mirror of https://github.com/nmlgc/ReC98.git
105 lines
1.7 KiB
NASM
105 lines
1.7 KiB
NASM
proc_defconv pi_slot_put
|
|
@@slot = word ptr [bp + (cPtrSize + 2)]
|
|
@@y = word ptr [bp + (cPtrSize + 4)]
|
|
@@x = word ptr [bp + (cPtrSize + 6)]
|
|
|
|
push bp
|
|
mov bp, sp
|
|
push si
|
|
push di
|
|
mov si, @@slot
|
|
mov di, si
|
|
shl si, 2
|
|
les si, _pi_slot_buffers[si]
|
|
imul di, size PiHeader
|
|
push @@x
|
|
push @@y
|
|
mov ax, _pi_slot_headers.PiHeader._xsize[di]
|
|
push ax
|
|
shr ax, 1
|
|
push ax
|
|
mov di, _pi_slot_headers.PiHeader._ysize[di]
|
|
call pi_slot_put_rowloop
|
|
pop di
|
|
pop si
|
|
pop bp
|
|
ret 6
|
|
endp_defconv
|
|
align 2
|
|
|
|
; ---------------------------------------------------------------------------
|
|
|
|
proc_defconv pi_slot_put_quarter
|
|
@@quarter = byte ptr [bp + (cPtrSize + 2)]
|
|
@@slot = word ptr [bp + (cPtrSize + 4)]
|
|
@@y = word ptr [bp + (cPtrSize + 6)]
|
|
@@x = word ptr [bp + (cPtrSize + 8)]
|
|
|
|
push bp
|
|
mov bp, sp
|
|
push si
|
|
push di
|
|
xor ax, ax
|
|
xor dx, dx
|
|
mov si, @@slot
|
|
mov cl, @@quarter
|
|
test cl, 1
|
|
jz short @@bottom_quarter?
|
|
mov ax, 160
|
|
|
|
@@bottom_quarter?:
|
|
test cl, 2
|
|
jz short @@put
|
|
mov dx, ((640 * 200) / 2) / 16
|
|
|
|
@@put:
|
|
shl si, 2
|
|
les si, _pi_slot_buffers[si]
|
|
add si, ax
|
|
mov ax, es
|
|
add ax, dx
|
|
mov es, ax
|
|
push @@x
|
|
push @@y
|
|
push 320
|
|
push 320
|
|
mov di, 200
|
|
call pi_slot_put_rowloop
|
|
pop di
|
|
pop si
|
|
pop bp
|
|
ret 8
|
|
endp_defconv
|
|
|
|
; ---------------------------------------------------------------------------
|
|
|
|
pi_slot_put_rowloop proc near
|
|
@@stride = word ptr [bp+2]
|
|
@@len = word ptr [bp+4]
|
|
@@y = word ptr [bp+6]
|
|
@@x = word ptr [bp+8]
|
|
|
|
mov bp, sp
|
|
|
|
@@put:
|
|
push es
|
|
call graph_pack_put_8_noclip pascal, @@x, @@y, es, si, @@len
|
|
pop es
|
|
inc @@y
|
|
cmp @@y, 400
|
|
jb short @@next_row
|
|
sub @@y, 400
|
|
|
|
@@next_row:
|
|
add si, @@stride
|
|
mov ax, si
|
|
shr ax, 4
|
|
mov dx, es
|
|
add dx, ax
|
|
mov es, dx
|
|
and si, 0Fh
|
|
dec di
|
|
jnz short @@put
|
|
retn 8
|
|
pi_slot_put_rowloop endp
|