6BC0

pret · Aug 12, 2024 · b0f31ab · b0f31ab
1 parent c5433df
commit b0f31ab
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Showing 10 changed files with 231 additions and 23 deletions.
diff --git a/include/macros.h b/include/macros.h
@@ -35,5 +35,6 @@
 #define ALIGN4(val) (((val) + 0x3) & ~0x3)
 #define ALIGN8(val) (((val) + 0x7) & ~0x7)
 #define ALIGN16(val) (((val) + 0xF) & ~0xF)
+#define ALIGN64(val) (((val) + 0x3F) & ~0x3F)
 
 #endif
diff --git a/include/variables.h b/include/variables.h
@@ -79,4 +79,12 @@ extern unk_func_80007444* D_800A7464;
 
 extern Gfx* D_800A74B0;
 
+typedef struct unk_D_800A7440 {
+	/* 0x00 */ s16 x1;
+	/* 0x02 */ s16 y1;
+	/* 0x04 */ s16 x2;
+	/* 0x06 */ s16 y2;
+} unk_D_800A7440; // size >= 0x8
+extern unk_D_800A7440 D_800A7440;
+
 #endif
diff --git a/src/6BC0.c b/src/6BC0.c
@@ -1,28 +1,202 @@
 #include "global.h"
 #include "6BC0.h"
+#include "memory.h"
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80005FC0.s")
+static unk_D_80068BB0* D_80068BB0 = NULL;
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80006030.s")
+unk_D_800A7440* func_80005FC0(unk_D_800A7440* arg0, s16 x1, s16 y1, s16 x2, s16 y2) {
+    if (x2 >= x1) {
+        arg0->x1 = x1;
+        arg0->y1 = x2;
+    } else {
+        arg0->x1 = x2;
+        arg0->y1 = x1;
+    }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_800060E0.s")
+    if (y2 >= y1) {
+        arg0->x2 = y2;
+        arg0->y2 = y1;
+    } else {
+        arg0->y2 = y2;
+        arg0->x2 = y1;
+    }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80006200.s")
+    return arg0;
+}
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_800062E4.s")
+s32 func_80006030(unk_D_800A7440* arg0) {
+    s32 ret = 0;
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80006314.s")
+    if (D_80068BB0 != NULL) {
+        if (arg0->x1 < D_800A7440.x1) {
+            arg0->x1 = D_800A7440.x1;
+        }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80006414.s")
+        if (D_800A7440.y1 < arg0->y1) {
+            arg0->y1 = D_800A7440.y1;
+        }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80006450.s")
+        if (arg0->y2 < D_800A7440.y2) {
+            arg0->y2 = D_800A7440.y2;
+        }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_8000648C.s")
+        if (D_800A7440.x2 < arg0->x2) {
+            arg0->x2 = D_800A7440.x2;
+        }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_80006498.s")
+        ret = arg0->y1 >= arg0->x1 && arg0->x2 >= arg0->y2;
+    }
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_800065B4.s")
+    return ret;
+}
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_800067E4.s")
+void func_800060E0(Gfx** gfx_p, s16 x, s16 y, s16 width, s16 height) {
+    if (D_80068BB0 != NULL) {
+        Gfx* gfx = *gfx_p;
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/6BC0/func_8000699C.s")
+        gDPPipeSync(gfx++);
+        gDPSetScissorFrac(gfx++, G_SC_NON_INTERLACE, (x * 4.0f), (y * 4.0f), (x + width) * 4.0f, (y + height) * 4.0f);
+
+        *gfx_p = gfx;
+
+        func_80005FC0(&D_800A7440, x, y, x + width - 1, y + height - 1);
+    }
+}
+
+void func_80006200(Gfx** gfx_p) {
+    if (D_80068BB0 != NULL) {
+        Gfx* gfx = *gfx_p;
+
+        gDPPipeSync(gfx++);
+        gDPSetScissorFrac(gfx++, G_SC_NON_INTERLACE, D_800A7440.x1 * 4.0f, D_800A7440.y2 * 4.0f,
+                          (D_800A7440.y1 + 1) * 4.0f, (D_800A7440.x2 + 1) * 4.0f);
+
+        *gfx_p = gfx;
+    }
+}
+
+void func_800062E4(unk_D_80068BB0* arg0, s32 fmt, s32 size, s32 width, s32 height, u32 img_p) {
+    arg0->fmt = fmt;
+    arg0->size = size;
+    arg0->width = width;
+    arg0->height = height;
+    arg0->img_p = (u8*)ALIGN64(img_p);
+    arg0->depth_p = NULL;
+}
+
