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Code Issues Releases Wiki Activity

fixed a bug when using 4014 plot files

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This commit is contained in:
¨Rene Richarz 2019-04-01 19:21:18 +02:00
parent f3cb668638
commit 0799b327d3
8 changed files with 54 additions and 20 deletions
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pltfiles/bostonufo.plt Normal file
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pltfiles/bugss14.plt Normal file
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pltfiles/dafcaf.plt Normal file
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pltfiles/dmerc.tek Executable file
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tek4010
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tek4010.c
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@ -25,6 +25,7 @@
*/
#define DEBUG 0 // print debug info
#define DEBUGMAX 9200 // maximum number of bytes to process in debug mode
#define TODO 8 // for speed reasons, draw multiple objects until screen updates
@ -60,6 +61,7 @@ struct tableEntry {
int count = 0;
static int x0,y0,x2,y2,xh,xl,yh,yl,xy4014;
static int plotPointMode = 0;
static int debugCount = 0;
// mode handles the current state of the emulator:
//
@ -98,6 +100,10 @@ int isInput()
{
int bytesWaiting;
ioctl(getDataPipe[0], FIONREAD, &bytesWaiting);
if (DEBUG) {
debugCount++;
if (debugCount > DEBUGMAX) return 0;
}
return bytesWaiting;
}
@ -377,16 +383,10 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
// this cannot be done in switch(mode) below, because multiple bytes
// can be switched and the current byte must be executed after a mode change
if ((mode == 3) && (tag == 3)) {
// this overwrites the extra data byte of the 4014 for the
// first dark mode coordinates and stores it for further use
mode = 2;
xy4014 = yl;
if (DEBUG) printf("4014 coordinates, overwrite last value\n");
}
if ((mode == 5) && (ch == 29)) {
mode = 1; return;
if (DEBUG) printf("group separator\n");
mode = 1;
return;
}
if (ch == 30) {
if (DEBUG) printf("Starting incremental plot mode (4014)\n");
@ -403,7 +403,25 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
printf("xh=%d,xl=%d,yh=%d,yl=%d\n",xh,xl,yh,yl);
}
if (tag != 0) {
if (tag != 0) {
////////////////////////
if ((mode == 1) && (tag != 1)) mode = 2;
if ((mode == 3) && (tag == 3)) {
// this overwrites the extra data byte of the 4014 for the
// persistent mode ccordinates and stores it for further use
mode = 2;
xy4014 = yl;
if (DEBUG)
printf("4014 coordinates, overwrite last value\n");
}
if ((mode == 2) && (tag != 3)) mode = 3;
if ((mode == 3) && (tag != 1)) mode = 4;
/////////////////////////
if ((mode == 5) && (tag != 1)) mode = 6;
@ -416,23 +434,27 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
printf("4014 coordinates, overwrite last value\n");
}
if ((mode == 6) && (tag != 3)) mode = 7;
if ((mode == 6) && (tag != 3)) mode = 7;
if ((mode == 7) && (tag != 1)) mode = 8;
}
else return;
}
switch (mode) {
case 1: plotPointMode= 0; // normal graphics mode, starting coordinates
case 1: plotPointMode = 0; // normal graphics mode, starting coordinates
yh = 32 * (ch & 31); mode++;
if (DEBUG) printf("setting yh to %d\n", yh);
break;
case 2: yl = (ch & 31); y0 = yh + yl; mode++;
if (DEBUG) printf("setting yl to %d\n", yl);
break;
case 3: xh = 32 * (ch & 31); mode++;
case 3: if (tag == 1) xh = 32 * (ch & 31); mode++;
if (DEBUG) printf("setting xh to %d\n", xh);
break;
case 4: xl = (ch & 31); x0= xh + xl; mode++;
if (DEBUG) printf("***** Moving to (%d,%d)\n",x0,y0);
case 4: xl = (ch & 31); x0= xh + xl; mode++;
if (DEBUG) printf("setting xl to %d\n", xl);
if (DEBUG) printf("******************************************** Moving to (%d,%d)\n",x0,y0);
break;
case 5: if (ch == 29) {
if (DEBUG) printf("setting mode to 1\n");
@ -456,7 +478,7 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
if (DEBUG) printf(">>>>>xl=%d\n",xl);
if (plotPointMode>0.0) {
if (DEBUG) printf("plotting point at %d,%d,todo =%d\n",
if (DEBUG) printf("********************************************** plotting point at %d,%d,todo =%d\n",
x2,y2,todo);
cairo_set_source_rgb(cr, 0, 1, 0);
cairo_move_to(cr, x2, WINDOW_HEIGHT - y2);
@ -475,7 +497,7 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
else {
if (DEBUG) printf("tag=%d,***** Drawing vector to (%d,%d)\n",tag,x2,y2);
if (DEBUG) printf("tag=%d,**************************************** Drawing vector to (%d,%d)\n",tag,x2,y2);
cairo_move_to(cr, x0, WINDOW_HEIGHT - y0);
cairo_line_to(cr, x2, WINDOW_HEIGHT - y2);
cairo_stroke (cr);
@ -500,8 +522,8 @@ void tek4010_draw(cairo_t *cr, cairo_t *cr2, int width, int height, int first)
vectorTable.x2 = x2;
vectorTable.y0 = y0;
vectorTable.y2 = y2;
vectorTable.linewidth = 2;
vectorTable.intensity = 0.8;
vectorTable.linewidth = 3;
vectorTable.intensity = 0.85;
}
showCursor = 0;