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Club Amiga de Montreal - CAM
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CAM_CD_1.iso
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262.lha
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BlitLab_v1.4
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initialize.c
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C/C++ Source or Header
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1989-06-29
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6KB
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201 lines
/*
* Initialization module of the blitlab program.
*/
#include "structures.h"
/*
* These are the externals we reference.
*/
extern struct Window *mywindow ;
extern struct GfxBase *GfxBase ;
extern struct IntuitionBase *IntuitionBase ;
extern struct RastPort *myrp ;
extern int custscreen ;
/*
* We use this memory allocator.
*/
extern short *allocmem() ;
/*
* This is the screen we use, if we use a screen. :-)
*/
static char defaulttitle[] =
"<< Radical Eye Software . . . or I won't get dressed >>" ;
static struct Screen *myscreen ;
static struct TextFont *font ;
static struct TextAttr myfont = {
(STRPTR) "topaz.font",
TOPAZ_EIGHTY,
0,
0
};
static struct NewScreen mynewscreen = {
0, /* left edge */
0, /* top edge */
640, /* width */
200, /* height */
2, /* depth (change for color?)*/
1, /* detail pen */
2, /* block pen */
HIRES, /* screen mode */
CUSTOMSCREEN, /* type */
&myfont, /* use default font */
(UBYTE *)defaulttitle, /* title */
NULL, /* initialize this gadget field */
NULL } ; /* no bitmap supplied */
static short colorTable[] = { 0x058f, 0x0fff, 0x0000, 0x0555 } ;
static short pointerTable[] =
{ 0x0000, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0380, 0x0280,
0x0440, 0x0440,
0xFC7E, 0x0000,
0x0440, 0x0440,
0x0380, 0x0280,
0x0100, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0100, 0x0000,
0x0000, 0x0000 } ;
/*
* This is the humongous window we open on the standard
* workbench screen.
*/
static struct NewWindow mynewwindow = {
HWINSTART, VWINSTART, HWINSIZE, VWINSIZE,
-1, -1,
MOUSEBUTTONS | MOUSEMOVE | GADGETDOWN | GADGETUP | CLOSEWINDOW | VANILLAKEY,
WINDOWDEPTH | WINDOWCLOSE | WINDOWDRAG | SMART_REFRESH | REPORTMOUSE
| ACTIVATE | RMBTRAP,
NULL,
NULL,
(UBYTE *)BANNER,
NULL,
NULL,
0, 0, 0, 0,
WBENCHSCREEN } ;
/*
* This is the main initialize routine, which gets everything started
* up.
*/
initialize() {
int i, j ;
/*
* First, we try and open libraries and windows.
*/
if ((IntuitionBase = (struct IntuitionBase *)OpenLibrary(
"intuition.library",0L))==NULL ||
(GfxBase = (struct GfxBase *)OpenLibrary("graphics.library",0L))
==NULL)
error("! Couldn't open libraries") ;
if (custscreen) {
mynewscreen.Width = GfxBase->NormalDisplayColumns ;
mynewscreen.Height = GfxBase->NormalDisplayRows ;
if ((myscreen=OpenScreen(&mynewscreen))==NULL)
error("! Couldn't open screen") ;
LoadRGB4(&(myscreen->ViewPort), colorTable, 4L) ;
mynewwindow.Screen = myscreen ;
mynewwindow.Type = CUSTOMSCREEN ;
}
if ((mywindow=OpenWindow(&mynewwindow))==NULL)
error("! Couldn't open window") ;
makepointer() ;
myrp = mywindow -> RPort ;
if (! custscreen) {
font = OpenFont(&myfont) ;
if (font != NULL)
SetFont(myrp, font) ;
}
allocbitmem() ;
buildgadgets() ;
drawlabels() ;
parseall() ;
/*
* Here we draw the bits array, hopefully for easy reference.
*/
color(BLACK) ;
fbox(HBITSTART, VBITSTART, HBITSIZE, VBITSIZE) ;
color(WHITE) ;
box(HBITSTART, VBITSTART, HBITSIZE, VBITSIZE) ;
color(ORANGE) ;
for (i=1; i<24; i++)
box(HBITSTART + i * 24 - 2, VBITSTART, 2, VBITSIZE) ;
for (i=HBITSTART+4; i<HBITSTART+574; i += 6)
for (j=VBITSTART+3; j<VBITSTART+96; j += 3)
fbox(i, j, 1, 1) ;
color(BLUE) ;
box(HBITSTART, VBITSTART, HBITSIZE, VBITSIZE) ;
for (i=1; i<7; i++)
box(HBITSTART + i * 96 - 2, VBITSTART, 2, VBITSIZE) ;
for (i=1; i<9; i++)
line(HBITSTART, VBITSTART + i * 12, HBITSTART + HBITSIZE - 1,
VBITSTART + i * 12) ;
updatebits() ;
/*
* Now we draw boxes around the blitter register values and user
* settable values.
*/
color(WHITE) ;
box(HRVSTART, VRVSTART, HRVSIZE, VRVSIZE) ;
line(HMVSTART, VRVSTART, HMVSTART, VRVSTART + VRVSIZE - 1) ;
}
/*
* This routine cleans up for exit.
*/
cleanup() {
if (font != NULL)
CloseFont(font) ;
if (mywindow != NULL) {
ClearPointer(mywindow) ;
CloseWindow(mywindow) ;
}
if (myscreen != NULL)
CloseScreen(myscreen) ;
if (GfxBase != NULL)
CloseLibrary(GfxBase) ;
if (IntuitionBase != NULL)
CloseLibrary(IntuitionBase) ;
freemem() ;
exit(0) ;
}
/*
* Pointer routines.
*/
makepointer() {
short *pointer ;
int i ;
pointer = allocmem((long)sizeof(pointerTable), MEMF_CHIP) ;
movmem(pointerTable, pointer, sizeof(pointerTable)) ;
SetPointer(mywindow, pointer, 15L, 15L, -7L, -7L) ;
}
/*
* drawlabels() draws several miscellaneous labels all over the
* screen.
*/
drawlabels() {
drawtext(HLMGSTART+4, VLMG3+2, "Adrs:") ;
drawtext(HLMGSTART+4, VLMG3+10, " M+") ;
drawtext(HLMGSTART+4, VLMG3+18, "Shift:") ;
drawtext(HRVC1 + 12, VRVL6, "Blitter Register Values") ;
drawtext(HRVC7 + 4, VRVLL6+1, "DMA Channels") ;
drawtext(HRVC1, VRVL1, "CON0") ;
drawtext(HRVC1, VRVL2, "CON1") ;
drawtext(HRVC1, VRVL3, "SIZE") ;
drawtext(HRVC1, VRVL4, "AFWM") ;
drawtext(HRVC1, VRVL5, "ALWM") ;
drawtext(HRVC3, VRVL2, "A") ;
drawtext(HRVC3, VRVL3, "B") ;
drawtext(HRVC3, VRVL4, "C") ;
drawtext(HRVC3, VRVL5, "D") ;
drawtext(HRVC4 + 4, VRVL1, "PTH PTL MOD DAT") ;
drawtext(HRVC7, VRVLL2+1, "A") ;
drawtext(HRVC7, VRVLL3+1, "B") ;
drawtext(HRVC7, VRVLL4+1, "C") ;
drawtext(HRVC7, VRVLL5+1, "D") ;
drawtext(HRVC8, VRVLL1, "USE PT MOD DAT SH") ;
}