main()
{
uchar i;
struct sp1_ss *s;
struct sprentry *se;
void *temp;
#asm
di
#endasm
// Initialize MALLOC.LIB
heap = 0L; // heap is empty
sbrk(40000, 5000); // add 40000-44999 to malloc
// Set 512x192 Video Mode
memset(16384, 0, 6144); // clear both halves of the display file before switching video mode
memset(24576, 0, 6144);
ts_vmod(PAPER_BLACK | VMOD_HIRES); // select 64-col mode with black background
// Initialize SP1.LIB
sp1_Initialize(SP1_IFLAG_MAKE_ROTTBL | SP1_IFLAG_OVERWRITE_TILES | SP1_IFLAG_OVERWRITE_DFILE, ' ');
sp1_TileEntry(' ', hash); // redefine graphic associated with space character
sp1_Invalidate(&cr); // invalidate entire screen so that it is all initially drawn
sp1_UpdateNow(); // draw screen area managed by sp1 now
// Create Ten Masked Software-Rotated Sprites
for (i=0; i!=10; i++) {
s = sprtbl[i].s = sp1_CreateSpr(SP1_DRAW_XOR2LB, SP1_TYPE_2BYTE, 3, 0, i);
sp1_AddColSpr(s, SP1_DRAW_XOR2, 0, 48, i);
sp1_AddColSpr(s, SP1_DRAW_XOR2RB, 0, 0, i);
sp1_MoveSprAbs(s, &cr, gr_window, 10, 14, 0, 4);
};
while (1) { // main loop
sp1_UpdateNow(); // draw screen now
for (i=0; i!=10; i++) { // move all sprites
se = &sprtbl[i];
sp1_MoveSprRel(se->s, &cr, 0, 0, 0, se->dy, se->dx);
if (se->s->row > 21) // if sprite went off screen, reverse direction
se->dy = - se->dy;
if (se->s->col > 61) // notice if coord moves less than 0, it becomes
se->dx = - se->dx; // 255 which is also caught by these cases
}
} // end main loop
}
main()
{
uchar i;
struct sp1_ss *s;
struct sprentry *se;
void *temp;
#asm
di
#endasm
// Initialize MALLOC.LIB
heap = 0L; // heap is empty
sbrk(40000, 5000); // add 40000-44999 to malloc
// Set 512x192 Video Mode
memset(16384, 0, 6144); // clear both halves of the display file before switching video mode
memset(24576, 0, 6144);
ts_vmod(PAPER_BLACK | VMOD_HIRES); // select 64-col mode with black background
// Initialize SP1.LIB
sp1_Initialize(SP1_IFLAG_MAKE_ROTTBL | SP1_IFLAG_OVERWRITE_TILES | SP1_IFLAG_OVERWRITE_DFILE, ' ');
sp1_TileEntry(' ', hash); // redefine graphic associated with space character
sp1_TileEntry('H', horline); // 'H' will be the horizontal line graphic
sp1_TileEntry('V', verline); // 'V' will be the vertical line graphic
sp1_TileEntry('C', intline); // 'C' will be the intersection graphic
// Print a Tic-Tac-Toe Pattern
for (i=0; i!=64; ++i) // draw the two horizontal lines in tic-tac-toe pattern
{
sp1_PrintAt( 7, i, 'H');
sp1_PrintAt(16, i, 'H');
}
for (i=0; i!=24; ++i) // draw the two vertical lines in tic-tac-toe pattern
{
sp1_PrintAt(i, 20, 'V');
sp1_PrintAt(i, 42, 'V');
}
sp1_PrintAt( 7, 20, 'C'); // where the lines intersect
sp1_PrintAt( 7, 42, 'C'); // print the intersection graphic
sp1_PrintAt(16, 20, 'C');
sp1_PrintAt(16, 42, 'C');
// Create Four Rectangles that Cover the Four Tic-Tac-Toe Lines
sr1.row = 7; sr1.col = 0; sr1.width = 64; sr1.height = 1; // top horizontal line
sr2.row = 16; sr2.col = 0; sr2.width = 64; sr2.height = 1; // bottom horizontal line
sr3.row = 0; sr3.col = 20, sr3.width = 1; sr3.height = 24; // leftmost vertical line
sr4.row = 0; sr4.col = 42, sr4.width = 1; sr4.height = 24; // rightmost vertical line
sp1_Invalidate(&cr); // invalidate entire screen so that it is all initially drawn
sp1_UpdateNow(); // draw screen area managed by sp1 now
// Create Ten Masked Software-Rotated Sprites
for (i=0; i!=10; i++)
{
s = sprtbl[i].s = sp1_CreateSpr(SP1_DRAW_MASK2LB, SP1_TYPE_2BYTE, 3, 0, i);
sp1_AddColSpr(s, SP1_DRAW_MASK2, 0, 48, i);
sp1_AddColSpr(s, SP1_DRAW_MASK2RB, 0, 0, i);
sp1_MoveSprAbs(s, &cr, gr_window, 10, 14, 0, 4);
};
while (1) { // main loop
sp1_Validate(&sr1); // validate areas so that they are not drawn
sp1_Validate(&sr2);
sp1_Validate(&sr3);
sp1_Validate(&sr4);
sp1_UpdateNow(); // draw screen now
for (i=0; i!=10; i++) { // move all sprites
se = &sprtbl[i];
sp1_MoveSprRel(se->s, &cr, 0, 0, 0, se->dy, se->dx);
if (se->s->row > 21) // if sprite went off screen, reverse direction
se->dy = - se->dy;
if (se->s->col > 61) // notice if coord moves less than 0, it becomes
se->dx = - se->dx; // 255 which is also caught by these cases
}
} // end main loop
}
