mirror of https://github.com/nmlgc/ReC98.git
67 lines
944 B
NASM
67 lines
944 B
NASM
.386
|
|
locals
|
|
|
|
include pc98.inc
|
|
include th03/formats/cdg.inc
|
|
|
|
extrn _cdg_slots:cdg_t:CDG_SLOT_COUNT
|
|
|
|
SHARED segment word public 'CODE' use16
|
|
assume cs:SHARED
|
|
|
|
public CDG_PUT_NOALPHA_8
|
|
cdg_put_noalpha_8 proc far
|
|
|
|
@@slot = word ptr 6
|
|
@@top = word ptr 8
|
|
@@left = word ptr 10
|
|
|
|
@@vram_offset_at_bottom_left equ <bx>
|
|
|
|
push bp
|
|
mov bp, sp
|
|
push si
|
|
push di
|
|
|
|
cdg_slot_offset si, [bp+@@slot]
|
|
cdg_dst_offset ax, si, [bp+@@left]
|
|
|
|
mov di, ax
|
|
mov ax, [si+cdg_t.vram_dword_w]
|
|
mov word ptr cs:@@width, ax
|
|
jmp short $+2
|
|
shl ax, 2
|
|
add ax, ROW_SIZE
|
|
mov dx, ax
|
|
|
|
cdg_dst_segment es, [bp+@@top], bx
|
|
|
|
push ds
|
|
mov ax, [si+cdg_t.seg_colors]
|
|
mov ds, ax
|
|
xor si, si
|
|
mov @@vram_offset_at_bottom_left, di
|
|
cld
|
|
even
|
|
|
|
@@row_loop:
|
|
@@width = word ptr $+1
|
|
mov cx, 1234h
|
|
rep movsd
|
|
sub di, dx
|
|
jns short @@row_loop
|
|
mov di, bx
|
|
vram_plane_next es, @@row_loop
|
|
|
|
@@ret:
|
|
pop ds
|
|
pop di
|
|
pop si
|
|
pop bp
|
|
retf 6
|
|
cdg_put_noalpha_8 endp
|
|
even
|
|
SHARED ends
|
|
|
|
end
|