mevent_server_ish

7 files changed, 340 insertions, 628 deletions

diff --git a/asm/mevent_server_ish.s b/asm/mevent_server_ish.s
deleted file mode 100755
index fe4c9cd46..000000000
--- a/asm/mevent_server_ish.s
+++ /dev/null
@@ -1,567 +0,0 @@
-	.include "asm/macros.inc"
-	.include "constants/constants.inc"
-
-	.syntax unified
-
-	.text
-
-	thumb_func_start mevent_srv_ish_do_init
-mevent_srv_ish_do_init: @ 801D484
-	push {r4,r5,lr}
-	adds r5, r0, 0
-	ldr r4, =s_mevent_srv_ish_ptr
-	movs r0, 0x50
-	bl AllocZeroed
-	str r0, [r4]
-	movs r1, 0x1
-	movs r2, 0
-	bl mevent_srv_ish_init
-	ldr r0, [r4]
-	str r5, [r0, 0x4C]
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end mevent_srv_ish_do_init
-
-	thumb_func_start mevent_srv_ish_do_exec
-mevent_srv_ish_do_exec: @ 801D4A8
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	ldr r4, =s_mevent_srv_ish_ptr
-	ldr r0, [r4]
-	cmp r0, 0
-	bne _0801D4BC
-	movs r0, 0x6
-	b _0801D4DC
-	.pool
-_0801D4BC:
-	bl mevent_srv_ish_exec
-	adds r5, r0, 0
-	cmp r5, 0x6
-	bne _0801D4DA
-	ldr r0, [r4]
-	ldr r1, [r0, 0x4]
-	strh r1, [r6]
-	bl mevent_srv_ish_free_resources
-	ldr r0, [r4]
-	bl Free
-	movs r0, 0
-	str r0, [r4]
-_0801D4DA:
-	adds r0, r5, 0
-_0801D4DC:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end mevent_srv_ish_do_exec
-
-	thumb_func_start mevent_srv_ish_inc_flag
-mevent_srv_ish_inc_flag: @ 801D4E4
-	ldr r0, =s_mevent_srv_ish_ptr
-	ldr r1, [r0]
-	ldr r0, [r1, 0xC]
-	adds r0, 0x1
-	str r0, [r1, 0xC]
-	bx lr
-	.pool
-	thumb_func_end mevent_srv_ish_inc_flag
-
-	thumb_func_start mevent_srv_ish_get_buffer
-mevent_srv_ish_get_buffer: @ 801D4F4
-	ldr r0, =s_mevent_srv_ish_ptr
-	ldr r0, [r0]
-	ldr r0, [r0, 0x20]
-	bx lr
-	.pool
-	thumb_func_end mevent_srv_ish_get_buffer
-
-	thumb_func_start mevent_srv_ish_set_param
-mevent_srv_ish_set_param: @ 801D500
-	ldr r1, =s_mevent_srv_ish_ptr
-	ldr r1, [r1]
-	str r0, [r1, 0x4]
-	bx lr
-	.pool
-	thumb_func_end mevent_srv_ish_set_param
-
-	thumb_func_start mevent_srv_ish_init
-mevent_srv_ish_init: @ 801D50C
-	push {r4-r6,lr}
-	mov r6, r8
-	push {r6}
-	adds r4, r0, 0
-	adds r6, r1, 0
-	mov r8, r2
-	movs r0, 0
-	str r0, [r4]
-	str r0, [r4, 0x8]
-	str r0, [r4, 0xC]
-	movs r5, 0x80
-	lsls r5, 3
-	adds r0, r5, 0
-	bl AllocZeroed
-	str r0, [r4, 0x14]
-	adds r0, r5, 0
-	bl AllocZeroed
-	str r0, [r4, 0x18]
-	adds r0, r5, 0
-	bl AllocZeroed
-	str r0, [r4, 0x1C]
-	movs r0, 0x40
-	bl AllocZeroed
-	str r0, [r4, 0x20]
-	adds r4, 0x24
-	adds r0, r4, 0
-	adds r1, r6, 0
-	mov r2, r8
-	bl mevent_srv_sub_init
-	pop {r3}
-	mov r8, r3
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end mevent_srv_ish_init
-
-	thumb_func_start mevent_srv_ish_free_resources
-mevent_srv_ish_free_resources: @ 801D55C
