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ReC98
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[Decompilation] [th01] Boss defeat sequence: Drawing white lines 

Part of P0167, funded by Ember2528.
This commit is contained in:
nmlgc 2021-11-04 22:14:32 +01:00
parent 61091c31cc
commit d5ec2220ec
4 changed files with 46 additions and 59 deletions
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2
Makefile.mak
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@ -48,7 +48,7 @@ bin\th01\op.exe: bin\piloadc.obj bin\th01\op.obj th01\op_01.cpp bin\th01\frmdela
$**
|
bin\th01\reiiden.exe: bin\piloadc.obj bin\th01\reiiden.obj th01\main_010.cpp th01\main_011.cpp th01\main_012.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_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
bin\th01\reiiden.exe: bin\piloadc.obj bin\th01\reiiden.obj th01\main_010.cpp th01\main_011.cpp th01\main_012.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_17.cpp 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_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
$(CC) $(CFLAGS) $(LARGE_LFLAGS) -3 -Z -d -DGAME=1 -DBINARY='M' -nbin\th01\ -eREIIDEN.EXE @&&|
$**
|

18
th01/main/boss/defeat.cpp Normal file
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@ -0,0 +1,18 @@
extern "C" {
#include "platform.h"
#include "pc98.h"
#include "planar.h"
#include "th01/v_colors.hpp"
#include "th01/hardware/graph.h"
}
void grcg_whiteline(screen_y_t y)
{
vram_offset_t vo = vram_offset_muldiv(0, y);
grcg_setcolor_rmw(V_WHITE);
for(vram_word_amount_t x = 0; x < (ROW_SIZE / sizeof(dots16_t)); x++) {
grcg_put(vo, 0xFFFF, 16);
vo += static_cast<vram_offset_t>(sizeof(dots16_t));
}
grcg_off();
}

6
th01/main_17.cpp Normal file
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@ -0,0 +1,6 @@
/* ReC98
* -----
* Code segment #17 of TH01's REIIDEN.EXE
*/
#include "th01/main/boss/defeat.cpp"

79
th01_reiiden.asm
View File

@ -62,6 +62,7 @@ BOSS_STAGE = (STAGES_PER_SCENE - 1)
.seq
main_01 group main_010_TEXT, main_011_TEXT, main_012_TEXT, main_013_TEXT
main_15 group main_15_TEXT, main_15__TEXT
main_17 group main_17_TEXT, main_17__TEXT
main_19 group main_19_TEXT, main_19__TEXT
main_21 group main_21_TEXT, main_21__TEXT
main_29 group main_29_TEXT, main_29__TEXT
@ -3628,48 +3629,14 @@ mdrv2_TEXT ends
; Segment type: Pure code
main_17_TEXT segment byte public 'CODE' use16
assume cs:main_17_TEXT
main_17_TEXT ends
main_17__TEXT segment byte public 'CODE' use16
assume cs:main_17
;org 5
assume es:nothing, ss:nothing, ds:_DATA, fs:nothing, gs:nothing
; =============== S U B R O U T I N E =======================================
; Attributes: bp-based frame
sub_125E5 proc far
arg_0 = word ptr 6
push bp
mov bp, sp
push si
push di
mov ax, [bp+arg_0]
imul ax, 50h
mov si, ax
call _grcg_setcolor_rmw stdcall, 7
pop cx
xor di, di
jmp short loc_1260D
; ---------------------------------------------------------------------------
loc_125FE:
les bx, _VRAM_PLANE_B
add bx, si
mov word ptr es:[bx], 0FFFFh
add si, 2
inc di
loc_1260D:
cmp di, 28h ; '('
jl short loc_125FE
call _grcg_off_func
pop di
pop si
pop bp
retf
sub_125E5 endp
extern @grcg_whiteline$qi:proc
; =============== S U B R O U T I N E =======================================
@ -3682,8 +3649,8 @@ var_C = word ptr -0Ch
var_A = word ptr -0Ah
var_8 = word ptr -8
var_6 = word ptr -6
var_4 = word ptr -4
var_2 = word ptr -2
@@bottom = word ptr -4
@@top = word ptr -2
enter 0Eh, 0
push si
@ -3693,32 +3660,30 @@ var_2 = word ptr -2
pop cx
mov ax, boss.BE_cur_top
add ax, 48
mov [bp+var_2], ax
mov [bp+@@top], ax
mov ax, boss.BE_cur_top
add ax, 48
mov [bp+var_4], ax
mov [bp+@@bottom], ax
loc_12640:
cmp [bp+var_2], 0
cmp [bp+@@top], 0
jl short loc_1264E
push [bp+var_2]
call sub_125E5
call @grcg_whiteline$qi stdcall, [bp+@@top]
pop cx
loc_1264E:
cmp [bp+var_4], 18Fh
cmp [bp+@@bottom], (RES_Y - 1)
jg short loc_1265D
push [bp+var_4]
call sub_125E5
call @grcg_whiteline$qi stdcall, [bp+@@bottom]
pop cx
loc_1265D:
dec [bp+var_2]
inc [bp+var_4]
dec [bp+@@top]
inc [bp+@@bottom]
inc [bp+var_8]
cmp [bp+var_2], 0
cmp [bp+@@top], 0
jge short loc_12673
cmp [bp+var_4], 18Fh
cmp [bp+@@bottom], (RES_Y - 1)
jg short loc_126C3
loc_12673:
@ -4063,15 +4028,13 @@ var_6 = word ptr -6
loc_12A5F:
cmp [bp+@@orb_center_x], PLAYFIELD_LEFT
jl short loc_12A6D
push [bp+@@orb_center_x]
call sub_125E5
call @grcg_whiteline$qi stdcall, [bp+@@orb_center_x]
pop cx
loc_12A6D:
cmp [bp+@@orb_center_y], (PLAYFIELD_BOTTOM - 1)
jg short loc_12A7C
push [bp+@@orb_center_y]
call sub_125E5
call @grcg_whiteline$qi stdcall, [bp+@@orb_center_y]
pop cx
loc_12A7C:
@ -4232,7 +4195,7 @@ loc_12BA2:
retf
sub_12A3A endp
main_17_TEXT ends
main_17__TEXT ends
; ===========================================================================