mirror of
https://github.com/Tolik-Trek/Estex-DSS.git
synced 2026-06-15 01:11:48 +03:00
683 lines
12 KiB
NASM
683 lines
12 KiB
NASM
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;[BEGIN]
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;//MODULE: VIDEO
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;//CREATE: 19-05-1998 AUTHOR: Denis Parinov
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;//UPDATE: 24-10-1999 DNS Restore module
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;---------------------------------------------------------------
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;Rev Date Name Description
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;---------------------------------------------------------------
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;R02 07-11-2002 DNS CORRECT FN. WINCOPY & WINREST, ADD "DI+EI"
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;R01 07-11-2002 DNS FIX BUG WITH SCROLLUP FN. (A=0)
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;---------------------------------------------------------------
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; CLEAR TEXT WINDOW
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CLEAR LD C,BIOS.LP_CLS_WIN2
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RST ToBIOS
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AND A
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RET
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;
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; PRINT NULL-TERMINATED CHARS STRING
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; HL - STRING POINTER
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PCHARS LD A,(HL)
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INC HL
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OR A
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RET Z
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;PUSH HL
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CALL PUTCHAR
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;POP HL
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JP PCHARS
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; PRINT CHAR
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; A - CHAR
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PUTCHAR:
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CP #0D
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JP Z,CR_
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CP #0A
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JP Z,LF_
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CP #09
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JP Z,TB_
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CP #08
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JP Z,BK_
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; CP #20
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; JP NC,CHAR
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CHAR: LD BC,1*256 + BIOS.LP_PRINT_SYM
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RST ToBIOS
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; ‘€‰Œ€<C592> âãâ ᨫìë© áªà®«« íªà ¥á«¨ ¯¥ç â « ¢ ¯®§¨æ¨¨ ¯®á«¥¤¥£® ᨬ¢®« ¯®á«¥¤¥© áâப¨
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; push af
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; ld a,e
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; cp #4F
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; jp nz,.exit
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; ld a,d
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; cp #1F
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; jp nz,.exit
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; ld e,0
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; ld c,#84
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; rst 8
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; call LFF
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; .exit:
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; pop af
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; ‘€‰Œ€<C592>
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RET
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BK_: LD C,BIOS.LP_GET_PLACE ;GET CURSOR
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RST ToBIOS
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XOR A
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CP E
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JP Z,LOCATE
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DEC E
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JP LOCATE
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TB_: LD C,BIOS.LP_GET_PLACE ;GET CURSOR
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RST ToBIOS
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IF TABisSPACES
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LD B,E
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LD A,E
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AND #F8
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ADD A,8
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SUB B
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LD B,A
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LD C,BIOS.LP_PRINT_SYM
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LD A,#20
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RST ToBIOS
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RET
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ELSE
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LD A,E
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ADD A,8
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AND #78
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LD E,A
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JP LOCATE
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ENDIF
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LF_: LD C,BIOS.LP_GET_PLACE ;GET CURSOR
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RST ToBIOS
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LD A,D
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CP #1F
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JP NC,LFF
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INC D
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//JP LOCATE
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CALL LOCATE ; !!!!! ‘ ©¬
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CR_: LD C,BIOS.LP_GET_PLACE ;GET CURSOR
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RST ToBIOS
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LD E,0
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JP LOCATE
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LFF: PUSH HL
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;PUSH DE
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LD BC,1*256 + BIOS.LP_SCROLL_UD
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LD DE,#0020
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EI
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HALT
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DI
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RST ToBIOS
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LD DE,#1F00
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;PUSH DE
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CALL LOCATE
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LD A,#20
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LD BC,#50*256 + BIOS.LP_PRINT_SYM
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RST ToBIOS
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EI
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;POP DE
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LD DE,#1F00
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CALL LOCATE
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POP HL
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RET
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;
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; SET CURRENT CURSOR POSITION
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;===============================
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; D = Y
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; E = X
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LOCATE: LD C,BIOS.LP_SET_PLACE
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RST ToBIOS
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RET
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; GET CURRENT CURSOR POSITION
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; out:
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; D - Y
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; E - X
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CURSOR: LD C,BIOS.LP_GET_PLACE
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RST ToBIOS
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RET
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; READ CHAR & ATTR FROM THE SCREEN
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; in:
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; D - Y
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; E - X
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; out:
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; A - CHAR
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; B - ATTR
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RDCHAR: XOR A
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LD C,BIOS.WIN_GET_SYM
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RST ToBIOS
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LD A,L
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LD B,H
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AND A
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RET
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; WRITE CHAR & ATTR TO THE SCREEN
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; D - Y
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; E - X
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; A - CHAR
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; B - ATTR
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;!FIXIT slow ª ª ¡¥§ WIN_GET_SYM âãâ ®¡®©â¨áì?