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, [r4, 0x14]
-	bl Free
-	ldr r0, [r4, 0x18]
-	bl Free
-	ldr r0, [r4, 0x1C]
-	bl Free
-	ldr r0, [r4, 0x20]
-	bl Free
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end mevent_srv_ish_free_resources
-
-	thumb_func_start mevent_srv_ish_jmp_buffer
-mevent_srv_ish_jmp_buffer: @ 801D580
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, [r4, 0x1C]
-	ldr r1, [r4, 0x18]
-	movs r2, 0x80
-	lsls r2, 3
-	bl memcpy
-	movs r0, 0
-	str r0, [r4, 0x10]
-	pop {r4}
-	pop {r0}
-	bx r0
-	thumb_func_end mevent_srv_ish_jmp_buffer
-
-	thumb_func_start sub_801D59C
-sub_801D59C: @ 801D59C
-	push {r4-r6,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r6, r1, 0
-	adds r5, r2, 0
-	movs r0, 0
-	str r0, [sp]
-	ldr r1, [r4, 0x14]
-	ldr r2, =0x05000100
-	mov r0, sp
-	bl CpuSet
-	ldr r2, [r4, 0x14]
-	str r5, [r2]
-	adds r4, 0x24
-	adds r0, r4, 0
-	adds r1, r6, 0
-	movs r3, 0x4
-	bl mevent_srv_sub_init_send
-	add sp, 0x4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_801D59C
-
-	thumb_func_start sub_801D5D0
-sub_801D5D0: @ 801D5D0
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, [r4, 0x1C]
-	ldr r1, =gUnknown_082F2598
-	movs r2, 0x80
-	lsls r2, 3
-	bl memcpy
-	movs r1, 0
-	str r1, [r4, 0x10]
-	movs r0, 0x4
-	str r0, [r4, 0x8]
-	str r1, [r4, 0xC]
-	movs r0, 0
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_801D5D0
-
-	thumb_func_start sub_801D5F8
-sub_801D5F8: @ 801D5F8
-	movs r0, 0x6
-	bx lr
-	thumb_func_end sub_801D5F8
-
-	thumb_func_start sub_801D5FC
-sub_801D5FC: @ 801D5FC
-	push {r4,lr}
-	adds r4, r0, 0
-	adds r0, 0x24
-	bl mevent_srv_sub_recv
-	cmp r0, 0
-	beq _0801D612
-	movs r0, 0x4
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-_0801D612:
-	movs r0, 0x1
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_801D5FC
-
-	thumb_func_start sub_801D61C
-sub_801D61C: @ 801D61C
-	push {r4,lr}
-	adds r4, r0, 0
-	adds r0, 0x24
-	bl mevent_srv_sub_send
-	cmp r0, 0
-	beq _0801D632
-	movs r0, 0x4
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-_0801D632:
-	movs r0, 0x1
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_801D61C
-
-	thumb_func_start sub_801D63C
-sub_801D63C: @ 801D63C
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, [r4, 0x10]
-	lsls r2, r0, 3
-	ldr r1, [r4, 0x1C]
-	adds r2, r1, r2
-	adds r0, 0x1
-	str r0, [r4, 0x10]
-	ldr r0, [r2]
-	cmp r0, 0x15
-	bls _0801D654
-	b _0801D804
-_0801D654:
-	lsls r0, 2
-	ldr r1, =_0801D664
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_0801D664:
-	.4byte _0801D804
-	.4byte _0801D6BC
-	.4byte _0801D6C4
-	.4byte _0801D6D4
-	.4byte _0801D70E
-	.4byte _0801D716
-	.4byte _0801D6FE
-	.4byte _0801D708
-	.4byte _0801D764
-	.4byte _0801D790
