From cdfec28498aecbaaeac5d2ecba9cc21b1fd5b821 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Fri, 28 Sep 2018 23:28:19 +0800
Subject: remove asm 45511b

---
 csrc/mkf_asm.asm    | 80 ++++++++++++++++++++++-------------------------------
 csrc/mkf_asm_data.c | 62 ++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 94 insertions(+), 48 deletions(-)

diff --git a/csrc/mkf_asm.asm b/csrc/mkf_asm.asm
index f9a562c..50019ac 100644
--- a/csrc/mkf_asm.asm
+++ b/csrc/mkf_asm.asm
@@ -3,7 +3,8 @@ global fcn_00455040
 extern table_483430
 extern table_483530
 extern data_483630
-extern data_4847bc
+extern gtables
+extern cfcn_45511b
 
 fcn_00455040:
 push ebp
@@ -12,15 +13,19 @@ push ebx
 push ecx
 push esi
 push edi
+sub esp, 4
 mov esi, data_483630
-mov edi, data_4847bc
+mov edi, gtables
 mov ecx, 0x463              ; 1123
 rep movsd
 mov edi, dword [ebp + 8]    ; [0x8:4]=-1 ; 8
 mov esi, dword [ebp + 0xc]  ; [0xc:4]=-1 ; 12
 xor edx, edx
+
 L0:
+
 call fcn_004551bb
+
 or bh, bh
 jne L1
 mov byte [edi], bl
@@ -59,6 +64,7 @@ pop esi
 mov ecx, ebp
 jmp L0
 L2:
+add esp, 4
 pop edi
 pop esi
 pop ecx
@@ -70,7 +76,7 @@ ret
 fcn_004551bb:
 mov ebx, 0x500              ; 1280
 L11:
-mov bx, word [ebx + data_4847bc + 1284] ; [0x484cc0:2]=0
+mov bx, word [ebx + gtables + 1284] ; [0x484cc0:2]=0
 cmp bx, 0x502               ; 1282
 jae L10
 bt dword [esi], ecx
@@ -83,75 +89,55 @@ sub ebx, 0x502
 push ebx
 push ecx
 push edi
+
 call fcn_00455109
+
 pop edi
 pop ecx
 pop ebx
 shr bx, 1
+
 ret
 
 fcn_00455109:
-cmp word [data_4847bc + 1280], 0x8000
-jne L20
+cmp word [gtables + 1280], 0x8000
+jne L20_1
+
 push ebx
 call fcn_004550cc
 pop ebx
-L20:
-mov bx, word [ebx + data_4847bc + 3848]
-L21:
-inc word [ebx + data_4847bc]
-mov ax, word [ebx + data_4847bc]
-cmp ax, word [ebx + data_4847bc + 2]
-jbe L22
-lea edi, [ebx + data_4847bc + 2]
-mov ecx, 0x282
-dec ax
-repe scasw
-sub edi, data_4847bc+4
-inc ax
-xchg word [edi + data_4847bc], ax
-mov word [ebx + data_4847bc], ax
-mov ax, word [ebx + data_4847bc + 1284]
-mov cx, word [edi + data_4847bc + 1284]
-mov word [ecx + data_4847bc + 2566], bx
-cmp cx, 0x502
-jae L24
-mov word [ecx + data_4847bc + 2568], bx
-L24:
-xchg ax, cx
-mov word [ecx + data_4847bc + 2566], di
-cmp cx, 0x502
-jae L23
-mov word [ecx + data_4847bc + 2568], di
-L23:
-mov word [ebx + data_4847bc + 1284], ax
-mov word [edi + data_4847bc + 1284], cx
-mov bx, di
-L22:
-mov bx, word [ebx + data_4847bc + 2566]
-or bx, bx
-jne L21
+
+L20_1:
+
+push ebx
+call cfcn_45511b
+add esp, 4
+
 ret
 
 fcn_004550cc:
-mov edx, 0x141              ; 321
+
+mov edx, 0x141
 xor ebp, ebp
 xor ecx, ecx
 L30:
-mov cx, word [ebp + data_4847bc + 3848]
-test word [ecx + data_4847bc], 1
+mov cx, word [ebp + gtables + 3848]
+test word [ecx + gtables], 1
 je L31
-mov ebx, ebp
-call L20
+
+push ebp
+call cfcn_45511b
+add esp, 4
+
 L31:
 add ebp, 2
 dec edx
 jne L30
 xor ebx, ebx
 L32:
-shr word [ebx + data_4847bc], 1
+shr word [ebx + gtables], 1
 add ebx, 2
 cmp ebx, 0x502              ; 1282
 jb L32
-ret
 
+ret
diff --git a/csrc/mkf_asm_data.c b/csrc/mkf_asm_data.c
index 7390d39..b01dd42 100644
--- a/csrc/mkf_asm_data.c
+++ b/csrc/mkf_asm_data.c
@@ -511,4 +511,64 @@ const uint8_t data_483630[4492] = {
   0x00, 0x00
 };
 
-uint8_t data_4847bc[4492];
+struct {
+  uint16_t tab1[642]; /* 0x4847bc, from 0x483630 */
+  uint16_t tab2[641]; /* 0x484cc0, from 0x483b34 */
+  uint16_t tab3[641]; /* 0x4851c2, from 0x484036 */
+  uint16_t tab4[322]; /* 0x4856c4, from 0x484538 */
+} gtables; /* 0x4847bc */
+
+void cfcn_45511b(uint32_t ebx)
+{
+	uint16_t ax, cx, tmp;
+	ebx = gtables.tab4[ebx / 2];
+	do {
+		gtables.tab1[ebx / 2]++;
+		ax = gtables.tab1[ebx / 2];
+		if (ax <= gtables.tab1[ebx / 2 + 1]) {
+			ebx = gtables.tab3[ebx / 2];
+			if (ebx)
+				continue;
+			else
+				break;
+		}
+
+		uint16_t *edi = &gtables.tab1[ebx / 2 + 1];
+		cx = 0x282;
+		ax --;
+		int zf;
+		do {
+			zf = (*edi == ax);
+			edi++;
+			cx--;
+		} while (zf && cx);
+
+		uint32_t _edi = (uint32_t)edi - (uint32_t)(&gtables.tab1[2]);
+		ax++;
+
+		tmp = ax;
+		ax = gtables.tab1[_edi / 2];
+		gtables.tab1[_edi / 2] = tmp;
+		gtables.tab1[ebx / 2] = ax;
+
+		ax = gtables.tab2[ebx / 2];
+		cx = gtables.tab2[_edi / 2];
+		gtables.tab3[cx / 2] = ebx;
+		if (cx < 0x502) {
+			gtables.tab3[cx / 2 + 1] = ebx;
+		}
+
+		tmp = ax;
+		ax = cx;
+		cx = tmp;
+
+		gtables.tab3[cx / 2] = _edi;
+		if (cx < 0x502) {
+			gtables.tab3[cx / 2 + 1] = _edi;
+		}
+		gtables.tab2[ebx / 2] = ax;
+		gtables.tab2[_edi / 2] = cx;
+		ebx = _edi & 0xffff;
+		ebx = gtables.tab3[ebx / 2];
+	} while (ebx);
+}
-- 
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