+unk_D_80068BB0* func_80006314(s32 fmt, s32 size, s32 width, s32 height, s32 side) {
+    unk_D_80068BB0* sp34;
+    s32 size_bytes;
+    s32 num_pixels = width * height;
+
+    switch (size) {
+        case IMAGE_SIZE_BITS_4b:
+            size_bytes = (num_pixels + 1) / 2;
+            break;
+
+        case IMAGE_SIZE_BITS_8b:
+            size_bytes = num_pixels;
+            break;
+
+        case IMAGE_SIZE_BITS_16b:
+            size_bytes = num_pixels * 2;
+            break;
+
+        case IMAGE_SIZE_BITS_32b:
+            size_bytes = num_pixels * 4;
+            break;
+    }
+
+    sp34 = main_pool_alloc(size_bytes + sizeof(unk_D_80068BB0), side);
+    if (sp34 != NULL) {
+        // image data follows the header struct
+        func_800062E4(sp34, fmt, size, width, height, sp34->unk_10);
+    }
+
+    return sp34;
+}
+
+void func_80006414(unk_D_80068BB0* img, unk_D_80068BB0* depth) {
+    if ((depth->size == IMAGE_SIZE_BITS_16b) && (img->width == depth->width) && (img->height == depth->height)) {
+        img->depth_p = depth;
+    }
+}
+
+void func_80006450(void) {
+    D_80068BB0 = NULL;
+    func_80005FC0(&D_800A7440, 0, 0, 0, 0);
+}
+
+unk_D_80068BB0* func_8000648C(void) {
+    return D_80068BB0;
+}
+
+void func_80006498(Gfx** gfx_p, unk_D_80068BB0* arg1) {
+    Gfx* gfx = *gfx_p;
+
+    gDPPipeSync(gfx++);
+
+    if (arg1->depth_p != NULL) {
+        gDPSetDepthSource(gfx++, G_ZS_PIXEL);
+        gDPSetDepthImage(gfx++, (u32)arg1->depth_p->img_p & 0x1FFFFFFF);
+    }
+
+    gDPSetColorImage(gfx++, arg1->fmt, arg1->size, arg1->width, (u32)arg1->img_p & 0x1FFFFFFF);
+
+    D_80068BB0 = arg1;
+    func_800060E0(&gfx, 0, 0, arg1->width, arg1->height);
+
+    *gfx_p = gfx;
+}
+
+void func_800065B4(Gfx** gfx_p, s32 arg1, s32 arg2, s32 arg3, s32 arg4, u16 fill_colour) {
+    if (D_80068BB0 != NULL) {
+        Gfx* gfx = *gfx_p;
+
+        gDPPipeSync(gfx++);
+        gDPSetRenderMode(gfx++, G_RM_OPA_SURF, G_RM_OPA_SURF2);
+        gDPSetCycleType(gfx++, G_CYC_FILL);
+
+        if (D_80068BB0->depth_p) {
+            unk_D_80068BB0* depth = D_80068BB0->depth_p;
+
+            gDPSetColorImage(gfx++, depth->fmt, depth->size, depth->width, (u32)depth->img_p & 0x1FFFFFFF);
+            gDPSetFillColor(gfx++, 0xFFFCFFFC);
+            gDPFillRectangle(gfx++, arg1, arg2, (arg1 + arg3) - 1, (arg2 + arg4) - 1);
+            gDPPipeSync(gfx++);
+            gDPSetColorImage(gfx++, D_80068BB0->fmt, D_80068BB0->size, D_80068BB0->width,
+                             (u32)D_80068BB0->img_p & 0x1FFFFFFF);
+        }
+
+        gDPPipeSync(gfx++);
+        gDPSetFillColor(gfx++, (fill_colour << 0x10) | fill_colour);
+        gDPFillRectangle(gfx++, arg1, arg2, (arg1 + arg3) - 1, (arg2 + arg4) - 1);
+
+        *gfx_p = gfx;
+    }
+}
+
+void func_800067E4(Gfx** gfx_p, s32 arg1, s32 arg2, s32 arg3, s32 arg4) {
+    if (D_80068BB0 != NULL && D_80068BB0->depth_p != NULL) {
+        Gfx* gfx = *gfx_p;
+        unk_D_80068BB0* depth = D_80068BB0->depth_p;
+
+        gDPPipeSync(gfx++);
+        gDPSetRenderMode(gfx++, G_RM_OPA_SURF, G_RM_OPA_SURF2);
+        gDPSetCycleType(gfx++, G_CYC_FILL);
+        gDPSetColorImage(gfx++, depth->fmt, depth->size, depth->width, (u32)depth->img_p & 0x1FFFFFFF);
+
+        gDPSetFillColor(gfx++, 0xFFFCFFFC);
+        gDPFillRectangle(gfx++, arg1, arg2, (arg1 + arg3) - 1, (arg2 + arg4) - 1);
+
+        gDPPipeSync(gfx++);
+        gDPSetColorImage(gfx++, D_80068BB0->fmt, D_80068BB0->size, D_80068BB0->width,
+                         (u32)D_80068BB0->img_p & 0x1FFFFFFF);
+
+        *gfx_p = gfx;
+    }
+}
+
+void func_8000699C(Gfx** gfx_p, u16 fill_colour) {
+    func_800065B4(gfx_p, 0, 0, D_80068BB0->width, D_80068BB0->height, (fill_colour << 0x10) | fill_colour);
+}
diff --git a/src/6BC0.h b/src/6BC0.h
@@ -3,11 +3,29 @@
 
