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INT_SP_Txt_C.cpp
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/*****************************************************************************
System Name : TVoutColor_NTSC
File Name : INT_SP_Txt_C.cpp
Content :
Version : 0.0
CPU board : Arduino UNO/Duemilanove
Compiler : Arduino 1.0.4
History : 2013/10/04
*****************************************************************************/
/*----------------------------------------------------------------------------
; Copyright (C) 2013 Masami Watanabe
;
; This program is free software; you can redistribute it and/or modify it
; under the terms of the GNU General Public License as published by the Free
; Software Foundation; either version 3 of the License, or (at your option)
; any later version.
;
; This program is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
; for more details.
;
; You should have received a copy of the GNU General Public License along
; with this program. If not, see <http://www.gnu.org/licenses/>.
;---------------------------------------------------------------------------*/
;/*=========================================================================*/
;/* Includes */
;/*=========================================================================*/
#include "defSYS.h"
#include "defINT.h"
;/*==========================================================================*/
;/* Program */
;/*==========================================================================*/
/*----- Memo ------------------------------------------------------------------
●C言語から呼び出されるアセンブラ関数
r0/r18-25/X/Z 自由に使用可能
ZH :R31
ZL :R30
XH :R27
XL :R26
r2-17/Y(r1) 変更する時は保存、復帰
●引数の渡し方
r8～r25が使用される。レジスタ2個ずつセットになっていて9セット使える。
大きな番号のレジスタペアから順番に使われる。
ZH :R31 IJM時の飛び先間接指定
ZL :R30
-----------------------------------------------------------------------
rjmp 2byte 2cycle jump enable -> PC -2047WORD/PC +2048WORD
jmp 4byte 3cycle jump enable -> 128kbyte
r0 MUL result low
r1 MUL result high
r18 H-Sync [0](-40IRE) COLBST0 [7](0IRE) COL_xx0
r19 COLBST1 [3](-20IRE) COL_xx1
r20 COLBST2 [7](0IRE) COL_xx2
r21 COLBST3 [11](+20IRE) COL_xx3
r22 work loop counter
r23 0IRE 7 Color Black
r24 argument %2 Select Color
r25 argument %1 Display Mode 0:out, 1:in Frame, 2:V-sync
r26(XL) argument %0L
r27(XH) argument %0H
r30 ZL
r31 ZH
----------------------------------------------------------------------------*/
#include "defColor.h"
void CINT::SP_Txt_C( UH AddrGRP, UB Mode, UB Color )
{
__asm__ __volatile(
"mov r24,%2\n\t" // r24:select color |
"mov r25,%1\n\t" // |
"cpi r25,2\n\t" // V-sync timing? 1cycle |
"brne NEXT\n\t" // if not V-sync 1cycle/2cycle |
"jmp EXIT3\n\t" // now V-sync
"NEXT:"
"ldi r18,7\n\t" // COLBST0 |
"out 0x08,r18\n\t" // 0IRE | 1
"ldi r19,3\n\t" // COLBST1 | 2
"ldi r20,7\n\t" // COLBST2 | 3
"ldi r21,11\n\t" // COLBST3 | 4
"push r1\n\t" // | 5
"push r16\n\t" // | 6
"push r17\n\t" // | 7
"ldi r30,5\n\t" // select table 5data number(WORD) | 8
"mul r24,r30\n\t" // | 9,10
"mov r30,r0\n\t" // r30(ZL) <- r0 result low | 11
"mov r31,r1\n\t" // r31(ZH) <- r1 result high | 12
"addr_top = . +186\n\t"
"ldi r16,lo8(addr_top)\n\t" // 2byte 1cycle 1,2 | 13
"ldi r17,hi8(addr_top)\n\t" // 2byte 1cycle 3,4 | 14
"lsr r17\n\t" // 2byte 1cycle 5,6 | 15
"ror r16\n\t" // 2byte 1cycle 7,8 | 16
"add r30,r16\n\t" // 2byte 1cycle 9,19 | 17
"adc r31,r17\n\t" // 2byte 1cycle 11,12 | 18
OutBurst // No.1 Color Burst --
OutBurst // No.2 --
OutBurst // No.3 --
OutBurst // No.4 --
OutBurst // No.5 --
OutBurst // No.6 --
OutBurst // No.7 --
OutBurst // No.8 --
OutBurst // No.9 --
"out 0x08,r18\n\t" // 0IRE | 1
"ldi r22,6\n\t" // | 2
"BP_LOOP:" // for Back Porch delay
"dec r22\n\t" // 1cycle ||
"brne BP_LOOP\n\t" // 1/2 (1+2)*5+(1+1)=17 || 19
"ldi r23,7\n\t" // 7:0IRE | 20
"cpi r25,0\n\t" // r25:Mode 1cycle | 21
"brne DISP\n\t" //if display frame 1cycle/2cycle | 22/23
"jmp EXIT\n\t" //out of frame then exit
"DISP:"
"nop \n\t" // | 24
OutBlack // | 25
OutBlack
OutBlack
OutBlack
OutBlack
OutBlack
OutBlack
OutBlack
OutBlack
OutBlack
"ijmp\n\t" // 2byte 2cycle 13,14 1,2
"SELECT_COLOR:"
SetColWhi // 4 8byte 3,4,5,6,
"rjmp EX_SCOLOR\n\t" // 2 2byte 7,8
