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(uxnemu) Clear debugger on toggle

This commit is contained in:
neauoire 2021-12-19 12:20:13 -08:00
parent 972d2a494b
commit c4d9e52fd6
3 changed files with 19 additions and 7 deletions
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14
src/devices/ppu.c
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@ -38,7 +38,7 @@ static Uint8 font[][8] = {
{0x00, 0x7c, 0x82, 0x80, 0xf0, 0x80, 0x80, 0x80}};
void
ppu_set_size(Ppu *p, Uint16 width, Uint16 height)
ppu_resize(Ppu *p, Uint16 width, Uint16 height)
{
Uint8 *pixels;
if(!(pixels = realloc(p->pixels, width * height / 2)))
@ -49,11 +49,19 @@ ppu_set_size(Ppu *p, Uint16 width, Uint16 height)
p->height = height;
}
void
ppu_clear(Ppu *p, Uint8 mask)
{
Uint32 i, size = p->width * p->height / 2;
for(i = 0; i < size; ++i)
p->pixels[i] &= mask;
}
Uint8
ppu_read(Ppu *p, Uint16 x, Uint16 y)
{
if(x < p->width && y < p->height) {
Uint32 row = (x + y * p->width) / 0x2;
Uint32 row = (x + y * p->width) / 2;
Uint8 shift = !(x & 0x1) << 2;
Uint8 pix = p->pixels[row] >> shift;
if(pix & 0x0c)
@ -67,7 +75,7 @@ void
ppu_write(Ppu *p, Uint8 layer, Uint16 x, Uint16 y, Uint8 color)
{
if(x < p->width && y < p->height) {
Uint32 row = (x + y * p->width) / 0x2;
Uint32 row = (x + y * p->width) / 2;
Uint8 shift = (!(x & 0x1) << 2) + (layer << 1);
Uint8 pix = p->pixels[row];
Uint8 mask = ~(0x3 << shift);

8
src/devices/ppu.h
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@ -14,6 +14,10 @@ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE.
*/
#define CLEAR_BG 0xcc
#define CLEAR_FG 0x33
#define CLEAR_BOTH 0x00
typedef unsigned char Uint8;
typedef unsigned short Uint16;
typedef unsigned int Uint32;
@ -23,10 +27,10 @@ typedef struct Ppu {
Uint16 width, height;
} Ppu;
void ppu_set_size(Ppu *p, Uint16 width, Uint16 height);
void ppu_resize(Ppu *p, Uint16 width, Uint16 height);
void ppu_clear(Ppu *p, Uint8 layer);
Uint8 ppu_read(Ppu *p, Uint16 x, Uint16 y);
void ppu_write(Ppu *p, Uint8 layer, Uint16 x, Uint16 y, Uint8 color);
void ppu_frame(Ppu *p);
void ppu_1bpp(Ppu *p, Uint8 layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);
void ppu_2bpp(Ppu *p, Uint8 layer, Uint16 x, Uint16 y, Uint8 *sprite, Uint8 color, Uint8 flipx, Uint8 flipy);
void ppu_debug(Ppu *p, Uint8 *stack, Uint8 wptr, Uint8 rptr, Uint8 *memory);

4
src/uxnemu.c
View File

@ -127,7 +127,7 @@ set_zoom(Uint8 scale)
static int
set_size(Uint16 width, Uint16 height, int is_resize)
{
ppu_set_size(&ppu, width, height);
ppu_resize(&ppu, width, height);
gRect.x = PAD;
gRect.y = PAD;
gRect.w = ppu.width;
@ -487,7 +487,7 @@ doctrl(Uxn *u, SDL_Event *event, int z)
case SDLK_LEFT: flag = 0x40; break;
case SDLK_RIGHT: flag = 0x80; break;
case SDLK_F1: if(z) set_zoom(zoom > 2 ? 1 : zoom + 1); break;
case SDLK_F2: if(z) devsystem->dat[0xe] = !devsystem->dat[0xe]; break;
case SDLK_F2: if(z) devsystem->dat[0xe] = !devsystem->dat[0xe]; ppu_clear(&ppu, CLEAR_FG); break;
case SDLK_F3: if(z) capture_screen(); break;
case SDLK_AC_BACK:
case SDLK_F4: if(z) restart(u); break;