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WRCHAR: LD C,A
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PUSH BC
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PUSH DE
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XOR A
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LD C,BIOS.WIN_GET_SYM
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RST ToBIOS
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POP DE
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POP HL
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XOR A
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LD C,BIOS.WIN_PUT_SYM
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RST ToBIOS
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AND A
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RET
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; COPY WINDOW FROM THE SCREEN
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; D - Y
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; E - X
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; H - HEIGHT
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; L - WIDTH
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; IX - ADDRESS
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; B - PAGE, IF IX > 0C000H ; FIXIT ¥ ª®áïª «¨ âãâ? ¡ ª ¤®«¦ ¢ A' ¯¥à¥¤ ¢ âìáï, ¥ B
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WINCOPY: AND A
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LD A,R ;R02
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PUSH AF ;R02
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XOR A
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EX AF,AF' ;R03
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LD A,B ;R03 ;!TEST
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EX AF,AF' ;R03
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LD C,BIOS.WIN_COPY
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DI ;R02
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RST ToBIOS
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POP AF ;R02
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RET PO ;R02
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EI ;R02
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RET
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; RESTORE WINDOW TO THE SCREEN
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; D - Y
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; E - X
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; H - HEIGHT
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; L - WIDTH
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; IX - ADDRESS
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; B - PAGE, IF IX > 0C000H ; FIXIT ¥ ª®áïª «¨ âãâ? ¡ ª ¤®«¦ ¢ A' ¯¥à¥¤ ¢ âìáï, ¥ B
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WINREST: AND A
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LD A,R ;R02
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PUSH AF ;R02
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XOR A
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EX AF,AF' ;R03
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LD A,B ;R03 ;!TEST
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EX AF,AF' ;R03
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DI ;R02
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LD C,BIOS.WIN_RESTORE
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RST ToBIOS
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POP AF ;R02
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RET PO ;R02
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EI ;R02
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RET
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; SCROLL WINDOW
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; D - Y
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; E - X
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; H - HEIGHT
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; L - WIDTH
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; B - SCROLL DIRECTION
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; B = 1 - SCROLL UP
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; B = 2 - SCROLL DOWN
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; A = 0 - CLEAR LINE
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SCROLL: DJNZ SCR_DW
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LD B,A
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LD C,H
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PUSH BC
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PUSH DE
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PUSH HL
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LD XH,D
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LD XL,E
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INC D
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DEC H
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LD C,BIOS.WIN_MOVE
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XOR A
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RST ToBIOS
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POP HL
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POP DE
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POP BC
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XOR A
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CP B
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RET NZ
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LD A,D
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ADD A,H
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DEC A ;R01
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LD D,A
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.print: PUSH DE ;R01
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CALL LOCATE
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LD A,#20
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LD B,L
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LD C,BIOS.LP_PRINT_SYM
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RST ToBIOS
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POP DE ;R01
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CALL LOCATE ;R01
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AND A
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RET
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SCR_DW: DJNZ SCR_ERR
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LD B,A
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LD C,L
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PUSH BC ;R03 ;!TEST
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PUSH DE
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PUSH HL
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LD XH,D
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LD XL,E
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INC XH
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DEC H
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LD C,BIOS.WIN_MOVE
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XOR A
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RST ToBIOS
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POP HL
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POP DE
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POP BC ;R03 ;!TEST
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XOR A
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CP B
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JR Z,SCROLL.print
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; PUSH DE ;R01
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; CALL LOCATE
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; LD A,#20
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; LD B,L
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; LD C,BIOS.LP_PRINT_SYM
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; RST ToBIOS
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; POP DE ;R01
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; CALL LOCATE ;R01
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; AND A
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RET
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SCR_ERR:
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LD A,DSS_Error.sys.INVALID_FUNCTION
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SCF
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RET
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; SELECT SCREEN PAGE
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; B - SCREEN PAGE
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SELPAGE ;PUSH BC
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LD A,(VMODE)
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BIT 7,A
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JR NZ,SEL2
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PUSH BC
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LD C,A
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CALL SETVMOD.TEXT_M
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POP BC
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SEL2 ;POP BC
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LD A,B
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AND #01
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OUT (SCREEN_SWITCH),A
