mirror of https://github.com/nmlgc/ReC98.git
177 lines
3.1 KiB
NASM
177 lines
3.1 KiB
NASM
|
public PI_SLOT_PUT_MASK
|
||
|
|
pi_slot_put_mask proc far
|
||
|
|
@@mask_id = word ptr 6
|
||
|
|
@@slot = word ptr 8
|
||
|
|
@@y = word ptr 0Ah
|
||
|
|
@@x = word ptr 0Ch
|
||
|
|
|
||
|
|
push bp
|
||
|
|
mov bp, sp
|
||
|
|
push si
|
||
|
|
push di
|
||
|
|
mov si, [bp+@@slot]
|
||
|
|
mov di, si
|
||
|
|
shl si, 2
|
||
|
|
les si, _pi_slot_buffers[si]
|
||
|
|
assume es:nothing
|
||
|
|
imul di, size PiHeader
|
||
|
|
push [bp+@@x]
|
||
|
|
push [bp+@@y]
|
||
|
|
mov ax, _pi_slot_headers._xsize[di]
|
||
|
|
push ax
|
||
|
|
shr ax, 1
|
||
|
|
push ax
|
||
|
|
mov di, _pi_slot_headers._ysize[di]
|
||
|
|
mov ax, [bp+@@mask_id]
|
||
|
|
call pi_slot_put_mask_rowloop
|
||
|
|
pop di
|
||
|
|
pop si
|
||
|
|
pop bp
|
||
|
|
retf 8
|
||
|
|
pi_slot_put_mask endp
|
||
|
|
|
||
|
|
; ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
public PI_SLOT_PUT_QUARTER_MASK
|
||
|
|
pi_slot_put_quarter_mask proc far
|
||
|
|
|
||
|
|
@@mask_id = word ptr 6
|
||
|
|
@@quarter = byte ptr 8
|
||
|
|
@@slot = word ptr 0Ah
|
||
|
|
@@y = word ptr 0Ch
|
||
|
|
@@x = word ptr 0Eh
|
||
|
|
|
||
|
|
push bp
|
||
|
|
mov bp, sp
|
||
|
|
push si
|
||
|
|
push di
|
||
|
|
xor ax, ax
|
||
|
|
xor dx, dx
|
||
|
|
mov si, [bp+@@slot]
|
||
|
|
mov cl, [bp+@@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
|
||
|
|
assume es:nothing
|
||
|
|
mov di, 200
|
||
|
|
push [bp+@@x]
|
||
|
|
push [bp+@@y]
|
||
|
|
push 320
|
||
|
|
push 320
|
||
|
|
mov ax, [bp+@@mask_id]
|
||
|
|
call pi_slot_put_mask_rowloop
|
||
|
|
pop di
|
||
|
|
pop si
|
||
|
|
pop bp
|
||
|
|
retf 0Ah
|
||
|
|
pi_slot_put_quarter_mask endp
|
||
|
|
even
|
||
|
|
|
||
|
|
; ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
; void pascal pi_slot_put_mask_rowloop(
|
||
|
|
; int mask_id<ax>,
|
||
|
|
; void far *pi_buf<es:si>,
|
||
|
|
; int h<di>,
|
||
|
|
; int x, int y, int w, size_t stride_packed
|
||
|
|
; );
|
||
|
|
pi_slot_put_mask_rowloop proc near
|
||
|
|
@@stride_packed = word ptr [bp+2]
|
||
|
|
@@w = word ptr [bp+4]
|
||
|
|
@@y = word ptr [bp+6]
|
||
|
|
@@x = word ptr [bp+8]
|
||
|
|
@@mask_id equ ax
|
||
|
|
@@h equ di
|
||
|
|
|
||
|
|
TEMP_ROW = RES_Y
|
||
|
|
|
||
|
|
shl @@mask_id, 3
|
||
|
|
add @@mask_id, offset _PI_MASKS
|
||
|
|
mov _pi_mask_ptr, @@mask_id
|
||
|
|
mov bp, sp
|
||
|
|
mov dx, @@x
|
||
|
|
shr dx, 3
|
||
|
|
mov ax, @@y
|
||
|
|
shl ax, 6
|
||
|
|
add dx, ax
|
||
|
|
shr ax, 2
|
||
|
|
add dx, ax
|
||
|
|
mov _pi_put_mask_vram_offset, dx
|
||
|
|
mov _pi_mask_y, 0
|
||
|
|
|
||
|
|
@@put_row:
|
||
|
|
push es
|
||
|
|
call graph_pack_put_8_noclip pascal, 0, TEMP_ROW, es, si, @@w
|
||
|
|
push ds
|
||
|
|
push @@h
|
||
|
|
push si
|
||
|
|
mov di, _pi_put_mask_vram_offset
|
||
|
|
add _pi_put_mask_vram_offset, ROW_SIZE
|
||
|
|
cmp _pi_put_mask_vram_offset, (ROW_SIZE * RES_Y)
|
||
|
|
jb short @@next_row
|
||
|
|
sub _pi_put_mask_vram_offset, (ROW_SIZE * RES_Y)
|
||
|
|
|
||
|
|
@@next_row:
|
||
|
|
call pi_egc_mask
|
||
|
|
mov ax, GRAM_400
|
||
|
|
mov es, ax
|
||
|
|
assume es:nothing
|
||
|
|
mov ds, ax
|
||
|
|
assume ds:nothing
|
||
|
|
mov si, (ROW_SIZE * TEMP_ROW)
|
||
|
|
mov cx, @@w
|
||
|
|
shr cx, 4
|
||
|
|
rep movsw
|
||
|
|
call egc_off
|
||
|
|
pop si
|
||
|
|
pop @@h
|
||
|
|
pop ds
|
||
|
|
assume ds:_DATA
|
||
|
|
pop es
|
||
|
|
assume es:nothing
|
||
|
|
add si, @@stride_packed
|
||
|
|
mov ax, si
|
||
|
|
shr ax, 4
|
||
|
|
mov dx, es
|
||
|
|
add dx, ax
|
||
|
|
mov es, dx
|
||
|
|
and si, 0Fh
|
||
|
|
dec @@h
|
||
|
|
jnz short @@put_row
|
||
|
|
retn 8
|
||
|
|
pi_slot_put_mask_rowloop endp
|
||
|
|
|
||
|
|
|
||
|
|
; ---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
|
||
|
|
pi_egc_mask proc near
|
||
|
|
call egc_on
|
||
|
|
outw2 EGC_ACTIVEPLANEREG, 0FFF0h
|
||
|
|
egc_selectpat
|
||
|
|
egc_setrop EGC_COMPAREREAD or EGC_WS_PATREG or EGC_RL_MEMREAD
|
||
|
|
outw2 EGC_ADDRRESSREG, 0
|
||
|
|
outw2 EGC_BITLENGTHREG, 0Fh
|
||
|
|
mov bx, _pi_mask_ptr
|
||
|
|
mov ax, _pi_mask_y
|
||
|
|
and ax, 3
|
||
|
|
shl ax, 1
|
||
|
|
add bx, ax
|
||
|
|
outw2 EGC_MASKREG, [bx]
|
||
|
|
inc _pi_mask_y
|
||
|
|
retn
|
||
|
|
pi_egc_mask endp
|