mirror of https://github.com/nmlgc/ReC98.git
108 lines
2.2 KiB
NASM
108 lines
2.2 KiB
NASM
public POINTNUMS_INIT
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pointnums_init proc near
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mov _pointnum_white_p, 0
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mov _pointnum_yellow_p, 0
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retn
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pointnums_init endp
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even
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public POINTNUMS_INVALIDATE
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pointnums_invalidate proc near
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push si
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push di
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mov _tile_invalidate_box.y, POINTNUM_H
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mov si, offset _pointnums
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mov di, POINTNUM_COUNT
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@@loop:
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cmp [si+pointnum_t.flag], 0
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jz short @@next
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mov ax, [si+pointnum_t.PN_width]
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mov _tile_invalidate_box.x, ax
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mov ax, [si+pointnum_t.PN_center_cur.x]
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if GAME eq 4
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cmp [si+pointnum_t.PN_times_2], 0
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jz short @@not_times_2
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add ax, ((POINTNUM_TIMES_2_W / 2) shl 4)
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@@not_times_2:
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endif
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call tiles_invalidate_around pascal, [si+pointnum_t.PN_center_prev_y], ax
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@@next:
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add si, size pointnum_t
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dec di
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jnz short @@loop
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pop di
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pop si
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retn
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pointnums_invalidate endp
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even
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public POINTNUMS_UPDATE
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pointnums_update proc near
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push si
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push di
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mov _pointnum_first_yellow_alive, 0
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mov bx, offset _pointnums_alive
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mov si, offset _pointnums
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mov di, POINTNUM_COUNT
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@@loop:
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cmp [si+pointnum_t.flag], 0
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jz short @@next
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cmp [si+pointnum_t.flag], 2
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jnz short @@still_alive
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mov [si+pointnum_t.flag], 0
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jmp short @@next
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; ---------------------------------------------------------------------------
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@@still_alive:
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mov cl, [si+pointnum_t.age]
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mov ax, [si+pointnum_t.PN_center_cur.y]
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mov [si+pointnum_t.PN_center_prev_y], ax
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cmp cl, POINTNUM_POPUP_FRAMES
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jb short @@popup_frames_elapsed
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sub ax, (POINTNUM_POPUP_DISTANCE / POINTNUM_POPUP_FRAMES)
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@@popup_frames_elapsed:
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mov [si+pointnum_t.PN_center_cur.y], ax
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cmp ax, ((-POINTNUM_H / 2) shl 4)
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jg short @@not_clipped
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mov [si+pointnum_t.flag], 2
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jmp short @@next
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; ---------------------------------------------------------------------------
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@@not_clipped:
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inc cl
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mov [si+pointnum_t.age], cl
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cmp cl, POINTNUM_FRAMES
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jbe short @@not_remove
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mov [si+pointnum_t.flag], 2
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jmp short @@next
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; ---------------------------------------------------------------------------
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@@not_remove:
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mov [bx], si
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cmp di, POINTNUM_YELLOW_COUNT
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ja short @@not_yellow
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cmp _pointnum_first_yellow_alive, 0
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jnz short @@not_yellow
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mov _pointnum_first_yellow_alive, si
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@@not_yellow:
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add bx, word
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@@next:
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add si, size pointnum_t
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dec di
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jnz short @@loop
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mov word ptr [bx], 0
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pop di
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pop si
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retn
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pointnums_update endp
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even
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