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RET
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; GET CURRENT VIDEO MODE
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; out:
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; A - MODE
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; B - PAGE
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GETVMOD IN A,(SCREEN_SWITCH)
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LD B,A
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LD A,(VMODE)
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AND A
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RET
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; SET CURRENT VIDEO MODE
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; A - MODE
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; B - PAGE
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SETVMOD: BIT 7,A
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LD C,A
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JR NZ,GRAPH
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.TEXT_M: LD IX,BACKTXT
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PUSH IX
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EX AF,AF'
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LD A,(VMODE)
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LD (VVMODE),A
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EX AF,AF'
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INC A
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DEC A
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JR Z,.NOMODE
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DEC A
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JR Z,.NOMODE
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DEC A
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LD HL,TAB_40x32
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JP Z,T_40_32
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DEC A
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LD HL,TAB_80x32
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JP Z,T_80_32
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.NOMODE: POP IX
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LD A,DSS_Error.sys.INVALID_VIDEO_MODE
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SCF
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RET
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GRAPH: CALL SAVETXT
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AND #7F
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JR Z,G320_16 ; !TODO ? - ¯®ª ®âà ¡ âë¢ ¥â ª ª ®è¨¡ª
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DEC A
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JP Z,G320_56
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DEC A
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JP Z,G640_16
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; DEC A
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; JP Z,G640_56 ; !TODO ? - ¯®ª ®âà ¡ âë¢ ¥â ª ª ®è¨¡ª
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G320_16: LD A,DSS_Error.sys.INVALID_VIDEO_MODE
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SCF
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RET
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T_80_32:
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T_40_32: PUSH BC
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; LD HL,TAB2
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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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OR B
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AND #11
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XOR #10
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LD E,A
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GRAPH_NEXT:
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CALL SETMODE
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POP BC
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LD A,C
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LD (VMODE),A
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LD A,B
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AND #01
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OUT (SCREEN_SWITCH),A
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LD A,(VMODE)
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LD C,#81
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RST #30
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SAFE_PORTY
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XOR A
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RET
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; T_80_32 PUSH BC
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; LD HL,TAB1
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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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; OR B
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; AND #11
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; XOR #10
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; LD E,A
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; CALL SETMODE
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; POP BC
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; LD A,C
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; LD (VMODE),A
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; LD A,B
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; AND #01
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; OUT (SCREEN_SWITCH),A
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; LD A,(VMODE)
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; LD C,#81
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; RST #30
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; SAFE_PORTY
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; XOR A
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; RET
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G320_56 PUSH BC
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LD HL,TAB_320x256_0
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LD E,#11
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CALL SETMODE
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LD HL,TAB_320x256_1
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LD E,#00
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JR GRAPH_NEXT
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; CALL SETMODE
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; POP BC
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; LD A,C
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; LD (VMODE),A
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; LD A,B
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; AND #01
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; OUT (SCREEN_SWITCH),A
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; LD A,(VMODE)
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; LD C,#81
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; RST #30
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; SAFE_PORTY
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; XOR A
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; RET
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G640_16 PUSH BC
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LD HL,TAB_640x256_0
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LD E,#11
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CALL SETMODE
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LD HL,TAB_640x256_1
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LD E,#00
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JR GRAPH_NEXT
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; CALL SETMODE
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; POP BC
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; LD A,C
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; LD (VMODE),A
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; LD A,B
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; AND #01
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; OUT (SCREEN_SWITCH),A
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; LD A,(VMODE)
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; LD C,#81
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; RST #30
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; SAFE_PORTY
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; XOR A
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; RET
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VMODE: DB #03
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;02h - TEXT 40 x 32 (16 colors)
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;03h - TEXT 80 x 32 (16 colors)
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;80h - GRAF 320 x 256 (16 colors)
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;81h - GRAF 320 x 256 (256 colors)
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;82h - GRAF 640 x 256 (16 colors)
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;83h - GRAF 640 x 256 (256 colors) UNUSED
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SETMODE: PUSH DE
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LD DE,#FEE0 ;!HARDCODE £àï§ë© å ª. ª¨¤ ¥â ¤ ë¥ ¢ ¡ãä¥à á«ã¦¥¡®© áâà ¨æë ¡¨®á .