-	.4byte _0801D788
-	.4byte _0801D72C
-	.4byte _0801D742
-	.4byte _0801D758
-	.4byte _0801D77C
-	.4byte _0801D7B8
-	.4byte _0801D7BC
-	.4byte _0801D7C4
-	.4byte _0801D7D0
-	.4byte _0801D6EA
-	.4byte _0801D6D8
-	.4byte _0801D7F0
-_0801D6BC:
-	ldr r0, [r2, 0x4]
-	str r0, [r4, 0x4]
-	movs r0, 0x1
-	b _0801D7FE
-_0801D6C4:
-	adds r0, r4, 0
-	adds r0, 0x24
-	ldr r1, [r2, 0x4]
-	ldr r2, [r4, 0x18]
-	bl mevent_srv_sub_init_recv
-	movs r0, 0x2
-	b _0801D7FE
-_0801D6D4:
-	movs r0, 0x3
-	b _0801D7FE
-_0801D6D8:
-	adds r0, r4, 0
-	adds r0, 0x24
-	ldr r2, [r4, 0x14]
-	movs r1, 0x14
-	movs r3, 0
-	bl mevent_srv_sub_init_send
-	movs r0, 0x3
-	b _0801D7FE
-_0801D6EA:
-	ldrb r0, [r2, 0x4]
-	bl GetGameStat
-	adds r2, r0, 0
-	adds r0, r4, 0
-	movs r1, 0x12
-	bl sub_801D59C
-	movs r0, 0x3
-	b _0801D7FE
-_0801D6FE:
-	ldr r0, [r4, 0x4]
-	cmp r0, 0
-	beq _0801D706
-	b _0801D804
-_0801D706:
-	b _0801D70E
-_0801D708:
-	ldr r0, [r4, 0x4]
-	cmp r0, 0x1
-	bne _0801D804
-_0801D70E:
-	adds r0, r4, 0
-	bl mevent_srv_ish_jmp_buffer
-	b _0801D804
-_0801D716:
-	ldr r0, [r4, 0x20]
-	ldr r1, [r4, 0x18]
-	movs r2, 0x40
-	bl memcpy
-	movs r0, 0x5
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-	movs r0, 0x2
-	b _0801D806
-_0801D72C:
-	ldr r0, [r4, 0x20]
-	ldr r1, [r4, 0x18]
-	movs r2, 0x40
-	bl memcpy
-	movs r0, 0x5
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-	movs r0, 0x3
-	b _0801D806
-_0801D742:
-	ldr r0, [r4, 0x20]
-	ldr r1, [r4, 0x18]
-	movs r2, 0x40
-	bl memcpy
-	movs r0, 0x5
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-	movs r0, 0x5
-	b _0801D806
-_0801D758:
-	movs r0, 0x5
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-	movs r0, 0x4
-	b _0801D806
-_0801D764:
-	ldr r0, [r4, 0x14]
-	ldr r1, [r4, 0x4C]
-	bl sub_801B580
-	adds r0, r4, 0
-	adds r0, 0x24
-	ldr r2, [r4, 0x14]
-	movs r1, 0x11
-	movs r3, 0x64
-	bl mevent_srv_sub_init_send
-	b _0801D804
-_0801D77C:
-	ldr r2, [r4, 0x4]
-	adds r0, r4, 0
-	movs r1, 0x13
-	bl sub_801D59C
-	b _0801D804
-_0801D788:
-	ldr r0, [r4, 0x18]
-	bl sub_801B21C
-	b _0801D804
-_0801D790:
-	ldr r0, [r4, 0x18]
-	bl sub_801B1A4
-	cmp r0, 0
-	bne _0801D7AC
-	ldr r0, [r4, 0x18]
-	bl sub_801B078
-	adds r0, r4, 0
-	movs r1, 0x13
-	movs r2, 0
-	bl sub_801D59C
-	b _0801D804
-_0801D7AC:
-	adds r0, r4, 0
-	movs r1, 0x13
-	movs r2, 0x1
-	bl sub_801D59C
-	b _0801D804
-_0801D7B8:
-	movs r0, 0x6
-	b _0801D7FE
-_0801D7BC:
-	ldr r0, [r4, 0x18]
-	bl sub_801B508
-	b _0801D804
-_0801D7C4:
-	ldr r0, [r4, 0x18]
-	movs r1, 0xFA
-	lsls r1, 2
-	bl sub_80992A0
-	b _0801D804
-_0801D7D0:
-	ldr r0, =gSaveBlock2Ptr
-	ldr r0, [r0]
-	ldr r1, =0x00000bec
-	adds r0, r1
-	ldr r1, [r4, 0x18]
-	movs r2, 0xBC
-	bl memcpy
-	bl ValidateEReaderTrainer
