#include "chargen-4x8.h"
#include "hw_lem1802.h"
+/* lem1802
+ *
+ * TODO:
+ * multiple vnc displays
+ */
+
+#define MSG_(__level__, __vm__, ...) do { ((__vm__) ? ((struct dcpu16 *)(__vm__))->msg_cb_ : dcpu16_msg_)(__level__, __VA_ARGS__); } while (0)
+#define MSG_INFO(__vm__, ...) MSG_(DCPU16_MSG_INFO, __vm__, __VA_ARGS__)
+#define MSG_ERROR(__vm__, ...) MSG_(DCPU16_MSG_ERROR, __vm__, __VA_ARGS__)
#ifdef DEBUG
-#define TRACE(...) do { printf("[debug] "); printf(__VA_ARGS__); printf("\n"); } while (0)
+#define MSG_DEBUG(__vm__, ...) MSG_(DCPU16_MSG_DEBUG, __vm__, __VA_ARGS__)
#else /* DEBUG */
-#define TRACE(...) do {} while (0)
+#define MSG_DEBUG(__vm__, ...) do { } while (0)
#endif /* DEBUG */
-static dcpu16_hw_signal_t lem1802_reset_;
-static dcpu16_hw_signal_t lem1802_cycle_;
-static dcpu16_hw_signal_t lem1802_hwi_;
-static struct dcpu16_hw hw_ = {
- .name_ = "LEM1802 - Low Energy Monitor",
- .id_l = 0xf615,
- .id_h = 0x7349,
- .ver = 0x1802,
- .mfg_l = 0x8b36,
- .mfg_h = 0x1c6c,
- .hwi = lem1802_hwi_,
- .cycle = lem1802_cycle_,
- .reset = lem1802_reset_,
- .data = (struct lem1802_ *)NULL
-};
+#ifdef WANT_VARIADIC_VOIDP_CAST
+#define VOIDP(__x__) ((void *)(__x__))
+#define VOIDFP(__x__) ((void *)(size_t)(__x__))
+#else
+#define VOIDP(__x__) (__x__)
+#define VOIDFP(__x__) (__x__)
+#endif
-#define LEM1802_POWER_ON_CYCLES 100000 /* this should vary by, let us say, 10% */
+#define LEM1802_POWER_ON_CYCLES 100000 /* 'about one second' */
#define PIX_X 160 /* pixels in display */
#define PIX_Y 128 /* pixels in display */
unsigned char r;
unsigned char g;
unsigned char b;
- unsigned char a;
+ unsigned char a; /* unused */
};
struct lem1802_ {
#if WANT_DELAY_START
gettimeofday(&tv, NULL);
+ /* consider the 'about' in 'about one second' to be +/- 10% */
r += LEM1802_POWER_ON_CYCLES - (LEM1802_POWER_ON_CYCLES / 10);
r += tv.tv_usec % (LEM1802_POWER_ON_CYCLES / 5);
#endif
void pixbuf_border_paint_(struct pixel_ *pixbuf, struct pixel_ *border) {
size_t x, y, i;
- TRACE("%s>> painted border", __func__);
+ MSG_DEBUG(NULL, "%s>> painting border", __func__);
/* top */
for (y = 0; y < PIX_BORDER; y++) {
unsigned char *font_bitmap = (unsigned char *)tile;
#if 0
- TRACE("%s>> fg:(%u,%u,%u) bg:(%u,%u,%u) font_bitmap:%02x %02x %02x %02x", __func__,
+ MSG_DEBUG(NULL, "%s>> fg:(%u,%u,%u) bg:(%u,%u,%u) font_bitmap:%02x %02x %02x %02x", __func__,
fg->r, fg->g, fg->b,
bg->r, bg->g, bg->b,
font_bitmap[0], font_bitmap[1], font_bitmap[2], font_bitmap[3]);
cell_y = (addr - base) / CELL_X;
#if 0
- TRACE("%s>> addr:0x%04x col:%u row:%u v:%hu",
+ MSG_DEBUG(NULL, "%s>> addr:0x%04x col:%u row:%u v:%hu",
__func__,
addr,
cell_x, cell_y, mem[addr]);
size_t tile;
#if 0
- TRACE("%s>> video_base:0x%04x", __func__, display->video_base);
+ MSG_DEBUG(NULL, "%s>> video_base:0x%04x", __func__, display->video_base);
#endif
if (display->cycles_until_active_) {
mem,
display->video_base,
display->video_base + tile,
- display->palette_base ? mem + display->palette_base : palette_default_,
- display->font_base ? mem + display->font_base : (unsigned short *)chargen_4x8_glyphs,
+ display->palette_base ? mem + display->palette_base : (DCPU16_WORD *)palette_default_,
+ display->font_base ? mem + display->font_base : (DCPU16_WORD *)chargen_4x8_glyphs,
