diff options
| -rw-r--r-- | ports/doom | 79 |
1 files changed, 75 insertions, 4 deletions
@@ -14,22 +14,57 @@ fetch() { curl -A "Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Firefox/81.0" -LO https://assets.wad-archive.com/wadarchive/files/1437fc1ac25a17d5b3cef4c9d2f74e40cae3d231/DOOM1.WAD cat <<\EOF > doomgeneric_camellia.c -#include <string.h> #include <camellia/syscalls.h> +#include <shared/container/ring.h> +#include <stdbool.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <user/lib/draw/draw.h> +#include <user/lib/thread.h> #include "doomgeneric.h" +#include "doomkeys.h" + +static struct framebuf fb; +static handle_t kb; -struct framebuf fb; +static const char keymap_lower[] = { + '\0', '\0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\b', '\t', + 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\r', '\0', 'a', 's', + 'd', 'f', 'g', 'h', 'j', 'k', 'l', '\0', '\'', '`', '\0', '\\', 'z', 'x', 'c', 'v', + 'b', 'n', 'm', ',', '.', '/', '\0', '*', '\0', ' ', '\0', '\0', '\0', '\0', '\0', '\0', + '\0', '\0', '\0', '\0', '\0', '\0', '\0', '7', '8', '9', '-', '4', '5', '6', '+', '1', + '2', '3', '0', '.', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', + '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', + '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', +}; + +static char kb_backbuf[256]; +static ring_t kb_backlog = {kb_backbuf, sizeof kb_backbuf, 0, 0}; + +static void kb_thread(void *arg) { + (void)arg; + char buf[sizeof kb_backbuf]; + for (;;) { + int ret = _syscall_read(kb, buf, sizeof buf, 0); + if (ret <= 0) break; + ring_put(&kb_backlog, buf, ret); + } +} void DG_Init(void) { if (fb_setup(&fb, "/kdev/video/") < 0) { puts("DG_Init: fb_setup error"); abort(); } + kb = _syscall_open("/kdev/ps2/kb", 12, 0); + if (kb < 0) { + puts("DG_Init: can't open keyboard"); + abort(); + } + thread_create(0, kb_thread, NULL); } void DG_DrawFrame(void) { @@ -57,8 +92,44 @@ uint32_t DG_GetTicksMs(void) { return timer; } -int DG_GetKey(int *pressed, unsigned char *doomKey) { - return 0; +int DG_GetKey(int *pressed, unsigned char *key) { + uint8_t c; + int read = ring_get(&kb_backlog, (char*)&c, 1); + bool extended = c == 0xe0;; + if (read == 0) return 0; + if (extended) ring_get(&kb_backlog, (char*)&c, 1); + bool down = !(c & 0x80); + + c &= 0x7f; + if (!extended) { + switch (c) { + case 0x01: + c = KEY_ESCAPE; + break; + case 0x2a: case 0x36: + c = KEY_RSHIFT; + break; + case 0x1d: + c = KEY_FIRE; + break; + default: + c = keymap_lower[c & 0x7f]; + switch (c) { + case ' ': c = KEY_USE; break; + } + } + } else { + switch (c) { + case 0x48: c = KEY_UPARROW; break; + case 0x50: c = KEY_DOWNARROW; break; + case 0x4B: c = KEY_LEFTARROW; break; + case 0x4D: c = KEY_RIGHTARROW; break; + default: c = '\0'; break; + } + } + *pressed = down; + *key = c; + return 1; } void DG_SetWindowTitle(const char *title) { |