SetColGrn // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColBlu // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColMag // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColCyn // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColYel // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColBlk // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
/*
SetColRed // 4 8byte 3,4,5,6,
"rjmp EX_SCOLOR\n\t" // 2 2byte 7,8
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
SetColRed // 4 8byte
"rjmp EX_SCOLOR\n\t" // 2 2byte
*/
"EX_SCOLOR:"
"ldi r22,13\n\t" // 1 (COL_MAX+1)とすること 9
"ldi r24,22\n\t" // 1 select table xdata number(WORD) 10
"nop \n\t" // 1 11
"LOOP_OUTPUT:"
"dec r22\n\t" // 1 12 4
"brne OUTPUT_SIG\n\t" // 1/2 13,14 5,6
"jmp EX_LOOP_OUTPUT\n\t"
"OUTPUT_SIG:"
"ld r0,x+\n\t" // 2 ! 15,16 7,8
"mul r0,r24\n\t" // 2 17,18 9,10
"mov r30,r0\n\t" // r30(ZL) <- r0 result low 1 19 11
"mov r31,r1\n\t" // r31(ZH) <- r1 result high 1 20 12
"addr_top = . +14\n\t"
"ldi r16,lo8(addr_top)\n\t" // 2byte 1cycle 1,2 21 13
"ldi r17,hi8(addr_top)\n\t" // 2byte 1cycle 3,4 22 14
"lsr r17\n\t" // 2byte 1cycle 5,6 23 15
"ror r16\n\t" // 2byte 1cycle 7,8 24 16
"add r30,r16\n\t" // 2byte 1cycle 9,19 25 17
"adc r31,r17\n\t" // 2byte 1cycle 11,12 26 18
"ijmp\n\t" // 2byte 2cycle 13,14 27,28 19,20
"DATA0:" // (8byte*5+2byte+2byte)/2=22
OutBlack // 4 8byte
OutBlack // 4 8byte
OutBlack // 4 8byte
OutBlack // 4 8byte
OutBlack // 4 8byte
"out 0x08,r23\n\t" // 1 2byte 0IRE 1
"rjmp LOOP_OUTPUT\n\t" // 2 2byte 2,3
"DATA1:"
OutBlack
OutBlack
OutBlack
OutBlack
OutPixel
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA2:"
OutBlack
OutBlack
OutBlack
OutPixel
OutBlack
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA3:"
OutBlack
OutBlack
OutBlack
OutPixel
OutPixel
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA4:"
OutBlack
OutBlack
OutPixel
OutBlack
OutBlack
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA5:"
OutB
OutB
OutP
OutB
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA6:"
OutB
OutB
OutP
OutP
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA7:"
OutB
OutB
OutP
OutP
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA8:"
OutB
OutP
OutB
OutB
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA9:"
OutB
OutP
OutB
OutB
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA10:"
OutB
OutP
OutB
OutP
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA11:"
OutB
OutP
OutB
OutP
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA12:"
OutB
OutP
OutP
OutB
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA13:"
OutB
OutP
OutP
OutB
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA14:"
OutB
OutP
OutP
OutP
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA15:"
OutB
OutP
OutP
OutP
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA16:"
OutPixel
OutBlack
OutBlack
OutBlack
OutBlack
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA17:"
OutPixel
OutBlack
OutBlack
OutBlack
OutPixel
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA18:"
OutPixel
OutBlack
OutBlack
OutPixel
OutBlack
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA19:"
OutPixel
OutBlack
OutBlack
OutPixel
OutPixel
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA20:"
OutPixel
OutBlack
OutPixel
OutBlack
OutBlack
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA21:"
OutP
OutB
OutP
OutB
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA22:"
OutP
OutB
OutP
OutP
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA23:"
OutP
OutB
OutP
OutP
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA24:"
OutP
OutP
OutB
OutB
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA25:"
OutP
OutP
OutB
OutB
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA26:"
OutP
OutP
OutB
OutP
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA27:"
OutP
OutP
OutB
OutP
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA28:"
OutP
OutP
OutP
OutB
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA29:"
OutP
OutP
OutP
OutB
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA30:"
OutP
OutP
OutP
OutP
OutB
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"DATA31:"
OutP
OutP
OutP
OutP
OutP
"out 0x08,r23\n\t"
"rjmp LOOP_OUTPUT\n\t"
"EX_LOOP_OUTPUT:"
"EXIT:"
"pop r17\n\t"
"pop r16\n\t"
"pop r1\n\t"
"EXIT2:"
"out 0x08,r23\n\t" // 0IRE
"EXIT3:"
:
: "x"(AddrGRP) ,"r"(Mode) ,"r"(Color)
:
);
}