mirror of https://github.com/nmlgc/ReC98.git
[Position independence] [th04] False positives: Q12.4 subpixel calculations
Part of P0241, funded by [Anonymous] and Blue Bolt.
This commit is contained in:
nmlgc
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commit
a98ed32b10
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@ -13820,12 +13820,12 @@ loc_15370:
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jnz short loc_1538C
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cmp _midboss_pos.cur.x, (180 shl 4)
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jl short loc_15384
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mov ax, 0FFC0h
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mov ax, (-4 shl 4)
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jmp short loc_15387
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; ---------------------------------------------------------------------------
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loc_15384:
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mov ax, 40h
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mov ax, (4 shl 4)
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loc_15387:
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mov _midboss_pos.velocity.x, ax
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@ -15138,20 +15138,18 @@ loc_15EEA:
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mov byte_25667, 2
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cmp [bp+arg_0], 0
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jnz short loc_15F23
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push 1000h
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call randring2_next16_mod
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add ax, 400h
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call randring2_next16_mod pascal, (256 shl 4)
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add ax, (64 shl 4)
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mov si, ax
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push 400h
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call randring2_next16_mod
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add ax, 400h
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call randring2_next16_mod pascal, (64 shl 4)
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add ax, (64 shl 4)
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mov di, ax
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jmp short loc_15F29
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; ---------------------------------------------------------------------------
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loc_15F23:
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mov si, 0C00h
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mov di, 500h
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mov si, ((PLAYFIELD_W / 2) shl 4)
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mov di, (80 shl 4)
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loc_15F29:
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mov ax, si
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@ -15236,7 +15234,7 @@ loc_15FCF:
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loc_15FDE:
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cmp _boss_phase_frame, 31
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jnz short loc_15FF3
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add word_25662, 400h
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add word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 80h
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jmp loc_1607E
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; ---------------------------------------------------------------------------
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@ -15244,7 +15242,7 @@ loc_15FDE:
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loc_15FF3:
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cmp _boss_phase_frame, 47
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jnz short loc_16007
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sub word_25662, 400h
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sub word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 10h
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jmp short loc_1607E
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; ---------------------------------------------------------------------------
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@ -15252,7 +15250,7 @@ loc_15FF3:
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loc_16007:
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cmp _boss_phase_frame, 63
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jnz short loc_1601B
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add word_25662, 400h
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add word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 70h
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jmp short loc_1607E
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; ---------------------------------------------------------------------------
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@ -15260,7 +15258,7 @@ loc_16007:
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loc_1601B:
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cmp _boss_phase_frame, 79
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jnz short loc_1602F
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sub word_25662, 400h
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sub word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 20h
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jmp short loc_1607E
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; ---------------------------------------------------------------------------
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@ -15268,7 +15266,7 @@ loc_1601B:
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loc_1602F:
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cmp _boss_phase_frame, 95
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jnz short loc_16043
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add word_25662, 400h
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add word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 60h
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jmp short loc_1607E
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; ---------------------------------------------------------------------------
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@ -15276,7 +15274,7 @@ loc_1602F:
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loc_16043:
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cmp _boss_phase_frame, 111
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jnz short loc_16057
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sub word_25662, 400h
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sub word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 30h
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jmp short loc_1607E
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; ---------------------------------------------------------------------------
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@ -15284,7 +15282,7 @@ loc_16043:
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loc_16057:
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cmp _boss_phase_frame, 127
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jnz short loc_1606B
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add word_25662, 400h
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add word_25662, (64 shl 4)
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mov _bullet_template.BT_angle, 50h
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jmp short loc_1607E
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; ---------------------------------------------------------------------------
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@ -21260,8 +21258,8 @@ off_195D6 dw offset loc_19178
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orange_195E4 proc near
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var_4 = word ptr -4
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var_2 = word ptr -2
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@@y = word ptr -4
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@@x = word ptr -2
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enter 4, 0
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mov ax, _boss_phase_frame
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@ -21271,21 +21269,19 @@ var_2 = word ptr -2
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jl short loc_19678
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cmp _boss_phase_frame, 16
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jnz short loc_19647
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push 1400h
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call randring2_next16_mod
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add ax, 200h
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mov [bp+var_2], ax
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push 600h
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call randring2_next16_mod
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add ax, 400h
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mov [bp+var_4], ax
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mov ax, [bp+var_2]
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call randring2_next16_mod pascal, (320 shl 4)
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add ax, (32 shl 4)
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mov [bp+@@x], ax
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call randring2_next16_mod pascal, (96 shl 4)
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add ax, (64 shl 4)
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mov [bp+@@y], ax
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mov ax, [bp+@@x]
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sub ax, _boss_pos.cur.x
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mov bx, (4 shl 4)
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cwd
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idiv bx
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mov _boss_pos.velocity.x, ax
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mov ax, [bp+var_4]
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mov ax, [bp+@@y]
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sub ax, _boss_pos.cur.y
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cwd
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idiv bx
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@ -22646,8 +22642,7 @@ loc_1A41C:
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; ---------------------------------------------------------------------------
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loc_1A42E:
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push 0C000500h
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call yuuka6_1A439
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call yuuka6_1A439 pascal, (((PLAYFIELD_W / 2) shl 4) shl 16) or (80 shl 4)
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pop bp
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retn
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yuuka6_1A3C3 endp
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@ -22659,15 +22654,15 @@ yuuka6_1A3C3 endp
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yuuka6_1A439 proc near
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arg_0 = word ptr 4
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arg_2 = word ptr 6
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@@y = word ptr 4
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@@x = word ptr 6
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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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mov si, [bp+arg_2]
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mov di, [bp+arg_0]
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mov si, [bp+@@x]
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mov di, [bp+@@y]
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cmp _boss_phase_frame, 64
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jge short loc_1A457
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cmp _yuuka6_sprite_state, Y6SS_VANISHED
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@ -24201,8 +24196,7 @@ loc_1B59A:
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loc_1B5A6:
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inc _boss_phase_frame
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push 0C000500h
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call yuuka6_1A439
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call yuuka6_1A439 pascal, (((PLAYFIELD_W / 2) shl 4) shl 16) or (80 shl 4)
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or al, al
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jz loc_1B8EA
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inc _boss_phase
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@ -24227,12 +24221,9 @@ loc_1B5DB:
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; ---------------------------------------------------------------------------
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loc_1B5E0:
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push 1200h
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call randring2_next16_mod
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add ax, 300h
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push ax
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push 500h
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call yuuka6_1A439
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call randring2_next16_mod pascal, (288 shl 4)
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add ax, (48 shl 4)
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call yuuka6_1A439 pascal, ax, (80 shl 4)
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or al, al
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jz short loc_1B600
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mov _boss_mode, 0
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@ -24341,12 +24332,9 @@ loc_1B6F7:
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; ---------------------------------------------------------------------------
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loc_1B6FC:
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push 900h ; jumptable 0001B6E9 case 255
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call randring2_next16_mod
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add ax, 300h
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push ax
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push 500h
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call yuuka6_1A439
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call randring2_next16_mod pascal, (144 shl 4) ; jumptable 0001B6E9 case 255
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add ax, (48 shl 4)
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call yuuka6_1A439 pascal, ax, (80 shl 4)
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or al, al
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jz short loc_1B72E ; default
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