBgTilemapBuffer
_080050C2:
mov r2, r9
ldrb r1, [r2, 0x3]
ldrb r0, [r2, 0x4]
muls r0, r1
lsls r0, 22
lsrs r0, 16
bl Alloc
adds r4, r0, 0
cmp r4, 0
bne _08005110
adds r0, r7, 0
bl GetNumActiveWindowsOnBg8Bit
lsls r0, 24
cmp r0, 0
bne _080050FA
ldr r0, _08005104 @ =gWindowBgTilemapBuffers
lsls r1, r7, 2
adds r5, r1, r0
ldr r1, [r5]
ldr r0, _0800510C @ =nullsub_7
cmp r1, r0
beq _080050FA
adds r0, r1, 0
bl Free
str r4, [r5]
_080050FA:
movs r0, 0xFF
b _0800512E
.align 2, 0
_08005100: .4byte gWindows
_08005104: .4byte gWindowBgTilemapBuffers
_08005108: .4byte 0x0000ffff
_0800510C: .4byte nullsub_7
_08005110:
ldr r1, _0800513C @ =gWindows
lsls r2, r6, 1
adds r2, r6
lsls r2, 2
adds r0, r1, 0
adds r0, 0x8
adds r0, r2, r0
str r4, [r0]
adds r2, r1
mov r3, r9
ldr r0, [r3]
ldr r1, [r3, 0x4]
str r0, [r2]
str r1, [r2, 0x4]
adds r0, r6, 0
_0800512E:
pop {r3-r5}
mov r8, r3
mov r9, r4
mov r10, r5
pop {r4-r7}
pop {r1}
bx r1
.align 2, 0
_0800513C: .4byte gWindows
thumb_func_end AddWindow8Bit
thumb_func_start FillWindowPixelBuffer8Bit
FillWindowPixelBuffer8Bit: @ 8005140
push {r4-r6,lr}
lsls r0, 24
lsrs r0, 24
lsls r1, 24
lsrs r5, r1, 24
ldr r6, _0800517C @ =gWindows
lsls r1, r0, 1
adds r1, r0
lsls r4, r1, 2
adds r0, r4, r6
ldrb r1, [r0, 0x3]
ldrb r0, [r0, 0x4]
muls r0, r1
lsls r0, 22
lsrs r3, r0, 16
movs r2, 0
cmp r2, r3
bge _08005176
adds r0, r6, 0
adds r0, 0x8
adds r1, r4, r0
_0800516A:
ldr r0, [r1]
adds r0, r2
strb r5, [r0]
adds r2, 0x1
cmp r2, r3
blt _0800516A
_08005176:
pop {r4-r6}
pop {r0}
bx r0
.align 2, 0
_0800517C: .4byte gWindows
thumb_func_end FillWindowPixelBuffer8Bit
thumb_func_start FillWindowPixelRect8Bit
FillWindowPixelRect8Bit: @ 8005180
push {r4-r6,lr}
mov r6, r9
mov r5, r8
push {r5,r6}
sub sp, 0x10
mov r9, r3
ldr r3, [sp, 0x28]
ldr r4, [sp, 0x2C]
mov r8, r4
lsls r0, 24
lsrs r0, 24
lsls r1, 24
lsrs r1, 24
lsls r2, 16
lsrs r2, 16
mov r4, r9
lsls r4, 16
lsrs r4, 16
mov r9, r4
lsls r3, 16
lsrs r3, 16
mov r4, r8
lsls r4, 16
lsrs r4, 16
mov r8, r4
ldr r5, _08005200 @ =gWindows
lsls r4, r0, 1
adds r4, r0
lsls r4, 2
adds r0, r5, 0
adds r0, 0x8
adds r0, r4, r0
ldr r0, [r0]
str r0, [sp, 0x8]
adds r4, r5
ldrb r0, [r4, 0x3]
lsls r0, 3
ldr r6, _08005204 @ =0xffff0000
ldr r5, [sp, 0xC]
ands r5, r6
orrs r5, r0
str r5, [sp, 0xC]
ldrb r4, [r4, 0x4]
lsls r4, 19
ldr r0, _08005208 @ =0x0000ffff
ands r0, r5
orrs r0, r4
str r0, [sp, 0xC]
mov r0, r8
str r0, [sp]
str r1, [sp, 0x4]
add r0, sp, 0x8
adds r1, r2, 0
mov r2, r9
bl FillBitmapRect8Bit
add sp, 0x10
pop {r3,r4}
mov r8, r3
mov r9, r4
pop {r4-r6}
pop {r0}
bx r0
.align 2, 0
_08005200: .4byte gWindows
