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Finished(Controller Input): Reading Joypad State

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ed
2026-07-31 15:15:51 -04:00
parent 315e1b2c5e
commit 09dde54030
9 changed files with 210 additions and 74 deletions
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code/hello_joypad/hello_joypad.c
+55 -17
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@@ -13,6 +13,7 @@
#include "duffle/mips.h"
#include "duffle/gp.h"
#include "duffle/gte.h"
#include "duffle/pad.h"
# include "duffle/gen/duffle.macs.h"
# include "duffle/gen/duffle.offsets.h"
@@ -25,6 +26,7 @@
#include "hello_joypad.tape.c"
typedef U4 OrderingTable_Buffer[OrderingTbl_Len];
typedef Array_(OrderingTable_Buffer, 2);
@@ -99,6 +101,7 @@ typedef Struct_(Ent_Floor) {
A2_V3_S2 faces;
};
enum {
Scratchpad_Len = 1024,
MemTape_Len = 512,
@@ -116,11 +119,17 @@ typedef Struct_(SMemory) {
Ent_Cube cube;
Ent_Floor floor;
U4 pad_state;
U4_V scratchpad; // d-cache
};
global SMemory smem;
extern SMemory smem;
#define pad0_signal_(btn_id) smem.pad_state & pad0_(btn_id)
#define pad1_signal_(btn_id) smem.pad_state & pad1_(btn_id)
// TODO(Ed):
FI_ U4* spad_warm(MipsAtom atom) {
return nullptr;
@@ -190,6 +199,31 @@ void render(void) {
GCC_OPTIMIZATION_DISABLE
void update(PrimitiveArena* pa, U4* ordering_buf)
{
TapeBuilder tb = tb_make(slice_ut_arr(smem.MemTape));
smem.pad_state = pad_read(0);
if (0) // Pad Input
{
if (pad0_signal_(Pad_Left)) {
smem.cube.rot.y += 30;
smem.floor.rot.y += 5;
}
if (pad0_signal_(Pad_Right)) {
smem.cube.rot.y -= 30;
smem.floor.rot.y -= 5;
}
}
if (1) // Pad Input (Tape version)
{
tb.used = 0; tb_scope_run(& tb) {
tb_emit(& tb, pad_input_demo);
tb_data(& tb, smem.pad_state);
tb_data(& tb, u4_(& smem.cube.rot));
tb_data(& tb, u4_(& smem.floor.rot));
}
}
orderingtbl_clear_reverse(ordering_buf, OrderingTbl_Len);
// Update the position based on acceleration and velocity
@@ -213,7 +247,6 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
A2_S2 p; //???
S4 flag; //????
TapeBuilder tb = tb_make(slice_ut_arr(smem.MemTape));
// Draw Cube
if (0)
@@ -285,7 +318,7 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
}
tape_run(tb_slice(tb));
smem.cube.rot.y += 30;
// smem.cube.rot.y += 30;
}
// Draw Floor
if (0)
@@ -376,7 +409,7 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
tape_run(tb_slice(tb));// Fire off the tape.
// C-side state (pa->used) has already been updated by the tape!
smem.floor.rot.y += 5;
// smem.floor.rot.y += 5;
}
// --- TAPE DIAGNOSTICS ---
if (0)
@@ -402,22 +435,27 @@ int main(void)
smem = (SMemory){0};
smem.scratchpad = C_(U4_V, 0x1F800000);
smem.primitives.used = 0;
ent_cube128_init(& smem.cube.verts, & smem.cube.faces); {
Ent_Cube* cube = & smem.cube;
cube->rot = v3s2(0, 0, 0);
// cube->pos = v3s4(0, 0, 900);
cube->scale = v3s4_fp_one();
cube->accel = v3s4(0, 1, 0);
cube->pos = v3s4(0, -400, 1800);
{
ent_cube128_init(& smem.cube.verts, & smem.cube.faces); {
Ent_Cube* cube = & smem.cube;
cube->rot = v3s2(0, 0, 0);
// cube->pos = v3s4(0, 0, 900);
cube->scale = v3s4_fp_one();
cube->accel = v3s4(0, 1, 0);
cube->pos = v3s4(0, -400, 1800);
}
ent_floor_init(& smem.floor.verts, & smem.floor.faces); {
Ent_Floor* floor = & smem.floor;
floor->rot = v3s2(0, 0, 0);
floor->pos = v3s4(0, 450, 1800);
floor->scale = v3s4_fp_one();
}
}
ent_floor_init(& smem.floor.verts, & smem.floor.faces); {
Ent_Floor* floor = & smem.floor;
floor->rot = v3s2(0, 0, 0);
floor->pos = v3s4(0, 450, 1800);
floor->scale = v3s4_fp_one();
{
// gknown gp_screen_init();
gp_screen_init_c11(& smem.screen_buf, & smem.active_buf_id);
pad_init(0);
}
// gknown gp_screen_init();
gp_screen_init_c11(& smem.screen_buf, & smem.active_buf_id);
while (1) {
gknown S4* active_buf_id = & smem.active_buf_id;
gknown U4* ordering_buf = r_(smem.ordering_tbl)[active_buf_id[0]];