mirror of
https://github.com/Tolik-Trek/Crazy-Blaster.git
synced 2026-06-16 01:51:10 +03:00
66 lines
1.2 KiB
NASM
66 lines
1.2 KiB
NASM
;///////////////////////////////////////////////////
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;
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; CLS. Žç¨áâ¨âì íªà
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;
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; Œ®¦® § ¤ âì ®¤¨ à£ã¬¥â - 梥â íªà .
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; …᫨ à£ã¬¥â ¥ § ¤ , ¨á¯. ¯®-㬮«ç ¨î #07.
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;///////////////////////////////////////////////////
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cmd_cls: ex de,hl ; hl=ª®¬-áâப
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;ld de,T9186 ; ¡ãä¥à ¯®¤ ¯ à ¬¥âà
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ld de,Buffers.work.buffer1;
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push de
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ld c,Dss.GSwitch ; ¢ë¤¥«¨âì ¯ à ¬¥âà ª®¬-áâப¨
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RST ToDSS
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pop hl
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jp nc,invalid_param ; "Invalid parametr" (>1 ¯ à ¬.)
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ld b,7 ; âਡãâ ®ç¨á⪨ ¯®-㬮«ç ¨î
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ld a,(hl)
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or a
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jr z,cls_clear
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call ascii2byte
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jp c,invalid_param ; "Invalid parametr"
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and 7
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ld b,a
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inc hl
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ld a,(hl)
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or a
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jr z,cls_clear
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ld a,b
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rlca
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rlca
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rlca
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rlca
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ld b,a
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ld a,(hl)
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call ascii2byte
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jp c,invalid_param ; "Invalid parametr"
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or b
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ld b,a
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cls_clear: ld a,b
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ld (color_screen),a ; âਡãâ
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ld de,0 ; Y/X ¯®«®¦.
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ld hl,#2050 ; Y/X à §¬¥à
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ld c,BIOS.LP_CLS_WIN ; ®ç¨áâ¨âì ®ª® (¢ë¢®¤®¬ ¯à®¡¥«®¢)
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RST ToBIOS
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; ãáâ. ªãàá®à ¢ Home
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ld de,0 ; Y/X ¯®«®¦.
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ld c,Dss.Locate
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RST ToDSS
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ret
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; ascii -> int
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ascii2byte:
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cp "0"
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ret c
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cp "9"+1
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jr c,$+10 ;!FIXIT $
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and 5Fh
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cp "F"+1
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ccf
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ret c
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sub 7
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sub "0"
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or a
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ret
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