_08005204: .4byte 0xffff0000
_08005208: .4byte 0x0000ffff
thumb_func_end FillWindowPixelRect8Bit
thumb_func_start BlitBitmapRectToWindow4BitTo8Bit
BlitBitmapRectToWindow4BitTo8Bit: @ 800520C
push {r4-r7,lr}
mov r7, r10
mov r6, r9
mov r5, r8
push {r5-r7}
sub sp, 0x2C
ldr r4, [sp, 0x4C]
ldr r5, [sp, 0x50]
ldr r6, [sp, 0x54]
mov r8, r6
ldr r7, [sp, 0x58]
mov r9, r7
ldr r6, [sp, 0x5C]
mov r10, r6
ldr r7, [sp, 0x60]
mov r12, r7
ldr r6, [sp, 0x64]
lsls r0, 24
lsrs r0, 24
lsls r2, 16
lsrs r2, 16
lsls r3, 16
lsrs r3, 16
lsls r4, 16
mov r7, r8
lsls r7, 16
lsrs r7, 16
mov r8, r7
mov r7, r9
lsls r7, 16
lsrs r7, 16
mov r9, r7
mov r7, r10
lsls r7, 16
lsrs r7, 16
mov r10, r7
mov r7, r12
lsls r7, 16
lsrs r7, 16
mov r12, r7
lsls r6, 24
lsrs r6, 24
str r6, [sp, 0x28]
str r1, [sp, 0x18]
lsls r5, 16
ldr r6, _080052CC @ =0x0000ffff
lsrs r4, 16
orrs r4, r5
str r4, [sp, 0x1C]
ldr r1, _080052D0 @ =gWindows
lsls r5, r0, 1
adds r5, r0
lsls r5, 2
adds r0, r1, 0
adds r0, 0x8
adds r0, r5, r0
ldr r0, [r0]
str r0, [sp, 0x20]
adds r5, r1
ldrb r0, [r5, 0x3]
lsls r0, 3
add r1, sp, 0x20
ldr r4, [r1, 0x4]
ldr r7, _080052D4 @ =0xffff0000
ands r4, r7
orrs r4, r0
str r4, [r1, 0x4]
ldrb r0, [r5, 0x4]
lsls r0, 19
ands r6, r4
orrs r6, r0
str r6, [r1, 0x4]
mov r0, r8
str r0, [sp]
mov r6, r9
str r6, [sp, 0x4]
mov r7, r10
str r7, [sp, 0x8]
mov r0, r12
str r0, [sp, 0xC]
movs r0, 0
str r0, [sp, 0x10]
ldr r6, [sp, 0x28]
str r6, [sp, 0x14]
add r0, sp, 0x18
bl BlitBitmapRect4BitTo8Bit
add sp, 0x2C
pop {r3-r5}
mov r8, r3
mov r9, r4
mov r10, r5
pop {r4-r7}
pop {r0}
bx r0
.align 2, 0
_080052CC: .4byte 0x0000ffff
_080052D0: .4byte gWindows
_080052D4: .4byte 0xffff0000
thumb_func_end BlitBitmapRectToWindow4BitTo8Bit
thumb_func_start CopyWindowToVram8Bit
CopyWindowToVram8Bit: @ 80052D8
push {r4-r6,lr}
lsls r0, 24
lsrs r0, 24
lsls r1, 24
lsrs r2, r1, 24
adds r5, r2, 0
ldr r6, _0800530C @ =gUnknown_2020634
lsls r1, r0, 1
adds r1, r0
lsls r1, 2
ldr r0, _08005310 @ =gWindows
adds r3, r1, r0
str r3, [r6]
ldr r4, _08005314 @ =gUnknown_2020638
ldrb r1, [r3, 0x3]
ldrb r0, [r3, 0x4]
muls r0, r1
lsls r0, 6
strh r0, [r4]
cmp r2, 0x2
beq _08005326
cmp r2, 0x2
bgt _08005318
cmp r2, 0x1
beq _0800531E
b _08005348
.align 2, 0
_0800530C: .4byte gUnknown_2020634
_08005310: .4byte gWindows
_08005314: .4byte gUnknown_2020638
_08005318:
cmp r5, 0x3
beq _08005334
b _08005348
_0800531E:
ldrb r0, [r3]
bl CopyBgTilemapBufferToVram
b _08005348
_08005326:
ldrb r0, [r3]
ldr r1, [r3, 0x8]
ldrh r2, [r4]
ldrh r3, [r3, 0x6]
bl LoadBgTiles
b _08005348
_08005334:
ldrb r0, [r3]
ldr r1, [r3, 0x8]
ldrh r2, [r4]
ldrh r3, [r3, 0x6]
bl LoadBgTiles
