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Almathera Ten Pack 3: CDPD 3
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Almathera Ten on Ten - Disc 3: CDPD3.iso
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scope
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051-075
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scopedisk53
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memmometer
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mm3.c
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C/C++ Source or Header
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1995-03-18
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24KB
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737 lines
/* : ai=0 bk=0 ts=8 */
#include "mm.h"
#define REDP 3L /* workbench pen colors for Draw and RectFill */
#define BLKP 2L
#define WHTP 1L
#define BLUP 0L
#define SOK 0x001f /* memory allocation control masks */
#define S1 0x0001
#define S2 0x0002
#define S4 0x0004
#define S8 0x0008
#define SA 0x0010
#define C1 0xfffe
#define C2 0xfffd
#define C4 0xfffb
#define C8 0xfff7
#define CA 0xffef
#define EXTENSION 16L /* allocation request increment */
#define EVENMASK 0x7ffffffe /* used to prevent odd address traps */
#define CLIHEIGHT 200L /* window scaling stuff */
#define SIZEGAD 9L
#define DRAGBAR 10L
#define BORDER 2L
#define WINW 16L /* initial window width */
#define WINH (long)(CLIHEIGHT - SIZEGAD - DRAGBAR) /* initial win height */
#define MINH 81L /* shortest allowable window */
#define MAXH 576L /* longest allowable window */
#define BART 1L /* title bar F text location */
#define BARH (long)(WINH - SIZEGAD - DRAGBAR) /* bar height */
#define BARS (long)(BARH + 1) /* number of memory items to allocate */
#define BARB (long)(BARH + DRAGBAR - 1) /* bottom of mercury column */
#define BARE (long)(BARB + BORDER) /* bar end E text position */
#define BARW (long)(((WINW - (2 * BORDER)) / 3) - 1) /* 3 memfragmometers */
#define LEFT BORDER /* SLOW : since we're syncopated, we */
#define MIDDLE (LEFT + BARW + 1) /* SLOW-FAST : do it going from bar */
#define RIGHT (MIDDLE + BARW + 1) /* FAST :to bar at an irregular pace */
#define RTEXT - 4L /* offset for three char E/F text from left edge */
#define STARTVAL 64L /* start by getting enough storage for a few frags */
/* typedef short BOOL */ /* this is in include/exec/types.h */
struct IntuitionBase *IntuitionBase ;
struct Window *window ;
struct IntuiMessage *message;
/* struct IntuiMessage *GetMsg(); */ /* in functions.h */
struct GfxBase *GfxBase ;
extern void InitProjItems(); /* this stuff is in the mminit section */
extern void InitSetupItems();
extern void InitChipItems();
extern void InitChipAItems();
extern void InitSFItems();
extern void InitSFAItems();
extern void InitFastItems();
extern void InitFastAItems();
extern void InitMenu();
extern void StartMenus();
BOOL p_mode = 0; /* preset frags mode = 0, warps mode = 1 */
long p_rate = 2; /* preset sample interval, secs see menu */
long p_chip = 512; /* preset chip mem size, kbytes see menu */
long p_chipa = 0; /* preset chip mem address, kb see menu */
long p_sf = 512; /* preset slowfast mem size, kb see menu */
long p_sfa = 0x3000; /* preset slowfast mem addr, kb see menu */
long p_fast = 2; /* preset fast mem size, mbytes see menu */
long p_fasta = 2; /* preset fast mem addr, mbytes see menu */
static BOOL mode; /* uninitialized for mode menu */