-	b _0801D804
-	.pool
-_0801D7F0:
-	ldr r0, =gDecompressionBuffer
-	ldr r1, [r4, 0x18]
-	movs r2, 0x80
-	lsls r2, 3
-	bl memcpy
-	movs r0, 0x7
-_0801D7FE:
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-_0801D804:
-	movs r0, 0x1
-_0801D806:
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_801D63C
-
-	thumb_func_start sub_801D810
-sub_801D810: @ 801D810
-	push {lr}
-	adds r1, r0, 0
-	ldr r0, [r1, 0xC]
-	cmp r0, 0
-	beq _0801D822
-	movs r0, 0x4
-	str r0, [r1, 0x8]
-	movs r0, 0
-	str r0, [r1, 0xC]
-_0801D822:
-	movs r0, 0x1
-	pop {r1}
-	bx r1
-	thumb_func_end sub_801D810
-
-	thumb_func_start sub_801D828
-sub_801D828: @ 801D828
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r0, [r4, 0xC]
-	cmp r0, 0
-	beq _0801D838
-	cmp r0, 0x1
-	beq _0801D846
-	b _0801D858
-_0801D838:
-	ldr r0, [r4, 0x18]
-	bl sub_8153870
-	ldr r0, [r4, 0xC]
-	adds r0, 0x1
-	str r0, [r4, 0xC]
-	b _0801D858
-_0801D846:
-	adds r0, r4, 0x4
-	bl sub_8153884
-	adds r1, r0, 0
-	cmp r1, 0
-	bne _0801D858
-	movs r0, 0x4
-	str r0, [r4, 0x8]
-	str r1, [r4, 0xC]
-_0801D858:
-	movs r0, 0x1
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_801D828
-
-	thumb_func_start sub_801D860
-sub_801D860: @ 801D860
-	push {r4,lr}
-	adds r4, r0, 0
-	ldr r3, =gDecompressionBuffer
-	adds r0, r4, 0x4
-	ldr r1, =gSaveBlock2Ptr
-	ldr r1, [r1]
-	ldr r2, =gSaveBlock1Ptr
-	ldr r2, [r2]
-	bl _call_via_r3
-	cmp r0, 0x1
-	bne _0801D880
-	movs r0, 0x4
-	str r0, [r4, 0x8]
-	movs r0, 0
-	str r0, [r4, 0xC]
-_0801D880:
-	movs r0, 0x1
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_801D860
-
-	thumb_func_start mevent_srv_ish_exec
-mevent_srv_ish_exec: @ 801D894
-	push {r4,r5,lr}
-	sub sp, 0x20
-	mov r2, sp
-	ldr r1, =gUnknown_082F255C
-	ldm r1!, {r3-r5}
-	stm r2!, {r3-r5}
-	ldm r1!, {r3-r5}
-	stm r2!, {r3-r5}
-	ldm r1!, {r3,r4}
-	stm r2!, {r3,r4}
-	ldr r1, [r0, 0x8]
-	lsls r1, 2
-	add r1, sp
-	ldr r1, [r1]
-	bl _call_via_r1
-	add sp, 0x20
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end mevent_srv_ish_exec
-
-	.align 2, 0 @ don't pad with nop
diff --git a/data/mevent_server.s b/data/mevent_server.s
index bd15692fe..b6d8b4e25 100755
--- a/data/mevent_server.s
+++ b/data/mevent_server.s
@@ -4,17 +4,6 @@
 	.section .rodata
 
 	.align 2
-gUnknown_082F255C:: @ 82F255C
-	.4byte sub_801D5D0
-	.4byte sub_801D5F8
-	.4byte sub_801D5FC
-	.4byte sub_801D61C
-	.4byte sub_801D63C
-	.4byte sub_801D810
-	.4byte sub_801D828
-	.4byte sub_801D860
-
-	.align 2
 gText_CanceledReadingCard:: @ 82F257C
 	.string "Canceled reading\nthe Card.$"
 
diff --git a/include/mevent_server.h b/include/mevent_server.h
index 772aae6b1..ed9812d8a 100644
--- a/include/mevent_server.h
+++ b/include/mevent_server.h
@@ -1,53 +1,7 @@
