mirror of https://github.com/nmlgc/ReC98.git
[Decompilation] [th01] Bomb items: Spawn function
Part of P0158, funded by Yanga.
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nmlgc
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@ -60,7 +60,7 @@ bin\th01\op.exe: bin\piloadc.obj bin\th01\op.obj th01\op_01.cpp bin\th01\frmdela
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$**
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bin\th01\reiiden.exe: bin\piloadc.obj bin\th01\reiiden.obj th01\main_01.cpp th01\main_01_.cpp bin\th01\frmdelay.obj bin\th01\vsync.obj bin\th01\ztext.obj bin\th01\initexit.obj bin\th01\graph.obj bin\th01\ptn_0to1.obj bin\th01\vplanset.obj th01\main_07.cpp bin\th01\ptn.obj th01\main_08.cpp bin\th01\grz.obj th01\main_09.cpp th01\grpinv32.cpp bin\th01\resstuff.obj th01\main_13.cpp th01\main_13_.cpp th01\main_14.cpp th01\main_15.cpp bin\th01\mdrv2.obj th01\main_19.cpp th01\main_20.cpp th01\main_21.cpp th01\main_23.cpp th01\main_25.cpp th01\main_26.cpp th01\main_27.cpp th01\main_29.cpp th01\main_30.cpp th01\main_31.cpp th01\main_32.cpp th01\main_33.cpp th01\main_34.cpp th01\main_35.cpp th01\main_36.cpp th01\main_37.cpp th01\main_38.cpp
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bin\th01\reiiden.exe: bin\piloadc.obj bin\th01\reiiden.obj th01\main_01.cpp th01\main_01_.cpp bin\th01\frmdelay.obj bin\th01\vsync.obj bin\th01\ztext.obj bin\th01\initexit.obj bin\th01\graph.obj bin\th01\ptn_0to1.obj bin\th01\vplanset.obj th01\main_07.cpp bin\th01\ptn.obj th01\main_08.cpp bin\th01\grz.obj th01\main_09.cpp th01\grpinv32.cpp bin\th01\resstuff.obj th01\main_13.cpp th01\main_13_.cpp th01\main_14.cpp th01\main_15.cpp bin\th01\mdrv2.obj th01\main_19.cpp th01\main_20.cpp th01\main_21.cpp th01\main_23.cpp th01\main_24.cpp th01\main_25.cpp th01\main_26.cpp th01\main_27.cpp th01\main_29.cpp th01\main_30.cpp th01\main_31.cpp th01\main_32.cpp th01\main_33.cpp th01\main_34.cpp th01\main_35.cpp th01\main_36.cpp th01\main_37.cpp th01\main_38.cpp
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$(CC) $(CFLAGS) $(LARGE_LFLAGS) -3 -Z -d -DGAME=1 -DBINARY='M' -nbin\th01\ -eREIIDEN.EXE @&&|
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$**
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@ -2,8 +2,12 @@ extern "C" {
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#include "platform.h"
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#include "pc98.h"
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#include "planar.h"
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#include "th01/main/playfld.hpp"
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#include "th01/formats/ptn.hpp"
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#include "th01/formats/stagedat.hpp"
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#include "th01/main/stage/stageobj.hpp"
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}
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#include "th01/main/stage/item.hpp"
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/// Constants
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/// ---------
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@ -48,3 +52,26 @@ static const int ITEM_POINT_COUNT = 10;
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extern item_t items_bomb[ITEM_BOMB_COUNT];
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extern item_t items_point[ITEM_POINT_COUNT];
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/// ----------
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/// Helper functions
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/// ----------------
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#define item_add(item, from_card_slot) { \
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item.flag = IF_SPLASH; \
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item.left = cards.left[from_card_slot]; \
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item.top = cards.top[from_card_slot]; \
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item.unknown_zero = 0; \
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item.velocity_y = 2; \
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item.flag_state.splash_radius = 4; \
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}
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/// ----------------
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void items_bomb_add(int from_card_slot)
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{
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for(int i = 0; i < ITEM_BOMB_COUNT; i++) {
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if(items_bomb[i].flag == IF_FREE) {
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item_add(items_bomb[i], from_card_slot);
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return;
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}
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}
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}
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@ -0,0 +1,6 @@
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/// Bombs
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/// -----
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// Spawns a new bomb item from the position of the card in the given slot.
