mirror of https://github.com/nmlgc/ReC98.git
[Separate translation units] [th04] cdg_put_nocolors_8() (undecompilable)
Reason: Self-modifying. -.- Part of P0139, funded by [Anonymous].
This commit is contained in:
nmlgc
parent
7761f4e804
commit
d8ece227fd
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@ -133,7 +133,7 @@ bin\th04\res_huma.com: th04\res_huma.cpp
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$**
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| masters.lib
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bin\th04\op.exe: bin\th04\op.obj th04\m_char.cpp bin\th01\vplanset.obj bin\frmdely1.obj bin\th03\pi_put.obj bin\th03\pi_load.obj bin\hfliplut.obj bin\th04\input_w.obj bin\th04\vector.obj bin\th04\snd_pmdr.obj bin\th04\snd_mmdr.obj bin\th04\snd_kaja.obj bin\th04\cdg_put.obj bin\th04\exit.obj bin\th04\initop.obj bin\th04\cdg_p_na.obj bin\th04\input_s.obj bin\th04\snd_se_r.obj bin\th04\snd_se.obj bin\th04\egcrect.obj bin\th04\bgimage.obj bin\th04\bgimager.obj bin\th04\cdg_load.obj th04\frmdely2.c
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bin\th04\op.exe: bin\th04\op.obj th04\m_char.cpp bin\th01\vplanset.obj bin\frmdely1.obj bin\th03\pi_put.obj bin\th03\pi_load.obj bin\hfliplut.obj bin\th04\input_w.obj bin\th04\vector.obj bin\th04\snd_pmdr.obj bin\th04\snd_mmdr.obj bin\th04\snd_kaja.obj bin\th04\cdg_p_nc.obj bin\th04\cdg_put.obj bin\th04\exit.obj bin\th04\initop.obj bin\th04\cdg_p_na.obj bin\th04\input_s.obj bin\th04\snd_se_r.obj bin\th04\snd_se.obj bin\th04\egcrect.obj bin\th04\bgimage.obj bin\th04\bgimager.obj bin\th04\cdg_load.obj th04\frmdely2.c
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$(CC) $(CFLAGS) $(LARGE_LFLAGS) -DGAME=4 -DBINARY='O' -3 -Z -d -nbin\th04\ -eOP.EXE @&&|
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$**
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1
Tupfile
1
Tupfile
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@ -89,6 +89,7 @@ BMP2ARR = bin\\Pipeline\\bmp2arr.exe
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: th04_memchk.asm |> !as |> bin\\th04\\memchk.obj
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: th04\\scoreupd.asm |> !as4 |>
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: th04\\cdg_put.asm |> !as4 |>
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: th04\\cdg_p_nc.asm |> !as4 |>
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: th04\\cdg_p_pr.asm |> !as4 |>
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: th04\\input_s.asm |> !as4 |>
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: th04\\cdg_load.asm |> !as4 |>
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@ -38,6 +38,7 @@ tasm32 /m /mx /kh32768 /t th04_zuninit.asm bin\th04\zuninit.obj
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tasm32 /m /mx /kh32768 /t th04_memchk.asm bin\th04\memchk.obj
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tasm32 /m /mx /kh32768 /t /dGAME=4 th04\scoreupd.asm bin\th04\scoreupd.obj
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tasm32 /m /mx /kh32768 /t /dGAME=4 th04\cdg_put.asm bin\th04\cdg_put.obj
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tasm32 /m /mx /kh32768 /t /dGAME=4 th04\cdg_p_nc.asm bin\th04\cdg_p_nc.obj
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tasm32 /m /mx /kh32768 /t /dGAME=4 th04\cdg_p_pr.asm bin\th04\cdg_p_pr.obj
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tasm32 /m /mx /kh32768 /t /dGAME=4 th04\input_s.asm bin\th04\input_s.obj
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tasm32 /m /mx /kh32768 /t /dGAME=4 th04\cdg_load.asm bin\th04\cdg_load.obj
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@ -0,0 +1 @@
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include th04/formats/cdg_p_nc.asm
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@ -0,0 +1,60 @@
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.386
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locals
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include pc98.inc
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include th03/formats/cdg.inc
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extrn _cdg_slots:cdg_t:CDG_SLOT_COUNT
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SHARED segment word public 'CODE' use16
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assume cs:SHARED
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; Identical to the barely decompilable TH05 version, which doesn't rely on
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; self-modifying code for the width.
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public CDG_PUT_NOCOLORS_8
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cdg_put_nocolors_8 proc far
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; (PASCAL calling convention, parameter list needs to be reversed here)
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arg @@slot:word, @@top:word, @@left:word
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@@stride_backwards equ <dx>
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push bp
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mov bp, sp
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push si
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push di
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cdg_slot_offset si, @@slot
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cdg_dst_offset di, si, @@left
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mov ax, [si+cdg_t.vram_dword_w]
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mov @@width, ax
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jmp short $+2
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shl ax, 2
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add ax, ROW_SIZE
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mov @@stride_backwards, ax
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cdg_dst_segment es, @@top, bx
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push ds
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mov ds, [si+cdg_t.seg_alpha]
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xor si, si
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cld
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even
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@@next_row:
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@@width = word ptr $+1
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mov cx, 1234h
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rep movsd
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sub di, @@stride_backwards
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jns short @@next_row
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pop ds
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pop di
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pop si
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pop bp
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retf 6
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cdg_put_nocolors_8 endp
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even
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SHARED ends
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end
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@ -1,44 +0,0 @@
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; Identical to the barely decompilable TH05 version, which doesn't rely on
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; self-modifying code for the width.
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public CDG_PUT_NOCOLORS_8
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cdg_put_nocolors_8 proc far
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@@slot = word ptr 6
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@@top = word ptr 8
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@@left = word ptr 10
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push bp
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mov bp, sp
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push si
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push di
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cdg_slot_offset si, [bp+@@slot]
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cdg_dst_offset di, si, [bp+@@left]
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mov ax, [si+cdg_t.vram_dword_w]
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mov word ptr cs:@@width+1, ax
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jmp short $+2
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shl ax, 2
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add ax, (640 / 8)
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mov dx, ax
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cdg_dst_segment es, [bp+@@top], bx
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push ds
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mov ds, [si+cdg_t.seg_alpha]
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xor si, si
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cld
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align 2
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@@width:
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mov cx, 1234h
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rep movsd
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sub di, dx
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jns short @@width
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pop ds
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pop di
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pop si
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pop bp
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retf 6
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cdg_put_nocolors_8 endp
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align 2
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@ -2642,13 +2642,13 @@ SHARED segment word public 'CODE' use16
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extern _snd_pmd_resident:proc
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extern _snd_mmd_resident:proc
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extern SND_KAJA_INTERRUPT:proc
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extern CDG_PUT_NOCOLORS_8:proc
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SHARED ends
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SHARED_ segment word public 'CODE' use16
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assume cs:g_SHARED
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assume es:nothing, ss:nothing, ds:_DATA, fs:nothing, gs:nothing
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include th04/formats/cdg_put_nocolors.asm
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include th04/snd/detmodes.asm
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include th03/snd/delaymea.asm
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include th02/exit_dos.asm
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