 #ifndef GUARD_MEVENT_SERVER_H
 #define GUARD_MEVENT_SERVER_H
 
-#define ME_SEND_BUF_SIZE 0x400
-
-struct mevent_srv_sub
-{
-    s32 seqno;
-    u8 sendPlayerNo;
-    u8 recvPlayerNo;
-    u16 recvIdent;
-    u16 recvCounter;
-    u16 recvCRC;
-    u16 recvSize;
-    u16 sendIdent;
-    u16 sendCounter;
-    u16 sendCRC;
-    u16 sendSize;
-    void * recvBfr;
-    const void * sendBfr;
-    u32 (*recvFunc)(struct mevent_srv_sub *);
-    u32 (*sendFunc)(struct mevent_srv_sub *);
-};
-
-struct send_recv_header
-{
-    u16 ident;
-    u16 crc;
-    u16 size;
-};
-
-struct mevent_cmd_ish
-{
-    u32 instr;
-    u32 parameter;
-};
-
-struct mevent_srv_ish
-{
-    u32 unk_00;
-    u32 param;
-    u32 mainseqno;
-    u32 flag;
-    u32 cmdidx;
-    void * sendBuffer;
-    void * recvBuffer;
-    struct mevent_cmd_ish * cmdBuffer;
-    void * buffer;
-    struct mevent_srv_sub manager;
-};
+#include "mevent_server_helpers.h"
 
 struct mevent_cmd
 {
diff --git a/include/mevent_server_helpers.h b/include/mevent_server_helpers.h
index f682e362d..e4e409862 100644
--- a/include/mevent_server_helpers.h
+++ b/include/mevent_server_helpers.h
@@ -1,6 +1,34 @@
 #ifndef GUARD_MEVENT_SERVER_HELPERS_H
 #define GUARD_MEVENT_SERVER_HELPERS_H
 
+#define ME_SEND_BUF_SIZE 0x400
+
+struct mevent_srv_sub
+{
+    s32 seqno;
+    u8 sendPlayerNo;
+    u8 recvPlayerNo;
+    u16 recvIdent;
+    u16 recvCounter;
+    u16 recvCRC;
+    u16 recvSize;
+    u16 sendIdent;
+    u16 sendCounter;
+    u16 sendCRC;
+    u16 sendSize;
+    void * recvBfr;
+    const void * sendBfr;
+    u32 (*recvFunc)(struct mevent_srv_sub *);
+    u32 (*sendFunc)(struct mevent_srv_sub *);
+};
+
+struct send_recv_header
+{
+    u16 ident;
+    u16 crc;
+    u16 size;
+};
+
 void mevent_srv_sub_init(struct mevent_srv_sub *, u32, u32);
 void mevent_srv_sub_init_send(struct mevent_srv_sub * manager, u32 ident, const void * src, u32 size);
 bool32 mevent_srv_sub_recv(struct mevent_srv_sub * manager);
diff --git a/include/mevent_server_ish.h b/include/mevent_server_ish.h
index 31f98ed52..35833ea12 100644
--- a/include/mevent_server_ish.h
+++ b/include/mevent_server_ish.h
@@ -1,6 +1,29 @@
 #ifndef GUARD_MEVENT_SERVER_ISH_H
 #define GUARD_MEVENT_SERVER_ISH_H
 
+#include "mevent_server_helpers.h"
+
+struct mevent_cmd_ish
+{
+    u32 instr;
+    u32 parameter;
+};
+
+struct mevent_srv_ish
+{
+    u32 unk_00;
+    u32 param;
+    u32 mainseqno;
+    u32 flag;
+    u32 cmdidx;
+    void * sendBuffer;
+    void * recvBuffer;
+    struct mevent_cmd_ish * cmdBuffer;
+    void * buffer;
+    struct mevent_srv_sub manager;
+    u32 unk_4C;
+};
+
 void mevent_srv_ish_do_init(u32 arg);
 u32 mevent_srv_ish_do_exec(u16 * a0);