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void items_bomb_add(int from_card_slot);
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/// -----
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@ -0,0 +1,6 @@
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/* ReC98
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* -----
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* Code segment #24 of TH01's REIIDEN.EXE
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*/
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#include "th01/main/stage/item.cpp"
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@ -63,6 +63,7 @@ main_01 group main_01_TEXT, main_01__TEXT, main_01___TEXT
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main_15 group main_15_TEXT, main_15__TEXT
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main_19 group main_19_TEXT, main_19__TEXT
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main_21 group main_21_TEXT, main_21__TEXT
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main_24 group main_24_TEXT, main_24__TEXT
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main_25 group main_25_TEXT, main_25__TEXT
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main_27 group main_27_TEXT, main_27__TEXT
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main_29 group main_29_TEXT, main_29__TEXT
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@ -6041,7 +6042,11 @@ main_23_TEXT ends
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; Segment type: Pure code
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main_24_TEXT segment byte public 'CODE' use16
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assume cs:main_24_TEXT
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extern @items_bomb_add$qi:proc
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main_24_TEXT ends
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main_24__TEXT segment byte public 'CODE' use16
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assume cs:main_24
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;org 9
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assume es:nothing, ss:nothing, ds:_DATA, fs:nothing, gs:nothing
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@ -6054,69 +6059,6 @@ IF_COLLECTED_OVER_CAP = 100
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ITEM_W = PTN_W
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ITEM_H = PTN_H
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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sub_17CA9 proc far
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@@from_card_slot = word ptr 6
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push bp
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mov bp, sp
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mov cx, [bp+@@from_card_slot]
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xor dx, dx
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jmp short loc_17D18
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; ---------------------------------------------------------------------------
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loc_17CB3:
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mov bx, dx
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imul bx, size item_t
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cmp _items_bomb.ITEM_flag[bx], IF_FREE
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jnz short loc_17D17
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mov bx, dx
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imul bx, size item_t
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mov _items_bomb.ITEM_flag[bx], IF_SPLASH
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mov ax, cx
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add ax, ax
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les bx, _cards_left
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add bx, ax
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mov ax, es:[bx]
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mov bx, dx
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imul bx, size item_t
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mov _items_bomb.ITEM_left[bx], ax
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mov ax, cx
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add ax, ax
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les bx, _cards_top
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add bx, ax
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mov ax, es:[bx]
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mov bx, dx
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imul bx, size item_t
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mov _items_bomb.ITEM_top[bx], ax
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mov bx, dx
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imul bx, size item_t
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mov _items_bomb.ITEM_unknown_zero[bx], 0
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mov bx, dx
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imul bx, size item_t
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mov _items_bomb.ITEM_velocity_y[bx], 2
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mov bx, dx
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imul bx, size item_t
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mov _items_bomb.ITEM_splash_radius[bx], 4
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pop bp
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retf
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; ---------------------------------------------------------------------------
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loc_17D17:
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inc dx
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loc_17D18:
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cmp dx, ITEM_BOMB_COUNT
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jl short loc_17CB3
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pop bp
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retf
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sub_17CA9 endp
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; =============== S U B R O U T I N E =======================================
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; Attributes: bp-based frame
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@ -6722,9 +6664,9 @@ loc_181B4:
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imul bx, size item_t
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cmp _items_bomb.ITEM_flag[bx], IF_FREE
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jz short loc_1820E
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push seg main_24_TEXT
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push seg main_24
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push offset sub_181A7
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push seg main_24_TEXT
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push seg main_24
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push offset sub_1802D
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push 20h ; ' '
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push ds
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@ -6747,7 +6689,7 @@ loc_181B4:
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imul ax, size item_t
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add ax, offset _items_bomb.ITEM_left
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push ax
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push seg main_24_TEXT
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push seg main_24
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push offset sub_17D1F
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push ds
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mov ax, si
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@ -7188,9 +7130,9 @@ loc_18526:
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imul bx, size item_t
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cmp _items_point.ITEM_flag[bx], IF_FREE
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jz short loc_18580
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push seg main_24_TEXT
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push seg main_24
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push offset sub_18456
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push seg main_24_TEXT
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push seg main_24
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push offset sub_18465
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push 21h ; '!'
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push ds
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@ -7213,7 +7155,7 @@ loc_18526:
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imul ax, size item_t
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add ax, offset _items_point.ITEM_left
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push ax
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push seg main_24_TEXT
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push seg main_24
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push offset sub_1828D
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push ds
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mov ax, si
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@ -7237,7 +7179,7 @@ loc_18584:
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retf
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sub_1851E endp
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main_24_TEXT ends
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main_24__TEXT ends
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; ===========================================================================
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@ -17059,7 +17001,7 @@ loc_1FF67:
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; ---------------------------------------------------------------------------
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loc_1FF6F:
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call sub_17CA9 pascal, si
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call @items_bomb_add$qi pascal, si
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loc_1FF75:
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pop cx
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