ldr r0, [r6]
ldrb r0, [r0]
bl CopyBgTilemapBufferToVram
_08005348:
pop {r4-r6}
pop {r0}
bx r0
thumb_func_end CopyWindowToVram8Bit
thumb_func_start GetNumActiveWindowsOnBg8Bit
GetNumActiveWindowsOnBg8Bit: @ 8005350
push {r4,lr}
lsls r0, 24
lsrs r4, r0, 24
movs r3, 0
ldr r2, _08005378 @ =gWindows
movs r1, 0x1F
_0800535C:
ldrb r0, [r2]
cmp r0, r4
bne _08005368
adds r0, r3, 0x1
lsls r0, 24
lsrs r3, r0, 24
_08005368:
adds r2, 0xC
subs r1, 0x1
cmp r1, 0
bge _0800535C
adds r0, r3, 0
pop {r4}
pop {r1}
bx r1
.align 2, 0
_08005378: .4byte gWindows
thumb_func_end GetNumActiveWindowsOnBg8Bit
.align 2, 0 @ Don't pad with nop.
include/window.h
+2
View File
@@ -24,6 +24,8 @@ struct WindowTemplate
u16 baseBlock;
};
#define WINDOWS_MAX 32
#define DUMMY_WIN_TEMPLATE \
{ \
0xFF, \
ld_script.txt
+1 -1
View File
@@ -91,7 +91,7 @@ SECTIONS {
asm/text_printer.o(.text);
src/window.o(.text);
asm/blit.o(.text);
asm/window_8bpp.o(.text);
src/window_8bpp.o(.text);
asm/text.o(.text);
asm/sprite.o(.text);
asm/string_util.o(.text);
src/window.c
-2
View File
@@ -7,8 +7,6 @@ extern u8 gWindowClearTile;
extern void* gWindowBgTilemapBuffers[];
extern u32 gWindowTileAutoAllocEnabled;
#define WINDOWS_MAX 32
EWRAM_DATA struct Window gWindows[WINDOWS_MAX] = {0};
extern void BlitBitmapRect4Bit(struct Bitmap *src, struct Bitmap *dest, u16 srcX, u16 srcY, u16 destX, u16 destY, u16 width, u16 height, u8 colorKey);
src/window_8bpp.c
+134
View File
@@ -0,0 +1,134 @@
#include "global.h"
#include "window.h"
#include "malloc.h"
#include "bg.h"
extern void* gWindowBgTilemapBuffers[];
EWRAM_DATA static struct Window* sWindowPtr = NULL;
EWRAM_DATA static u16 sWindowSize = 0;
extern void BlitBitmapRect4BitTo8Bit(struct Bitmap *src, struct Bitmap *dest, u16 srcX, u16 srcY, u16 destX, u16 destY, u16 width, u16 height, u8 colorKey, u8 paletteNum);
extern void FillBitmapRect8Bit(struct Bitmap *surface, u16 x, u16 y, u16 width, u16 height, u8 fillValue);
static u8 GetNumActiveWindowsOnBg8Bit(u8 bgId);
static void nullsub_9(void)
{
}
u16 AddWindow8Bit(struct WindowTemplate *template)
{
u16 windowId;
u8* memAddress;
u8 bgLayer;
for (windowId = 0; windowId < 32; windowId++)
{
if (gWindows[windowId].window.priority == 0xFF)
break;
}
if (windowId == WINDOWS_MAX)
return 0xFF;
bgLayer = template->priority;
if (gWindowBgTilemapBuffers[bgLayer] == 0)
{
u16 attribute = GetBgAttribute(bgLayer, 8);
if (attribute != 0xFFFF)
{
s32 i;
memAddress = Alloc(attribute);
if (memAddress == NULL)
return 0xFF;
for (i = 0; i < attribute; i++) // if we're going to zero out the memory anyway, why not call AllocZeroed?