 void mevent_srv_ish_inc_flag(void);
diff --git a/ld_script.txt b/ld_script.txt
index 8059dadd0..0a7838883 100644
--- a/ld_script.txt
+++ b/ld_script.txt
@@ -62,7 +62,6 @@ SECTIONS {
         src/mevent_801BAAC.o(.text);
         src/mevent_server.o(.text);
         src/mevent_server_ish.o(.text);
-        asm/mevent_server_ish.o(.text);
         asm/mevent_server_helpers.o(.text);
         src/mevent_news.o(.text);
         src/union_room_chat.o(.text);
diff --git a/src/mevent_server_ish.c b/src/mevent_server_ish.c
index 30793cf5c..2b310c981 100644
--- a/src/mevent_server_ish.c
+++ b/src/mevent_server_ish.c
@@ -1,7 +1,293 @@
 #include "global.h"
 #include "alloc.h"
+#include "decompress.h"
+#include "overworld.h"
+#include "script.h"
+#include "battle_tower.h"
 #include "mevent.h"
-#include "mevent_server.h"
-#include "mevent_server_helpers.h"
+#include "mystery_event_script.h"
+#include "mevent_server_ish.h"
 
 EWRAM_DATA struct mevent_srv_ish * s_mevent_srv_ish_ptr = NULL;
+
+static void mevent_srv_ish_init(struct mevent_srv_ish *, u32, u32);
+static u32 mevent_srv_ish_exec(struct mevent_srv_ish *);
+static void mevent_srv_ish_free_resources(struct mevent_srv_ish *);
+
+extern const u8 gUnknown_082F2598[];
+extern const struct mevent_cmd gUnknown_8468B6C[];
+extern const struct mevent_cmd gUnknown_8468BCC[];
+
+void mevent_srv_ish_do_init(u32 arg)
+{
+    s_mevent_srv_ish_ptr = AllocZeroed(sizeof(struct mevent_srv_ish));
+    mevent_srv_ish_init(s_mevent_srv_ish_ptr, 1, 0);
+    s_mevent_srv_ish_ptr->unk_4C = arg;
+}
+
+u32 mevent_srv_ish_do_exec(u16 * a0)
+{
+    u32 result;
+    if (s_mevent_srv_ish_ptr == NULL)
+        return 6;
+    result = mevent_srv_ish_exec(s_mevent_srv_ish_ptr);
+    if (result == 6)
+    {
+        *a0 = s_mevent_srv_ish_ptr->param;
+        mevent_srv_ish_free_resources(s_mevent_srv_ish_ptr);
+        Free(s_mevent_srv_ish_ptr);
+        s_mevent_srv_ish_ptr = NULL;
+    }
+    return result;
+}
+
+void mevent_srv_ish_inc_flag(void)
+{
+    s_mevent_srv_ish_ptr->flag++;
+}
+
+void * mevent_srv_ish_get_buffer(void)
+{
+    return s_mevent_srv_ish_ptr->buffer;
+}
+
+void mevent_srv_ish_set_param(u32 a0)
+{
+    s_mevent_srv_ish_ptr->param = a0;
+}
+
+static void mevent_srv_ish_init(struct mevent_srv_ish * svr, u32 sendPlayerNo, u32 recvPlayerNo)
+{
+    svr->unk_00 = 0;
+    svr->mainseqno = 0;
+    svr->flag = 0;
+    svr->sendBuffer = AllocZeroed(ME_SEND_BUF_SIZE);
+    svr->recvBuffer = AllocZeroed(ME_SEND_BUF_SIZE);
+    svr->cmdBuffer = AllocZeroed(ME_SEND_BUF_SIZE);
+    svr->buffer = AllocZeroed(0x40);
+    mevent_srv_sub_init(&svr->manager, sendPlayerNo, recvPlayerNo);
+}
+
+static void mevent_srv_ish_free_resources(struct mevent_srv_ish * svr)