display->blink_state);
}
}
#ifdef HAVE_LIBVNCSERVER
/* create and return a new screen, easiest to do here because we know the screen dimensions */
-rfbScreenInfoPtr lem1802_rfb_new(int argc, char *argv[]) {
+static
+rfbScreenInfoPtr lem1802_rfb_new_(int argc, char *argv[]) {
rfbScreenInfoPtr s;
int paddedWidth = PIX_X + ( (PIX_X & 3) ? (4 - (PIX_X & 3)) : 0 );
int height = PIX_Y;
s->httpDir = "../classes";
#endif
- TRACE("%s>> s:%p", __func__, s);
- TRACE("%s>> s->kbdAddEvent:%p s->frameBuffer:%p", __func__, s->kbdAddEvent, s->frameBuffer);
+ MSG_DEBUG(NULL, "%s>> s:%p", __func__, VOIDP(s));
+ MSG_DEBUG(NULL, "%s>> s->kbdAddEvent:%p s->frameBuffer:%p", __func__, VOIDFP(s->kbdAddEvent), s->frameBuffer);
return s;
}
-/* set up a new screen to see our pixels */
-void lem1802_vnc_associate(struct dcpu16_hw *hw, rfbScreenInfoPtr s) {
- struct lem1802_ *display = (struct lem1802_ *)hw->data;
-
- s->desktopName = "NYA ELEKTRISKA LEM1802";
- s->frameBuffer = (char *)display->pixbuf;
-
- TRACE("%s>> s:%p\n", __func__, s);
-}
/* notify rfb server that pixels may have changed */
static
(void)pixbuf;
+ MSG_DEBUG(NULL, "%s>> s:%p", __func__, s);
+
/* derp */
if (s)
rfbMarkRectAsModified(s, 0, 0, x, y);
- TRACE("%s>>", __func__);
+ MSG_DEBUG(NULL, "%s>>", __func__);
return retval;
}
static
-void lem1802_reset_(struct dcpu16 *vm, void *data) {
- struct lem1802_ *display = (struct lem1802_ *)data;
+void lem1802_reset_(struct dcpu16 *vm, struct dcpu16_hw *hw) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
(void)vm;
display->cycle_state_ = 0;
-#if DEBUG
- vm->trace_cb_("%s>>", __func__);
-#endif /* DEBUG */
+ MSG_DEBUG(vm, "%s>>", __func__);
}
static
-void lem1802_cycle_(struct dcpu16 *vm, void *data) {
- struct lem1802_ *display = (struct lem1802_ *)data;
+void lem1802_cycle_(struct dcpu16 *vm, struct dcpu16_hw *hw) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
(void)vm;
/*
if (display->blink_tally_ >= display->blink_rate) {
display->blink_tally_ = 0;
display->blink_state ^= 1;
- TRACE("%s>> blink:%u (%u cycles)", __func__, display->blink_state, display->blink_rate);
+ MSG_DEBUG(vm, "%s>> blink:%u (%u cycles)", __func__, display->blink_state, display->blink_rate);
}
display->refresh_tally_++;
if (display->refresh_tally_ >= display->refresh_rate) {
display->refresh_tally_ = 0;
if (display->render)
- TRACE("%s>> refresh", __func__);
+ MSG_DEBUG(vm, "%s>> refresh", __func__);
lem1802_pixbuf_refresh_full_(display, vm->ram);
display->render(display->renderer_data, display->pixbuf, PIX_X, PIX_Y);
}
break;
case CYCLE_COPY_TO_RAM:
- TRACE("%s>> copy_to_ram words:%zu src:%p dst_addr:0x%04x",
+ MSG_DEBUG(vm, "%s>> copy_to_ram words:%zu src:%p dst_addr:0x%04x",
__func__,
display->cycle_state_copy_words_,
- display->cycle_state_copy_src_ptr_,
+ VOIDP(display->cycle_state_copy_src_ptr_),
display->cycle_state_copy_dst_addr_);
vm->ram[display->cycle_state_copy_dst_addr_] = *display->cycle_state_copy_src_ptr_;
display->cycle_state_copy_dst_addr_++;
if (display->cycles_until_active_) {
display->cycles_until_active_--;
if (display->cycles_until_active_ == 0) {
- TRACE("%s>> display now active", __func__);
+ MSG_DEBUG(vm, "%s>> display now active", __func__);
}
}
}
static
-void lem1802_hwi_(struct dcpu16 *vm, void *data) {
