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- ;*****************************************************************************
- openvideo macro
- mov ax,0013h
- int 10h
- mov dx,3ceh
- mov al,5
- out dx,al
- inc dx
- in al,dx
- and al,11101111b
- out dx,al
- dec dx
- mov al,6
- out dx,al
- inc dx
- in al,dx
- and al,11111101b
- out dx,al
- mov dx,3c4h
- mov al,4
- out dx,al
- inc dx
- in al,dx
- and al,11110111b
- or al,4
- out dx,al
- mov ax,0A000h
- mov vio_seg,ax
- mov es,ax
- xor di,di
- mov ax,di
- mov cx,8000h
- rep stosw
- mov dx,3d4h
- mov al,14h
- out dx,al
- inc dx
- in al,dx
- and al,10111111b
- out dx,al
- dec dx
- mov al,17h
- out dx,al
- inc dx
- in al,dx
- or al,01000000b
- out dx,al
- endm
- ;*****************************************************************************
- LOAD_PAL MACRO PAL
- local bcl
- mov dx, 3C8h
- mov ax, 0
- xor si, si
- bcl: out dx, al
- inc dl
- push ax
- mov al, byte ptr &PAL&[si]
- out dx, al
- mov al, byte ptr &PAL&[si+1]
- out dx, al
- mov al, byte ptr &PAL&[si+2]
- out dx, al
- pop ax
- dec dl
- add si, 3
- inc ax
- cmp ax, 256
- jl bcl
- ENDM
- ;*****************************************************************************
- FADE_PAL MACRO PAL
- mov dx, 3C8h
- mov ax, 0
- xor si, si
- bcl: out dx, al
- inc dl
- push ax
- mov al, byte ptr &PAL&[si]
- out dx, al
- mov al, byte ptr &PAL&[si+1]
- out dx, al
- mov al, byte ptr &PAL&[si+2]
- out dx, al
- pop ax
- dec dl
- add si, 3
- inc ax
- cmp ax, 256
- jl bcl
- ENDM
- ;*****************************************************************************
- CloseVideo MACRO
- mov ax, 3h
- int 10h
- ENDM
- ;*****************************************************************************
- WAITVRT MACRO
- local vrt, novrt
- mov dx,3dah
- VRT:
- in al,dx
- test al,8
- jnz VRT ; attend que le 'vertical retrace' démarre
- NOVRT:
- in al,dx
- test al,8
- jz NOVRT ; attend que le 'vertical retrace' s'arrĂȘte
- ENDM
- ;*****************************************************************************