+{
+    Free(svr->sendBuffer);
+    Free(svr->recvBuffer);
+    Free(svr->cmdBuffer);
+    Free(svr->buffer);
+}
+
+static void mevent_srv_ish_jmp_buffer(struct mevent_srv_ish * svr)
+{
+    memcpy(svr->cmdBuffer, svr->recvBuffer, ME_SEND_BUF_SIZE);
+    svr->cmdidx = 0;
+}
+
+static void mevent_srv_ish_send_word(struct mevent_srv_ish * svr, u32 ident, u32 word)
+{
+    CpuFill32(0, svr->sendBuffer, ME_SEND_BUF_SIZE);
+    *(u32 *)svr->sendBuffer = word;
+    mevent_srv_sub_init_send(&svr->manager, ident, svr->sendBuffer, sizeof(u32));
+}
+
+static u32 ish_mainseq_0(struct mevent_srv_ish * svr)
+{
+    // init
+    memcpy(svr->cmdBuffer, gUnknown_082F2598, ME_SEND_BUF_SIZE);
+    svr->cmdidx = 0;
+    svr->mainseqno = 4;
+    svr->flag = 0;
+    return 0;
+}
+
+static u32 ish_mainseq_1(struct mevent_srv_ish * svr)
+{
+    // done
+    return 6;
+}
+
+
+static u32 ish_mainseq_2(struct mevent_srv_ish * svr)
+{
+    // do recv
+    if (mevent_srv_sub_recv(&svr->manager))
+    {
+        svr->mainseqno = 4;
+        svr->flag = 0;
+    }
+    return 1;
+}
+
+static u32 ish_mainseq_3(struct mevent_srv_ish * svr)
+{
+    // do send
+    if (mevent_srv_sub_send(&svr->manager))
+    {
+        svr->mainseqno = 4;
+        svr->flag = 0;
+    }
+    return 1;
+}
+
+static u32 ish_mainseq_4(struct mevent_srv_ish * svr)
+{
+    // process command
+    struct mevent_cmd_ish * cmd = &svr->cmdBuffer[svr->cmdidx];
+    ++svr->cmdidx;
+    switch (cmd->instr)
+    {
+    case 0:
+        break;
+    case 1:
+        svr->param = cmd->parameter;
+        svr->mainseqno = 1;
+        svr->flag = 0;
+        break;
+    case 2:
+        mevent_srv_sub_init_recv(&svr->manager, cmd->parameter, svr->recvBuffer);
+        svr->mainseqno = 2;
+        svr->flag = 0;
+        break;
+    case 3:
+        svr->mainseqno = 3;
+        svr->flag = 0;
+        break;
+    case 20:
+        mevent_srv_sub_init_send(&svr->manager, 0x14, svr->sendBuffer, 0);
+        svr->mainseqno = 3;
+        svr->flag = 0;
+        break;
+    case 19:
+        mevent_srv_ish_send_word(svr, 0x12, GetGameStat(cmd->parameter));
+        svr->mainseqno = 3;
+        svr->flag = 0;
+        break;
+    case 6:
+        if (svr->param == 0)
+            mevent_srv_ish_jmp_buffer(svr);
+        break;
+    case 7:
+        if (svr->param == 1)
+            mevent_srv_ish_jmp_buffer(svr);
+        break;
+    case 4:
+        mevent_srv_ish_jmp_buffer(svr);
+        break;
+    case 5:
+        memcpy(svr->buffer, svr->recvBuffer, 0x40);
+        svr->mainseqno = 5;
+        svr->flag = 0;
+        return 2;
+    case 11:
+        memcpy(svr->buffer, svr->recvBuffer, 0x40);