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LD BC,ScreenDescriptorTable.Size ; <20>ˆŽ‘ ¯à¨ ¨á¯®«ì§®¢ ¨¨ IX ¯à¥¤¯®« £ ¥â, çâ® ® 㪠§ë¢ ¥â
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;CALL MOVBIOS ; ¤à¥á ¨¦¥ #C000 ¨ ¢áâ ¢«ï¥â ¢ âà¥âìî ¡ ªã áâà ¨æã #FE
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;LD A,R
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IN A,(SLOT3)
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EX AF,AF'
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LD A,SYS_PAGE
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OUT (SLOT3),A
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LDIR
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EX AF,AF'
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OUT (SLOT3),A
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;JP PO,.skip_EI
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;EI
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.skip_EI: POP DE
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LD IX,#FEE0 ;!HARDCODE £àï§ë© å ª.
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;LD HL,#0000
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LD C,BIOS.WIN_OPEN
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RST ToBIOS
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SAFE_PORTY ;????? - ¢®§¬®¦®, ç⮠⥯¥àì ¥ 㦮, ¢¥§¤¥ á ¡ ª®© 3 à ¡®â îâ, ¯à®¢¥à¨âì
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XOR A
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RET
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; MOVBIOS: LD A,R
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; IN A,(SLOT3)
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; EX AF,AF'
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; LD A,SYS_PAGE
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; OUT (SLOT3),A
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; LDIR
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; EX AF,AF'
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; OUT (SLOT3),A
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; RET PO
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; EI
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; RET
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;IX+0 ;HORIZONTAL
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;IX+1 ;VERTICAL
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;IX+2 ;X - COORD
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;IX+3 ;Y - COORD
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;IX+4 ;MODE
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;IX+5 ;EXT MODE
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;IX+6 ;VIDEO RAM X OFFSET (SIGNPLACES)
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;IX+7 ;VIDEO RAM Y OFFSET (SIGNPLACES)
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;
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;.......................................................................
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ScreenDescriptorTable EQU $
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;80x32
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TAB_80x32 DB #28,#20,#00,#00,#1B,#00,#00,#00 ;1
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;40x32
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TAB_40x32 DB #28,#20,#00,#00,#3B,#00,#00,#00 ;2
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;640x256 PAGE 0
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TAB_640x256_0 DB #28,#20,#00,#00,#00,#00,#00,#00 ;3
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;320x256 PAGE 0
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TAB_320x256_0 DB #28,#20,#00,#00,#20,#00,#00,#00 ;4
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;640x256 PAGE 1
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TAB_640x256_1 DB #28,#20,#00,#00,#40,#00,#28,#00 ;5
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;320x256 PAGE 1
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TAB_320x256_1 DB #28,#20,#00,#00,#60,#00,#28,#00 ;6
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ScreenDescriptorTable.Size EQU ($ - ScreenDescriptorTable)/6
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;.......................................................................
