mirror of
https://github.com/Tolik-Trek/WAV-Player.git
synced 2026-06-15 09:01:35 +03:00
214 lines
2.8 KiB
NASM
214 lines
2.8 KiB
NASM
;***********************************
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/* ; NEW
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VISIO: IN A,(PORT_Y)
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PUSH AF
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;
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LD A,(.ADD_PAR)
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OR A
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LD A,1 ; lines
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JR NZ,.set_lines
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INC A ; lines
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.set_lines: LD (.lines),A
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LD B,A
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LD HL,(SND_A)
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LD (.ADDRESS),HL
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; OR A
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; JR Z,.no_add
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.no_add: LD A,H
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CALL .PUT_DOT
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; ¢ë室
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.exit: POP AF
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OUT (PORT_Y),A
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RET
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; ‚•Ž„: A - áâ à訩 ¡ ©â ¤à¥á SND_A
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; B = (ª®«¨ç¥á⢮ ¯®«®á®ª)/2
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.PUT_DOT: ADD A,A
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;
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AND #7F ; !HARDCODE ¤«¨ ®ª - 128 ¡ ©â®¢
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LD L,A
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LD H,#B0 ; !HARDCODE ¡ãää¥à
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LD BC,7 ; !HARDCODE ᬥ饨¥ ®â ç « à ¬ª¨
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ADD HL,BC
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;
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LD A,(SND_A)
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RLCA
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LD C,A
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ADD HL,BC
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;
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CALL .SET_Y_COLOR
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;
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LD A,#50
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OUT (SLOT3),A
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LD A,(HL) ; old
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LD (.OLD_),A
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LD A,(.NEW_)
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LD (HL),A
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; ¯¥à¥ª«îç ¥¬ ¢ HL ¤à¥á á ¡ãä¥à íªà
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LD A,H
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ADD A,#10
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LD H,A
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;
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LD A,(SND_A)
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RLCA
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JR NC,.no_dec_hl
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INC HL
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.no_dec_hl: ;
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; áâ¥à¥âì ¯® áâ ன ª®®à¤¨ â¥
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; LD A,(.lines)
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; LD B,A
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; LD C,A
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;
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.OLD_+1 : LD A,0
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OUT (PORT_Y),A ; old
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; áâ¥à¥âì
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.clear+1 : LD A,0 ; clear
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.loop_clear: LD (HL),A
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INC L
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LD (HL),A ; áâ¥à¥âì
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; INC L
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; DJNZ .loop_clear
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; DEC L
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; à¨á®¢ âì ¯® ®¢®© ª®®à¤¨ â¥
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; LD B,C
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; DEC L
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; DEC L
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; DEC L
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.loop_draw: ;
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.NEW_+1 : LD A,0
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OUT (PORT_Y),A ; new
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.COLOR_+1 : LD A,#FF
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; à¨á®¢ âì
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LD (HL),A
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DEC L
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LD (HL),A
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; INC L
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;
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; LD A,(.ADDRESS)
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; ADD A,8
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; LD (.ADDRESS),A
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; LD D,B
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; CALL .SET_Y_COLOR
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; ;
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; LD B,D
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; DJNZ .loop_draw
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;
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.no_draw: LD A,CBL.BUFFER_PAGE
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OUT (SLOT3),A
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RET
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;
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;
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.SET_Y_COLOR: ;
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.ADDRESS+1 : LD BC,0
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LD A,(BC)
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RRA
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CPL
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AND #7F
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ADD A,#40
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LD (.COLOR_),A
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INC BC
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LD A,(BC) ; new
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.ADD_PAR+1 : ADD A,0 ; parameter for 8/16 bit
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RRA
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RRA
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AND #3F
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ADD A,#40 ; !HARDCODE Vertical Shift
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LD (.NEW_),A
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;
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LD B,A
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LD A,(MAX_)
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CP B
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RET NC
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LD A,B
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LD (MAX_),A
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RET
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;
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.lines: DB 1 ; 1 = 1, 2 = 2
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*/
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VISIO: IN A,(PORT_Y)
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PUSH AF
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LD A,(SND_A+1)
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ADD A,A
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; ADD A,A
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AND #7F
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LD L,A
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LD H,#B0
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LD BC,7
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ADD HL,BC
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LD BC,(SND_A)
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LD A,(BC)
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RRA
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CPL
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AND #7F
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ADD A,#40
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LD (.COLOR_),A
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INC BC
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LD A,(BC) ; new
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.ADD_PAR+1: ADD A,0 ; parameter for 8/16 bit
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RRA
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RRA
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AND #3F
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ADD A,#40 ; Vertical Shift
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LD (.NEW_),A
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LD B,A
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LD A,(MAX_)
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CP B
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JR NC,.NO_MAX
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LD A,B
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LD (MAX_),A
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.NO_MAX: LD A,#50
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OUT (SLOT3),A
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LD A,(HL) ; old
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LD (.OLD_),A
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LD A,(.NEW_)
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LD (HL),A
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.OLD_+1: LD A,0
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OUT (PORT_Y),A ; old
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LD A,H
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ADD A,#10
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LD H,A
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LD A,0 ; clear
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LD (HL),A
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INC L
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LD (HL),A
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;INC L
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;LD (HL),A
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;INC L
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;LD (HL),A ; áâ¥à¥âì
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.NEW_+1: LD A,0
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OUT (PORT_Y),A ; new
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.COLOR_+1: LD A,#FF
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LD (HL),A
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DEC L
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LD (HL),A
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;DEC L
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;LD (HL),A
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;DEC L
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;LD (HL),A ; à¨á®¢ âì ®¢®¥
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LD A,SP_SND.CBL.BUFFER_PAGE
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OUT (SLOT3),A
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POP AF
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OUT (PORT_Y),A
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RET
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