static long delayval; /* uninitialized for delay menu */
static long cmemsize; /* uninitialized for chip menu */
static long cmembase; /* uninitialized for chipa menu */
static long sfmemsize; /* uninitialized for sf menu */
static long sfmembase; /* uninitialized for sfa menu */
static long fmemsize; /* uninitialized for fast menu */
static long fmembase; /* uninitialized for fasta menu */
static USHORT log ;
static BOOL things_are_cool = TRUE ; /* tells when to close the window */
static BOOL intsig = FALSE ; /* intuition message detector */
static long chip[3], fast[3] ; /* place to keep mem header pointers */
static ULONG *chunkv ; /* demand allocated for frag chunks */
static ULONG *sizev ; /* demand allocated for frag sizes */
static ULONG *csum ; /* a col's height worth of checksums */
static ULONG *oldcsum ; /* same height worth of old checksums */
static USHORT *cell; /* 1 cell per pixel height of mercury */
static long x1, x2 ; /* used to Draw() memometer segments */
static long frags = STARTVAL ; /* # of demand allocated frag items */
static long warps = BARS ; /* # of demand allocated column items */
static long barh = BARH ; /* EVEN #'d height of mercury column */
static long barb = BARB ; /* bottom position of mercury column */
/* struct RastPort *rp ; */ /* wonder why we don't need this... ? */
static struct TextAttr myfont = {
(STRPTR) "topaz.font",
TOPAZ_EIGHTY,
0,
0
};
/* E newsize gadget refresh text */
static char ebuf[4] = " E " ;
static struct IntuiText e_text = {
BLUP, WHTP,
JAM2,
0, BARE,
&myfont,
(UBYTE *)ebuf,
NULL
};
/* F title refresh text */
static char fbuf[4] = " F " ;
static struct IntuiText f_text = {
BLUP, WHTP,
JAM2,
0, BART,
&myfont,
(UBYTE *)fbuf,
&e_text
};
static struct NewWindow newwindow = {
0, /* left edge */
10, /* top edge */
WINW, /* width */
WINH, /* height */
0, /* detail pen */
1, /* block pen */
MENUPICK | NEWSIZE, /* messages */
/* WINDOWDEPTH | WINDOWCLOSE */ /* don't use these gads */
WINDOWDRAG | WINDOWSIZING | SMART_REFRESH, /* add a few gadgets */
NULL, /* no custom gadgets */
NULL, /* default checkmark */
(UBYTE *)"F", /* title */
NULL, /* initialize this! */
NULL, /* use screen bitmap */
WINW, MINH, WINW, MAXH, /* min and max sizes */
WBENCHSCREEN } ; /* use workbench screen */
void initmenus()
{
(void) InitProjItems(); /* Initialize the menu items */
(void) InitSetupItems();
(void) InitChipItems();
(void) InitChipAItems();
(void) InitSFItems();
(void) InitSFAItems();
(void) InitFastItems();
(void) InitFastAItems();
(void) InitMenu();
(void) StartMenus();
}
void handle_MENUPICK( class, code )
unsigned long class;
unsigned int code;
{
unsigned int menunum, itemnum, subnum;
if (code == MENUNULL) return;
menunum = MENUNUM( code );
itemnum = ITEMNUM( code );
subnum = SUBNUM( code );
switch( menunum ) {
case 0:
switch( itemnum ) {
case 0:
WindowToFront(window);
break;
case 1:
WindowToBack(window);
break;
case 2:
things_are_cool = FALSE;
break;
} /* end of switch ( Project itemnum ) */
break;
case 1:
switch( itemnum ) {
case 0:
switch( subnum ) {
case 0:
mode = FALSE ;
break;
case 1:
mode = TRUE ;
break;
/* end of switch ( Mode subnum ) */
}
break;
case 1:
switch( subnum ) {
case 0:
delayval = 36;
break;
case 1:
delayval = 72;
break;
case 2:
delayval = 180;
break;
case 3:
delayval = 360;
break;
/* end of switch ( Freq subnum ) */
}
break;
/* end of switch ( Setup itemnum ) */
}
break;
case 2:
switch( itemnum ) {
