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/programs/tetris/trunk/block.inc
0,0 → 1,376
;--------------------------------------------------------------
;DRAW BLOCK
;
;--------------------------------------------------------------
draw_block: mov eax,13
mov edx,[color_table+edx*4]
mov ebx,[current_block_x]
mov ecx,[current_block_y]
mov edi,[current_block_pointer]
sub ebx,BORDER_LEFT
imul ebx,ADOBE_SIZE
add ebx,X_LOCATION
shl ebx,16
mov bx,ADOBE_SIZE
sub ecx,BORDER_TOP
imul ecx,ADOBE_SIZE
add ecx,Y_LOCATION
shl ecx,16
mov cx,ADOBE_SIZE
mov dword [TMP_1],4
adr_122: mov dword [TMP_0],4
adr_121: cmp byte [edi],0
je adr_120
int 040h
call draw_frames
adr_120: inc edi
add ebx,ADOBE_SIZE*65536
dec dword [TMP_0]
jnz adr_121
sub ebx,4*ADOBE_SIZE*65536
add ecx,ADOBE_SIZE*65536
dec dword [TMP_1]
jnz adr_122
ret
draw_frames:
cmp edx,0
jne df1
ret
df1:
pusha
mov bx,1
add edx,0x282828
mov eax,13
int 0x40
popa
pusha
mov cx,1
add edx,0x282828
mov eax,13
int 0x40
popa
pusha
push ebx
sub bx,1
add [esp+2],bx
pop ebx
mov bx,1
shr edx,1
and edx,0x7f7f7f
mov eax,13
int 0x40
popa
pusha
push ecx
sub cx,1
add [esp+2],cx
pop ecx
mov cx,1
shr edx,1
and edx,0x7f7f7f
mov eax,13
int 0x40
popa
ret
;-------------------------------------------------------------
; FIX BLOCK
;-------------------------------------------------------------
fix_block: mov ebx,[current_block_pointer]
mov edx,[current_block_y]
imul edx,LEN_X
add edx,[current_block_x] ;find the offset in tetris_t
add edx,table_tetris
mov ecx,4
mov al,[current_block_color]
adr_21: cmp byte [ebx],1
jne adr_22
mov [edx],al
adr_22: inc ebx
inc edx
cmp byte [ebx],1
jne adr_23
mov [edx],al
adr_23: inc ebx
inc edx
cmp byte [ebx],1
jne adr_24
mov [edx],al
adr_24: inc ebx
inc edx
cmp byte [ebx],1
jne adr_25
mov [edx],al
adr_25: inc ebx
add edx,LEN_X-3
loop adr_21
ret
;-------------------------------------------------------------
;NEW BLOCK
;-------------------------------------------------------------
new_block: mov dword [current_block_y],1
mov dword [current_block_x],7
mov eax,dword [next_block_pointer]
mov dword [current_block_pointer],eax
mov eax,dword [next_block_color]
mov dword [current_block_color],eax
call random
and al,7
setz ah
add al,ah
mov [next_block_color],al
call random
;and eax,15
; ---- Ivan ----
and eax,0xff
@@:
cmp eax,_MAXBLOCKS_
jl @f
add eax,-(_MAXBLOCKS_)
jmp @b
@@:
; ---- Ivan ----
mov edx,[block_table+eax*4]
mov [next_block_pointer],edx
mov dword[delay],5
sub dword[delay],speed
ret
;-------------------------------------------------------------
;DRAW TITLE BLOCK
;-------------------------------------------------------------
draw_title_block:
; movzx edx,byte [current_block_color]
mov eax,13
; mov edx,[color_table+edx*4]
; mov ebx,[current_block_x]
; mov ecx,[current_block_y]
; mov edi,[current_block_pointer]
sub ebx,BORDER_LEFT
imul ebx,ADOBE_SIZE
add ebx,X_LOCATION
shl ebx,16
mov bx,ADOBE_SIZE
sub ecx,BORDER_TOP
imul ecx,ADOBE_SIZE
add ecx,Y_LOCATION
shl ecx,16
mov cx,ADOBE_SIZE
mov dword [TMP_1],5
call adr_122
ret
;-------------------------------------------------------------
