6502/kickc
1
0
Fork 0
mirror of https://gitlab.com/camelot/kickc.git synced 2024-11-22 16:33:48 +00:00
Code Issues Projects Releases Wiki Activity

Added a naive double sine xy-plotter.

Browse Source
This commit is contained in:
jespergravgaard 2021-04-04 19:10:47 +02:00
parent ce41782240
commit 1d5afcdf68
1 changed files with 2 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/test/kc/examples/mega65/yplotter.c → src/test/kc/examples/mega65/sine-plotter.c
View File

@ -54,15 +54,13 @@ void main() {
VICIV->CONTROLB |= VICIV_FAST;
VICIV->CONTROLC |= VICIV_VFAST;
graphics_mode();
// Initialize plotter
init_plot();
// Main loop
for(;;) {
// Wait for the raster
while(VICIV->RASTER!=0xe3) ;
// White border and background
VICIV->BORDER_COLOR = RED;
// Switch buffer
buffer ^=1;
// Select charset
@ -77,14 +75,10 @@ void main() {
VICIV->CHARPTR_HILO = 0;
graphics_render = GRAPHICS1;
}
// Clear the graphics
memset_dma(graphics_render, 0x00, 40*25*8);
VICIV->BORDER_COLOR = WHITE;
// Render some dots
render_dots();
// Black border and background
VICIV->BORDER_COLOR = BLUE;
}
}
@ -156,7 +150,7 @@ char SINY2[SINY2_SIZE+256] = kickasm {{
const unsigned int SINX1_SIZE = 1613;
unsigned int SINX1[SINX1_SIZE+256] = kickasm {{
.fillword 1613+256, round(99.5+99.5*sin(toRadians(360*i/1613)))
.fillword 1613+256, round(98+98*sin(toRadians(360*i/1613)))
}};
const unsigned int SINX2_SIZE = 547;