 #include "global.h"
 
-void func_800060E0(Gfx**, s32, s32, s16, s16);
-void* func_80006314(s32, s32, s32, s32, s32);
-void func_80006414(void*, void*);
+// image size in bits
+typedef enum IMAGE_SIZE_BITS {
+	IMAGE_SIZE_BITS_4b,
+	IMAGE_SIZE_BITS_8b,
+	IMAGE_SIZE_BITS_16b,
+	IMAGE_SIZE_BITS_32b,
+} IMAGE_SIZE_BITS;
+
+typedef struct unk_D_80068BB0 {
+	/* 0x00 */ u16 fmt;
+	/* 0x02 */ u16 size;
+	/* 0x04 */ u16 width;
+	/* 0x06 */ u16 height;
+	/* 0x08 */ u8* img_p;
+	/* 0x0C */ struct unk_D_80068BB0* depth_p;
+	/* 0x10 */ char unk_10[0x40];
+} unk_D_80068BB0; // size = 0x50
+
+void func_800060E0(Gfx**, s16, s16, s16, s16);
+unk_D_80068BB0* func_80006314(s32 fmt, s32 size, s32 width, s32 height, s32 side);
+void func_80006414(unk_D_80068BB0*, unk_D_80068BB0*);
 void func_80006450(void);
-void func_80006498(Gfx**, void*);
+void func_80006498(Gfx**, unk_D_80068BB0*);
 void func_800067E4(Gfx**, s32, s32, s32, s32);
 
 

diff --git a/src/dp_intro.c b/src/dp_intro.c
@@ -2,8 +2,10 @@
 #include <PR/os_internal_reg.h>
 #include "global.h"
 #include "dp_intro.h"
+#include "6BC0.h"
 #include "crash_screen.h"
 #include "profiler.h"
+#include "memory.h"
 