case 0:
cmemsize = 0x000000;
break;
case 1:
cmemsize = 0x040000;
break;
case 2:
cmemsize = 0x080000;
break;
case 3:
cmemsize = 0x100000;
break;
case 4:
cmemsize = 0x200000;
break;
}
/* end of switch ( Chip Size itemnum ) */
break;
case 3:
switch( itemnum ) {
case 0:
cmembase = 0x000000;
break;
case 1:
cmembase = 0x040000;
break;
case 2:
cmembase = 0x080000;
break;
case 3:
cmembase = 0x100000;
break;
}
/* end of switch ( Chip Addr itemnum ) */
break;
case 4:
switch( itemnum ) {
case 0:
sfmemsize = 0x000000;
break;
case 1:
sfmemsize = 0x080000;
break;
case 2:
sfmemsize = 0x100000;
break;
case 3:
sfmemsize = 0x180000;
break;
}
/* end of switch ( SF Size itemnum ) */
break;
case 5:
switch( itemnum ) {
case 0:
sfmembase = 0xc00000;
break;
case 1:
sfmembase = 0xc80000;
break;
case 2:
sfmembase = 0xd00000;
break;
case 3:
sfmembase = 0xd80000;
break;
}
/* end of switch ( SF Addr itemnum ) */
break;
case 6:
switch( itemnum ) {
case 0:
fmemsize = 0x000000;
break;
case 1:
fmemsize = 0x080000;
break;
case 2:
fmemsize = 0x100000;
break;
case 3:
fmemsize = 0x200000;
break;
case 4:
fmemsize = 0x400000;
break;
case 5:
fmemsize = 0x600000;
break;
case 6:
fmemsize = 0x800000;
break;
}
/* end of switch ( Fast Size itemnum ) */
break;
case 7:
switch( itemnum ) {
case 0:
fmembase = 0x200000;
break;
case 1:
fmembase = 0x300000;
break;
case 2:
fmembase = 0x400000;
break;
case 3:
fmembase = 0x500000;
break;
case 4:
fmembase = 0x600000;
break;
case 5:
fmembase = 0x700000;
break;
case 6:
fmembase = 0x800000;
break;
case 7:
fmembase = 0x900000;
break;
}
/* end of switch ( Fast Addr itemnum ) */
break;
}
/* end of switch ( menunum ) */
}
void wrack_sploot() /* this subprogram cashes in the chips in bad times */
{
if (log != 0) {
if (log & SA) {
(void) FreeMem(oldcsum, (long)(sizeof(ULONG) * warps)) ;
log = log & CA ;
}
if (log & S8) {
(void) FreeMem(csum, (long)(sizeof(ULONG) * warps)) ;
log = log & C8 ;
}
if (log & S4) {
(void) FreeMem(sizev, (long)(sizeof(long) * frags)) ;
log = log & C4 ;
}
if (log & S2) {
(void) FreeMem(chunkv, (long)(sizeof(long) * frags)) ;
log = log & C2 ;
}
if (log & S1) {
(void) FreeMem(cell, (long)(sizeof(USHORT) * warps)) ;
log = log & C1 ;
}
frags = 0;
warps = 0;
}
}
void handle_NEWSIZE() /* oh rats, the user found the size gadget... */
{
if (barh != window->Height) { /* cash in the old memory allocations */
if (log & SA) {
(void) FreeMem(oldcsum, (long)(sizeof(ULONG) * warps)) ;
log = log & CA ;
}
if (log & S8) {
(void) FreeMem(csum, (long)(sizeof(ULONG) * warps)) ;
log = log & C8 ;
}
if (log & S1) {
(void) FreeMem(cell, (long)(sizeof(USHORT) * warps)) ;
log = log & C1 ;
}
barh = window->Height - SIZEGAD - DRAGBAR ; /* recalculate height */
barb = window->Height - SIZEGAD - 1 ; /* get new bar base position */
warps = barh + 1 ; /* number of storage cells to be reserved */
if ((cell = (USHORT *)AllocMem((long)sizeof(USHORT) * warps,
MEMF_PUBLIC)) != 0L ) log = log | S1;
if ((csum = (ULONG *)AllocMem((long)sizeof(ULONG) * warps,
MEMF_PUBLIC)) != 0L ) log = log | S8;
if ((oldcsum = (ULONG *)AllocMem((long)sizeof(ULONG) * warps,
MEMF_PUBLIC)) != 0L ) log = log | SA;
if (log != SOK) { /* bail out if we didn't get an allocation */
wrack_sploot() ;
things_are_cool = FALSE ; /* tell _main that we're leaving */
}
e_text.TopEdge = barb + BORDER ; /* set the E text position */
}
}
void handle_MESSAGES() {
unsigned long class;
unsigned int code, qual;