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;
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SAVETXT PUSH AF
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;;!!!!! ¯¥à¥¥á¥ «®£¨ª áã¯¥à ¤¨ç ©è¥£® ã᪮२ï
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LD A,(VMODE)
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BIT 7,A
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JR NZ,NOSAVET
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SUB #02
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JR C,NOSAVET
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;;
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PUSH BC
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PUSH DE
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PUSH HL
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PUSH IX
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PUSH AF
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LD C,BIOS.LP_GET_PLACE
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RST ToBIOS
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LD (TCURS),DE
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POP AF
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LD IX,#C000
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LD HL,#2050
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OR A
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JR NZ,SVTEXT1
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LD L,#28
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SVTEXT1 LD (SVHL1),HL
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LD DE,#0000
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EX AF,AF' ;R03
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LD A,(BANKTBL+TXTPAGE)
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LD B,A ;!TEST
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EX AF,AF' ;R03
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LD C,BIOS.WIN_COPY
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XOR A
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DI
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RST ToBIOS
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EI
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POP IX
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POP HL
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POP DE
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POP BC
|
||
NOSAVET: POP AF
|
||
RET
|
||
|
||
BACKTXT PUSH AF
|
||
VVMODE+1:
|
||
LD A,#00
|
||
BIT 7,A
|
||
JR Z,NOBACKT
|
||
|
||
PUSH BC
|
||
PUSH DE
|
||
PUSH HL
|
||
PUSH IX
|
||
LD IX,#C000
|
||
SVHL1+1:
|
||
LD HL,#2050
|
||
LD DE,#0000
|
||
EX AF,AF' ;R03
|
||
LD A,(BANKTBL+TXTPAGE)
|
||
LD B,A ;!TEST
|
||
EX AF,AF' ;R03
|
||
LD C,BIOS.WIN_RESTORE
|
||
XOR A
|
||
DI
|
||
RST ToBIOS
|
||
EI
|
||
TCURS+1:
|
||
LD DE,#0000
|
||
LD C,BIOS.LP_SET_PLACE
|
||
RST ToBIOS
|
||
POP IX
|
||
POP HL
|
||
POP DE
|
||
POP BC
|
||
NOBACKT: POP AF
|
||
RET
|
||
|
||
; SEND A SYMBOL TO THE PRINTER
|
||
;==============================
|
||
; A - SYMBOL
|
||
;!FIXIT § ¬¥¨âì sp2000.inc
|
||
LPT_A EQU #1B
|
||
LPT_B EQU #1C
|
||
|
||
PRINT: AND A
|
||
LD B,A
|
||
LD A,R
|
||
LD A,B
|
||
DI
|
||
PUSH AF
|
||
XOR A
|
||
OUT (LPT_A),A
|
||
LD A,#10
|
||
OUT (LPT_A),A
|
||
XOR A
|
||
OUT (LPT_A),A
|
||
IN A,(LPT_A) ; IN (1Bh): bit 5 - busy, Bit 3 - Ack
|
||
;ld c,a ; ‘€‰Œ€<C592>
|
||
BIT 5,A ; IN (19h): bit 5 - Paper Enable, Bit 3 - Select
|
||
JR NZ,LPTBUSY
|
||
;and %11011000 ; ‘€‰Œ€<C592>
|
||
;jr z,LPTBUSY ; ‘€‰Œ€<C592>
|
||
LD A,B
|
||
OUT (LPT_B),A
|
||
POP AF
|
||
RET PO
|
||
EI
|
||
RET
|
||
LPTBUSY:
|
||
POP AF
|
||
;ld a,c ; ‘€‰Œ€<C592>
|
||
SCF
|
||
RET PO
|
||
EI
|
||
RET
|
||
|
||
; B - SYMBOL
|
||
; CF = 1 - PRINTER BUSY
|
||
;!FIXIT § ¬¥¨âì sp2000.inc
|
||
LPT1_C EQU #1D
|
||
LPT2_D EQU #1E
|
||
LPT2_C EQU #1F
|
||
PRINT_INIT:
|
||
DI
|
||
LD A,#CF ; port #1F ⮫쪮 ç¥p¥§ LD BC,1F : Out (BC),reg (¢ «ìâ¥à¥ ¨¤ñâ ¯¥à¥å¢ â í⮣® ¯®àâ ¯à®æ , ¥á«¨ ® ¢ ª®¬ ¤¥  㪠§ )
|
||
LD BC,LPT2_C
|
||
OUT (C),A
|
||
LD A,#63
|
||
OUT (C),A
|
||
LD A,#C0 ; Bit 7 - Select (1), Bit 6 - Auto_Line_Feed (1)
|
||
OUT (LPT2_D),A
|
||
LD A,#0F ; Init printer port for Out
|
||
OUT (LPT1_C),A
|
||
|
||
; ‘€‰Œ€<C592> ‚›<E2809A>…‡€‹
|
||
XOR A ;LD A,0
|
||
OUT (COM_A),A
|
||
;LD A,0
|
||
OUT (COM_A),A ; ????? ¤® «¨ ¢â®à®© à § § ááë« âì ¨ ¢®®¡é¥ ¨¬¥¥â «¨ á¬ëá« com ¨¨â¨âì?
|
||
LD A,5
|
||
OUT (COM_A),A
|
||
LD A,#62 ; bit 7 - Direction for Bufer (0), Bit 1 - Bufer Enable (1)
|
||
OUT (COM_A),A
|
||
RET
|
||
; ‘€‰Œ€<C592> ‚›<E2809A>…‡€‹
|
||
|
||
;//MODULE: VIDEO
|
||
;[END]
|