 // dp_intro.c
 
@@ -266,7 +268,7 @@ void func_800019C8(void) {
     osCreateMesgQueue(&D_800846A4, &D_80084688, 1);
     D_80083CA0.unkA88 = 0;
     D_80083CA0.unkA8A = 0;
-    D_80084680[0] = func_80006314(0, 2, 0x280, 1, 1);
+    D_80084680[0] = func_80006314(0, IMAGE_SIZE_BITS_16b, 0x280, 1, MEMORY_POOL_RIGHT);
     func_80001AD4(1);
     func_80003B30(&D_80084760, 0xB0000B70, 0xB0000C70, 0);
 }

diff --git a/src/fragments/6/fragment6.c b/src/fragments/6/fragment6.c
@@ -483,6 +483,7 @@ void func_86000020(void) {
     }
 }
 #else
+void func_86000020(void);
 #pragma GLOBAL_ASM("asm/us/nonmatchings/fragments/6/fragment6/func_86000020.s")
 #endif
 

diff --git a/src/libleo/leodiskinit.c b/src/libleo/leodiskinit.c
@@ -19,7 +19,7 @@ OSPiHandle* osLeoDiskInit(void) {
     __LeoDiskHandle.speed = 0;
 
     bzero(&__LeoDiskHandle.transferInfo, sizeof(__OSTranxInfo));
-    
+
     saveMask = __osDisableInt();
     __LeoDiskHandle.next = __osPiTable;
     __osPiTable = &__LeoDiskHandle;

diff --git a/src/main.c b/src/main.c
@@ -3,6 +3,7 @@
 #include "crash_screen.h"
 #include "rsp.h"
 #include "reset.h"
+#include "util.h"
 
 extern void func_8002B330(); // thread 6 function
 

diff --git a/src/stage_loader.c b/src/stage_loader.c
@@ -395,7 +395,7 @@ void func_80007304(void) {
 }
 
 unk_func_80007444* func_80007444(s8 arg0, s8 arg1, s8 arg2, s8 arg3, s8 arg4, s32 arg5) {
-    unk_func_80007444* temp_v0 = main_pool_alloc(0x24, 0);
+    unk_func_80007444* temp_v0 = main_pool_alloc(sizeof(unk_func_80007444), 0);
 
     if (temp_v0 != NULL) {
         if (arg0 == 1) {
@@ -425,11 +425,13 @@ unk_func_80007444* func_80007444(s8 arg0, s8 arg1, s8 arg2, s8 arg3, s8 arg4, s3
             s32 i;
 
             for (i = 0; i < temp_v0->unk_0E; i++) {
-                temp_v0->unk_18[i] = func_80006314(0, 2, temp_v0->unk_00, temp_v0->unk_02, 1);
+                temp_v0->unk_18[i] =
+                    func_80006314(0, IMAGE_SIZE_BITS_16b, temp_v0->unk_00, temp_v0->unk_02, MEMORY_POOL_RIGHT);
             }
 
             if (temp_v0->unk_0F == 1) {
-                void* temp_s3 = func_80006314(0, 2, temp_v0->unk_00, temp_v0->unk_02, 0);
+                void* temp_s3 =
+                    func_80006314(0, IMAGE_SIZE_BITS_16b, temp_v0->unk_00, temp_v0->unk_02, MEMORY_POOL_LEFT);
 
                 for (i = 0; i < temp_v0->unk_0E; i++) {
                     func_80006414(temp_v0->unk_18[i], temp_s3);

diff --git a/yamls/us/rom.yaml b/yamls/us/rom.yaml
@@ -33,7 +33,7 @@
     - [0x60A0, c, reset] # soft reset effect
     - [0x6430, c, controller] # controller code
     - [0x6A40, c]
-    - [0x6BC0, c] # 
+    - [0x6BC0, c, 6BC0] # 
     - [0x75F0, c, stage_loader] # stage loader
     - [0x8EB0, c] # empty file/padding?
     - [0x8EC0, c, crash_screen] # crash handler
@@ -323,6 +323,7 @@
     # .data is somewhere in here
     - [0x69790, .data, util]
     - [0x697A0, bin, rom_data_697A0]
+    - [0x697B0, .data, 6BC0]
     - [0x697C0, .data, stage_loader]
     - [0x6A1B0, .data, crash_screen]
     - [0x6A3B0, .data, profiler]