1 /*---------------------------------------------------------------------------*
2 Project: TwlSDK - WM - demos - wep-1
3 File: print.c
4
5 Copyright 2006-2008 Nintendo. All rights reserved.
6
7 These coded instructions, statements, and computer programs contain
8 proprietary information of Nintendo of America Inc. and/or Nintendo
9 Company Ltd., and are protected by Federal copyright law. They may
10 not be disclosed to third parties or copied or duplicated in any form,
11 in whole or in part, without the prior written consent of Nintendo.
12
13 $Date:: 2008-09-18#$
14 $Rev: 8573 $
15 $Author: okubata_ryoma $
16 *---------------------------------------------------------------------------*/
17
18 #ifdef SDK_TWL
19 #include <twl.h>
20 #else
21 #include <nitro.h>
22 #endif
23 #include "print.h"
24 #include "wh.h"
25
PR_ClearScreen(PRScreen * scr)26 void PR_ClearScreen(PRScreen * scr)
27 {
28 MI_CpuClear16((void *)scr->screen, PR_SCREEN_SIZE * sizeof(u16));
29 scr->curx = 0;
30 scr->cury = 0;
31 }
32
PR_Locate(PRScreen * scr,int x,int y)33 void PR_Locate(PRScreen * scr, int x, int y)
34 {
35 scr->curx = x;
36 scr->cury = y;
37 }
38
PR_ScrollUp(PRScreen * scr)39 static void PR_ScrollUp(PRScreen * scr)
40 {
41 int y;
42
43 if (!scr->scroll)
44 {
45 PR_ClearScreen(scr);
46 return;
47 }
48
49 for (y = 0; y < PR_SCREEN_HEIGHT - 1; ++y)
50 {
51 MI_CpuCopy16((void *)(scr->screen + (y + 1) * PR_SCREEN_WIDTH),
52 (void *)(scr->screen + y * PR_SCREEN_WIDTH), PR_SCREEN_WIDTH * sizeof(u16));
53 }
54
55 (void)MI_CpuClear16((void *)(scr->screen
56 + (PR_SCREEN_HEIGHT - 1) * PR_SCREEN_WIDTH),
57 PR_SCREEN_WIDTH * sizeof(u16));
58 }
59
PR_PutString(PRScreen * scr,const char * text)60 void PR_PutString(PRScreen * scr, const char *text)
61 {
62 const char *p;
63 u8 pal;
64
65 p = text;
66 pal = 0x0f;
67
68 while (*p != '\0')
69 {
70 if (*p == '\n')
71 {
72 scr->curx = 0;
73 ++scr->cury;
74 if (scr->cury > PR_SCREEN_HEIGHT - 1)
75 {
76 scr->cury = PR_SCREEN_HEIGHT - 1;
77 PR_ScrollUp(scr);
78 }
79 ++p;
80 continue;
81
82 }
83 else if (*p == '\\')
84 {
85 ++p;
86
87 if (('0' <= *p) && (*p <= '9'))
88 {
89 pal = (u8)(*p - '0');
90 ++p;
91
92 }
93 else if (('a' <= *p) && (*p <= 'f'))
94 {
95 pal = (u8)(*p - 'a' + 10);
96 ++p;
97 }
98
99 continue;
100 }
101
102 scr->screen[scr->cury * PR_SCREEN_WIDTH + scr->curx] = (u16)((pal << 12) | (0x0fff & *p));
103 ++p;
104
105 ++scr->curx;
106 if (scr->curx > PR_SCREEN_WIDTH - 1)
107 {
108 scr->curx = 0;
109 ++scr->cury;
110 if (scr->cury > PR_SCREEN_HEIGHT - 1)
111 {
112 scr->cury = PR_SCREEN_HEIGHT - 1;
113 PR_ScrollUp(scr);
114 }
115 }
116 }
117 }
118
PR_VPrintString(PRScreen * scr,const char * fmt,va_list vlist)119 void PR_VPrintString(PRScreen * scr, const char *fmt, va_list vlist)
120 {
121 char buf[256];
122
123 // Will not work if vsnprintf
124 // (void)vsnprintf(buf, 256 - 2, fmt, vlist);
125
126 (void)OS_VSNPrintf(buf, 256 - 2, fmt, vlist);
127 buf[255] = '\0';
128
129 PR_PutString(scr, buf);
130 // OS_Printf("%s", buf);
131 }
132
PR_PrintString(PRScreen * scr,const char * fmt,...)133 void PR_PrintString(PRScreen * scr, const char *fmt, ...)
134 {
135 va_list vlist;
136 va_start(vlist, fmt);
137 PR_VPrintString(scr, fmt, vlist);
138 va_end(vlist);
139 }
140