+        svr->mainseqno = 5;
+        svr->flag = 0;
+        return 3;
+    case 12:
+        memcpy(svr->buffer, svr->recvBuffer, 0x40);
+        svr->mainseqno = 5;
+        svr->flag = 0;
+        return 5;
+    case 13:
+        svr->mainseqno = 5;
+        svr->flag = 0;
+        return 4;
+    case 8:
+        sub_801B580(svr->sendBuffer, svr->unk_4C);
+        mevent_srv_sub_init_send(&svr->manager, 0x11, svr->sendBuffer, sizeof(struct MEventStruct_Unk1442CC));
+        break;
+    case 14:
+        mevent_srv_ish_send_word(svr, 0x13, svr->param);
+        break;
+    case 10:
+        sub_801B21C(svr->recvBuffer);
+        break;
+    case 9:
+        if (!sub_801B1A4(svr->recvBuffer))
+        {
+            sub_801B078(svr->recvBuffer);
+            mevent_srv_ish_send_word(svr, 0x13, 0);
+        }
+        else
+            mevent_srv_ish_send_word(svr, 0x13, 1);
+        break;
+    case 15:
+        svr->mainseqno = 6;
+        svr->flag = 0;
+        break;
+    case 16:
+        sub_801B508(svr->recvBuffer);
+        break;
+    case 17:
+        sub_80992A0(svr->recvBuffer, 1000);
+        break;
+    case 18:
+        memcpy(&gSaveBlock2Ptr->frontier.ereaderTrainer, svr->recvBuffer, 0xbc);
+        ValidateEReaderTrainer();
+        break;
+    case 21:
+        memcpy(gDecompressionBuffer, svr->recvBuffer, ME_SEND_BUF_SIZE);
+        svr->mainseqno = 7;
+        svr->flag = 0;
+        break;
+    }
+
+    return 1;
+}
+
+static u32 ish_mainseq_5(struct mevent_srv_ish * svr)
+{
+    // wait flag
+    if (svr->flag)
+    {
+        svr->mainseqno = 4;
+        svr->flag = 0;
+    }
+    return 1;
+}
+
+static u32 ish_mainseq_6(struct mevent_srv_ish * svr)
+{
+    // ???
+    switch (svr->flag)
+    {
+    case 0:
+        sub_8153870(svr->recvBuffer);
+        ++svr->flag;
+        break;
+    case 1:
+        if (!sub_8153884(&svr->param))
+        {
+            svr->mainseqno = 4;
+            svr->flag = 0;
+        }
+        break;
+    }
+    return 1;
+}
+
+static u32 ish_mainseq_7(struct mevent_srv_ish * svr)
+{
+    // exec arbitrary code
+    u32 (*func)(u32 *, struct SaveBlock2 *, struct SaveBlock1 *) = (void *)gDecompressionBuffer;
+    if (func(&svr->param, gSaveBlock2Ptr, gSaveBlock1Ptr) == 1)
+    {
+        svr->mainseqno = 4;
+        svr->flag = 0;
+    }
+    return 1;
+}
+
+static u32 mevent_srv_ish_exec(struct mevent_srv_ish * svr)
+{
+    u32 (*funcs[])(struct mevent_srv_ish *) = {
+        ish_mainseq_0,
+        ish_mainseq_1,
+        ish_mainseq_2,
+        ish_mainseq_3,
+        ish_mainseq_4,
+        ish_mainseq_5,
+        ish_mainseq_6,
+        ish_mainseq_7
+    };
+    return funcs[svr->mainseqno](svr);
+}