mirror of https://github.com/nmlgc/ReC98.git
49 lines
1.2 KiB
NASM
49 lines
1.2 KiB
NASM
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public BULLET_UPDATE_PATNUM
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bullet_update_patnum proc near
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@@patnum_base = byte ptr -1
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@@bullet = word ptr 4
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push bp
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mov bp, sp
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sub sp, 2
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push si
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mov si, [bp+@@bullet]
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cmp [si+bullet_t.BULLET_patnum], PAT_BULLET16_D_BLUE
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jl short @@ret
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cmp [si+bullet_t.BULLET_patnum], PAT_BULLET16_D_GREEN
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jge short @@d_green?
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mov [bp+@@patnum_base], PAT_BULLET16_D_BLUE
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jmp short @@set
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; ---------------------------------------------------------------------------
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@@d_green?:
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cmp [si+bullet_t.BULLET_patnum], PAT_BULLET16_V_RED
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jge short @@v_red?
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mov [bp+@@patnum_base], PAT_BULLET16_D_GREEN
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jmp short @@set
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; ---------------------------------------------------------------------------
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@@v_red?:
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cmp [si+bullet_t.BULLET_patnum], PAT_BULLET16_V_BLUE
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jge short @@v_blue?
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mov [bp+@@patnum_base], PAT_BULLET16_V_RED
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jmp short @@set
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; ---------------------------------------------------------------------------
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@@v_blue?:
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mov [bp+@@patnum_base], PAT_BULLET16_V_BLUE
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@@set:
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mov al, [bp+@@patnum_base]
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mov ah, 0
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call bullet_patnum_for_angle pascal, ax, word ptr [si+bullet_t.BULLET_angle]
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mov ah, 0
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mov [si+bullet_t.BULLET_patnum], ax
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@@ret:
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pop si
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leave
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retn 2
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bullet_update_patnum endp
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