;FIRST BLOCK
;-------------------------------------------------------------
first_block: call random
and al,7
setz ah
add al,ah
mov [next_block_color],al
call random
;and eax,15
; ---- Ivan ----
and eax,0xff
@@:
cmp eax,_MAXBLOCKS_
jl @f
add eax,-(_MAXBLOCKS_)
jmp @b
@@:
; ---- Ivan ----
mov edx,[block_table+eax*4]
mov [next_block_pointer],edx
; call draw_next_block
; mov byte [delay],5 ;19 ;!!! 15
ret
ret
;-------------------------------------------------------------
;DRAW NEXT BLOCK
;-------------------------------------------------------------
draw_next_block:
movzx edx,byte [next_block_color]
mov eax,13
mov edx,[color_table+edx*4]
mov ebx,LEN_X+1
mov ecx,5
mov edi,[next_block_pointer]
sub ebx,BORDER_LEFT
imul ebx,ADOBE_SIZE
add ebx,X_LOCATION
shl ebx,16
mov bx,ADOBE_SIZE
sub ecx,BORDER_TOP
imul ecx,ADOBE_SIZE
add ecx,Y_LOCATION
shl ecx,16
mov cx,ADOBE_SIZE
mov dword [TMP_1],4
jmp adr_122
ret
;-------------------------------------------------------------
; ROTATE BLOCK
;-------------------------------------------------------------
rotate_block:
mov edx,[current_block_pointer]
mov edx,[edx+16]
mov esi,[current_block_pointer]
mov [current_block_pointer],edx
call check_crash
call attesa
mov [current_block_pointer],esi
ret
;-------------------------------------------------------------
; CHECK CRASH
; output Z flag => OK
; NZ flag => NO
;-------------------------------------------------------------
check_crash: mov ebx,[current_block_pointer]
mov edx,[current_block_y]
imul edx,LEN_X
add edx,[current_block_x] ;find the offset in tetris_t
add edx,table_tetris
mov ecx,4
xor ax,ax
adr_1: cmp byte [ebx],1
jne adr_2
add al,[edx]
adc ah,0
adr_2: inc ebx
inc edx
cmp byte [ebx],1
jne adr_3
add al,[edx]
adc ah,0
adr_3: inc ebx
inc edx
cmp byte [ebx],1
jne adr_4
add al,[edx]
adc ah,0
adr_4: inc ebx
inc edx
cmp byte [ebx],1
jne adr_5
add al,[edx]
adc ah,0
adr_5: inc ebx
add edx,LEN_X-3
loop adr_1
or ax,ax
ret
;--------------------------------------------------------------
;CHECK LINE
;--------------------------------------------------------------
;edx = pointer
;ebx = contatore
check_full_line:
std
mov al,0
mov edx,table_tetris+LEN_X*(LEN_Y-BORDER_BOTTOM)-1
mov ebx,(LEN_Y-BORDER_TOP-BORDER_BOTTOM-1)*LEN_X
adr_5000: mov edi,edx
mov ecx,LEN_X-BORDER_LEFT-BORDER_RIGHT
repne scasb
jz no_full_line
lea esi,[edx-LEN_X]
mov edi,edx
mov ecx,ebx
rep movsb
sub edi,BORDER_RIGHT
mov ecx,LEN_X-BORDER_LEFT-BORDER_RIGHT
rep stosb
add dword [score],100
add dword [lines],1
; mov esi,dword[score]
;
;
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; mov esi,dword [speed]
; imul esi,linestonewlevel
; add esi,linestonewlevel
; cmp dword [lines],esi
; jne adr_5000 1 line : 100
; cmp dword[speed],4 2 lines: 300
; je adr_51 3 lines: 700
; inc dword[speed] 4 lines:1500
; jmp adr_5000
; adr_51:
; mov dword[speed],0
;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
jmp adr_5000
no_full_line: sub edx,LEN_X
sub ebx,LEN_X
jnz adr_5000
ret
Property changes:
Added: svn:eol-style
+native
\ No newline at end of property