/* Wait (1L << window->UserPort->mp_SigBit); this is rediculous! */
while ((message=(struct IntuiMessage *)GetMsg(window->UserPort))
!= 0L) {
class = message->Class ;
code = message->Code ;
qual = message->Qualifier ;
ReplyMsg ;
switch( class ) {
case NEWSIZE:
intsig = TRUE ; /* resize when done here */
break ;
case MENUPICK:
handle_MENUPICK( class, code ) ; /* do menus ASAP */
break ;
}
}
}
void memometer() /* this subprogram draws the bar graphs */
{
long i;
long y;
i = 0 ;
while ((i < barh) && (intsig == FALSE)) {
y = barb - i ;
SetAPen(window->RPort, (long)cell[i]);
Move(window->RPort, x1, y);
Draw(window->RPort, x2, y);
(void) handle_MESSAGES() ; /* go see if the user wants anything */
i++ ;
}
}
void shake() /* this subprogram slings down the mercury column */
{
int i;
for (i = 0; i < barh; i++) {
cell[i] = REDP ;
}
}
void lockout() /* this subprogram renders a whole column in border colors */
{
(void) handle_MESSAGES() ; /* go see if the user wants anything */
SetAPen(window->RPort, WHTP) ; /* set in the border color */
RectFill(window->RPort, x1, (barb - barh + 1), x2, barb) ; /* fill in */
}
void updatewarps( wf, membase, memseg ) /* this subprogram finds changes */
short wf;
long membase, memseg ;
{
register long i ;
register ULONG r ;
register ULONG delta ;
register ULONG *a ;
if (memseg == 0) {
(void) lockout() ;
return ;
}
else (void) shake() ;
delta = (ULONG)(memseg & EVENMASK) ; /* try to avoid odd address trap */
r = (ULONG)(membase & EVENMASK) ; /* prefer wrong address to death */
for (i = 0; i < barh; i++) {
csum[i] = 0 ;
}
for (i = 0; i < barh; i++) {
for (a = (ULONG *)r; a < (ULONG *)(r + delta); a++) {
csum[i] += *a ;
}
if (csum[i] == 0) cell[i] = cell[i] & BLUP ;
if (csum[i] == oldcsum[i]) cell[i] = cell[i] & BLKP ;
oldcsum[i] = csum[i] ;
r += delta ;
}
(void) memometer();
}
void updatescreen( wf, membase, memseg )
short wf;
long membase, memseg;
{
register long size ;
register struct MemHeader *hdr ;
register struct MemChunk *chunk ;
extern struct ExecBase *SysBase ;
register long *which ; /* active memlist chunk pointer */
register long newlimit ; /* number of chunks, incl 1 null chunk, + 1 */
register long newfrags ; /* number of chunks, incl null chunks, + 1 */
long newsize ; /* size of next request for chunkv/sizev memory, + 1 */
int i, j, k, l ;
int length ; /* length is number of chunks to be processed, + 1 */
BOOL cf, nf ; /* cf is "chip flag" nf is "null chunk found" flag */
if (memseg == 0) {
(void) lockout() ;
return;
}
else (void) shake() ;
for (i = 0; i < 3; i++) {
chip[i] = 0;
fast[i] = 0;
}
for (i = 0; i < frags; i++) {
chunkv[i] = 0;
sizev[i] = 0;
}
newfrags = 0 ;
newlimit = 0 ;
nf = FALSE;
Forbid() ;
hdr = (struct MemHeader *) SysBase->MemList.lh_Head ;
while (hdr->mh_Node.ln_Succ) {
if (hdr->mh_Attributes & MEMF_CHIP) {
which = chip ;
cf = TRUE;
}
else {
which = fast ;
cf = FALSE;
}
if (((cf == TRUE) && (wf == 0)) || ((cf == FALSE) && (wf > 0))) {
for (chunk = hdr->mh_First; chunk; chunk = chunk->mc_Next) {
if (which[1] < frags) chunkv[which[1]++] = (unsigned long)chunk ;
size = chunk->mc_Bytes ;
if (which[2] < frags) sizev[which[2]++] = (unsigned long)size;
*which += size ;
if (nf == FALSE) {
newlimit++ ;
if (chunkv[newfrags] == NULL) {
nf = TRUE;
}
}
newfrags++ ;
}
}
hdr = (struct MemHeader *)hdr->mh_Node.ln_Succ ;
}
Permit() ;
length = frags ;
if (newlimit < frags) length = newlimit ;
for (i = 0; i < length; i++) {
chunkv[i] -= membase; /* chunkv is now array offset from base */