memAddress[i] = 0;
gWindowBgTilemapBuffers[bgLayer] = memAddress;
SetBgTilemapBuffer(bgLayer, memAddress);
}
}
memAddress = Alloc((u16)(0x40 * (template->width * template->height)));
if (memAddress == NULL)
{
if (GetNumActiveWindowsOnBg8Bit(bgLayer) == 0 && gWindowBgTilemapBuffers[bgLayer] != nullsub_9)
{
Free(gWindowBgTilemapBuffers[bgLayer]);
gWindowBgTilemapBuffers[bgLayer] = NULL;
}
return 0xFF;
}
else
{
gWindows[windowId].tileData = memAddress;
gWindows[windowId].window = *template;
return windowId;
}
}
void FillWindowPixelBuffer8Bit(u8 windowId, u8 fillValue)
{
s32 i;
s32 size;
size = (u16)(0x40 * (gWindows[windowId].window.width * gWindows[windowId].window.height));
for (i = 0; i < size; i++)
gWindows[windowId].tileData[i] = fillValue;
}
void FillWindowPixelRect8Bit(u8 windowId, u8 fillValue, u16 x, u16 y, u16 width, u16 height)
{
struct Bitmap pixelRect;
pixelRect.pixels = gWindows[windowId].tileData;
pixelRect.width = 8 * gWindows[windowId].window.width;
pixelRect.height = 8 * gWindows[windowId].window.height;
FillBitmapRect8Bit(&pixelRect, x, y, width, height, fillValue);
}
void BlitBitmapRectToWindow4BitTo8Bit(u8 windowId, u8 *pixels, u16 srcX, u16 srcY, u16 srcWidth, int srcHeight, u16 destX, u16 destY, u16 rectWidth, u16 rectHeight, u8 paletteNum)
{
struct Bitmap sourceRect;
struct Bitmap destRect;
sourceRect.pixels = (u8*)pixels;
sourceRect.width = srcWidth;
sourceRect.height = srcHeight;
destRect.pixels = gWindows[windowId].tileData;
destRect.width = 8 * gWindows[windowId].window.width;
destRect.height = 8 * gWindows[windowId].window.height;
BlitBitmapRect4BitTo8Bit(&sourceRect, &destRect, srcX, srcY, destX, destY, rectWidth, rectHeight, 0, paletteNum);
}
void CopyWindowToVram8Bit(u8 windowId, u8 mode)
{
sWindowPtr = &gWindows[windowId];
sWindowSize = 0x40 * (sWindowPtr->window.width * sWindowPtr->window.height);
switch (mode)
{
case 1:
CopyBgTilemapBufferToVram(sWindowPtr->window.priority);
break;
case 2:
LoadBgTiles(sWindowPtr->window.priority, sWindowPtr->tileData, sWindowSize, sWindowPtr->window.baseBlock);
break;
case 3:
LoadBgTiles(sWindowPtr->window.priority, sWindowPtr->tileData, sWindowSize, sWindowPtr->window.baseBlock);
CopyBgTilemapBufferToVram(sWindowPtr->window.priority);
break;
}
}
static u8 GetNumActiveWindowsOnBg8Bit(u8 bgId)
{
u8 windowsNum = 0;
s32 i;
for (i = 0; i < WINDOWS_MAX; i++)
{
if (gWindows[i].window.priority == bgId)
windowsNum++;
}
return windowsNum;
}
sym_ewram.txt
+2 -6
View File
@@ -31,13 +31,9 @@ gTrainerId: @ 2020000
.include "src/malloc.o"
.include "src/text_printer.o"
.include "src/window.o"
.include "src/window_8bpp.o"
gUnknown_2020634: @ 2020634
.space 0x4
gUnknown_2020638: @ 2020638
.space 0x4
.align 2
gUnknown_202063C: @ 202063C
.space 0x1C