sizev[i] += chunkv[i]; /* and sizev is now address of array top */
chunkv[i] = chunkv[i] / memseg; /* this is the number of pixels */
sizev[i] = sizev[i] / memseg; /* and this is the top pixel */
if (chunkv[i] < 0) chunkv[i] = 0 ; /* we do some bounds checking */
if (sizev[i] < 0) sizev[i] = 0 ;
if (chunkv[i] >= barh) chunkv[i] = barh - 1 ;
if (sizev[i] >= barh) sizev[i] = barh - 1 ;
if (sizev[i] - chunkv[i] < 0) sizev[i] = chunkv[i] ;
j = chunkv[i] ; /* from now on it will be less confusing if */
k = sizev[i] ; /* we assign some variables for this stuff */
if (sizev[i] - chunkv[i] == 0) {
cell[j] = cell[j] & BLUP ;
}
else {
for (l = j; l < k; l++) {
cell[l] = cell[l] & BLKP ;
}
}
}
(void) memometer();
newsize = frags ;
while (newsize < newlimit) {
newsize += EXTENSION ;
}
if (newlimit > frags) {
(void) FreeMem(chunkv, (long)(sizeof(long) * frags));
if ((chunkv = (unsigned long *)AllocMem((long)sizeof(long) * newsize,
MEMF_PUBLIC)) == 0L ) {
log = log & C2 ;
}
(void) FreeMem(sizev, (long)(sizeof(long) * frags));
if ((sizev = (unsigned long *)AllocMem((long)sizeof(long) * newsize,
MEMF_PUBLIC)) == 0L ) {
(void) FreeMem(chunkv, (long)(sizeof(long) * newsize));
log = log & C4 ;
}
if (log != SOK) {
wrack_sploot() ;
things_are_cool = FALSE ;
}
else frags = newsize ;
}
}
main() {
int i;
short wf;
long cmemseg;
long sfmemseg;
long fmemseg;
long membase;
long memseg;
long memsize;
log = 0 ;
if ((cell = (USHORT *)AllocMem((long)sizeof(USHORT) * BARS,
MEMF_PUBLIC)) != 0L ) log = log | S1;
if ((chunkv = (ULONG *)AllocMem((long)sizeof(ULONG) * STARTVAL,
MEMF_PUBLIC)) != 0L ) log = log | S2;
if ((sizev = (ULONG *)AllocMem((long)sizeof(ULONG) * STARTVAL,
MEMF_PUBLIC)) != 0L ) log = log | S4;
if ((csum = (ULONG *)AllocMem((long)sizeof(ULONG) * BARS,
MEMF_PUBLIC)) != 0L ) log = log | S8;
if ((oldcsum = (ULONG *)AllocMem((long)sizeof(ULONG) * BARS,
MEMF_PUBLIC)) != 0L ) log = log | SA;
if (log != SOK) {
wrack_sploot() ;
Exit() ;
}
if ((IntuitionBase = (struct IntuitionBase *)OpenLibrary(
"intuition.library",33L)) != NULL &&
(window=OpenWindow(&newwindow)) != NULL) {
if ((GfxBase = (struct GfxBase *)OpenLibrary(
"graphics.library", 0L)) != NULL) {
(void) initmenus();
/* rp = window->RPort ; */
wf = 0;
mode = p_mode ;
delayval = p_rate * 36 ;
cmemsize = p_chip << 10 ;
cmembase = p_chipa << 10 ;
sfmemsize = p_sf << 10 ;
sfmembase = p_sfa << 10 ;
if (p_fast >= 512) fmemsize = p_fast << 10 ;
else fmemsize = p_fast << 20 ;
fmembase = p_fasta << 20 ;
while (things_are_cool == TRUE) {
cmemseg = cmemsize / barh ;
sfmemseg = sfmemsize / barh ;
fmemseg = fmemsize / barh ;
switch ( wf ) {
case 0:
x1 = LEFT ;
membase = cmembase ;
memseg = cmemseg ;
memsize = cmemsize ;
break;
case 1:
x1 = MIDDLE ;
membase = sfmembase ;
memseg = sfmemseg ;
memsize = sfmemsize ;
break;
case 2:
x1 = RIGHT ;
membase = fmembase ;
memseg = fmemseg ;
memsize = fmemsize ;
break;
}
x2 = x1 + BARW ;
if (mode == TRUE) {
(void) updatewarps( wf, membase, memseg ) ;
}
if (mode == FALSE) {
(void) updatescreen( wf, membase, memseg ) ;
}
if (intsig == TRUE) {
handle_NEWSIZE() ;
intsig = FALSE ;
}
if (wf == 2) {
PrintIText(window->RPort,&f_text,RTEXT,0L) ;
Delay(delayval) ;
}
wf++ ;
if (wf >= 3) wf = 0 ;
} /* end of while ( things_are_cool) */
wrack_sploot() ;
}
if (GfxBase) CloseLibrary(GfxBase) ;
}
if (window) CloseWindow(window) ;
if (IntuitionBase) CloseLibrary(IntuitionBase) ;
}
_cli_parse() {}
_wb_parse() {}