- struct lem1802_ *display = (struct lem1802_ *)data;
+void lem1802_hwi_(struct dcpu16 *vm, struct dcpu16_hw *hw) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
DCPU16_WORD reg_a = vm->reg[DCPU16_REG_A];
DCPU16_WORD reg_b = vm->reg[DCPU16_REG_B];
- TRACE("%s>> A:0x%04x B:0x%04x", __func__, reg_a, reg_b);
+ MSG_DEBUG(vm, "%s>> A:0x%04x B:0x%04x", __func__, reg_a, reg_b);
switch (reg_a) {
case 0: /* MEM_MAP_SCREEN */
display->video_base = reg_b;
if (reg_b == 0)
display->cycle_activated = 0;
+ MSG_DEBUG(vm, "%s>> video_base:0x%04x", __func__, reg_b);
break;
case 1: /* MEM_MAP_FONT */
display->font_base = reg_b;
+ MSG_DEBUG(vm, "%s>> font_base:0x%04x", __func__, reg_b);
break;
case 2: /* MEM_MAP_PALETTE */
display->palette_base = reg_b;
+ MSG_DEBUG(vm, "%s>> palette_base:0x%04x", __func__, reg_b);
break;
case 3: /* SET_BORDER_COLOR */
display->border_color = reg_b & 0x000f;
+ MSG_DEBUG(vm, "%s>> border_color_index:0x%01x", __func__, reg_b & 0x000f);
break;
case 4: /* MEM_DUMP_FONT */
display->cycle_state_copy_dst_addr_ = reg_b;
display->cycle_state_copy_words_ = 256;
display->cycle_state_ = CYCLE_COPY_TO_RAM;
+ MSG_DEBUG(vm, "%s>> copying default font into 0x%04x - 0x%04x", __func__, reg_b, reg_b + 256);
dcpu16_cycle_inc(vm, 256);
break;
display->cycle_state_copy_dst_addr_ = reg_b;
display->cycle_state_copy_words_ = 16;
display->cycle_state_ = CYCLE_COPY_TO_RAM;
+ MSG_DEBUG(vm, "%s>> copying default palette into 0x%04x - 0x%04x", __func__, reg_b, reg_b + 16);
dcpu16_cycle_inc(vm, 16);
break;
}
{ NULL, NULL, NULL }
};
-int lem1802_renderer_set(struct dcpu16_hw *hw, const char *renderer, void *data) {
- struct renderer_ *r;
-
- for (r = lem1802_renderers_; r->renderer; r++) {
- if (strcmp(renderer, r->name) == 0) {
- ((struct lem1802_ *)(hw->data))->render = r->renderer;
- ((struct lem1802_ *)(hw->data))->renderer_data = data;
- TRACE("%s>> renderer set to %s", __func__, renderer);
- return 0;
- }
- }
-
- return -1;
-}
-
-char *lem1802_renderers_iter(void **iterp, char **name, char **args) {
+static
+char *lem1802_renderers_iter_(void **iterp, char **name, char **args) {
struct renderer_ **r = (struct renderer_ **)iterp;
if (*r == NULL)
return (*r)->name;
}
-/* instantitate a new display */
-struct dcpu16_hw *lem1802_new(struct dcpu16 *vm) {
- struct dcpu16_hw *hw;
-
- hw = calloc(1, sizeof *hw);
- if (hw == NULL) {
- vm->warn_cb_("%s():%s", "calloc", strerror(errno));
- return NULL;
- }
-
- memcpy(hw, &hw_, sizeof *hw);
+static
+int lem1802_data_init_(struct dcpu16_hw *hw, void *data) {
+ (void)data;
- hw->data = calloc(1, sizeof(struct dcpu16_hw));
+ hw->data = calloc(1, sizeof(struct lem1802_));
if (hw->data == NULL) {
- vm->warn_cb_("%s():%s", "calloc", strerror(errno));
- free(hw);
- return NULL;
+ MSG_ERROR(hw->vm, "%s():%s", "calloc", strerror(errno));
+ return -1;
}
- ((struct lem1802_ *)(hw->data))->pixbuf = calloc(1, PIX_X * PIX_Y * sizeof *((struct lem1802_ *)(hw->data))->pixbuf);
+ ((struct lem1802_ *)(hw->data))->pixbuf = calloc(PIX_X * PIX_Y, sizeof *((struct lem1802_ *)(hw->data))->pixbuf);
if (((struct lem1802_ *)(hw->data))->pixbuf == NULL) {
- vm->warn_cb_("%s():%s", "calloc", strerror(errno));
+ MSG_ERROR(hw->vm, "%s():%s", "calloc", strerror(errno));
free(hw->data);
- free(hw);
- return NULL;
+ hw->data = NULL;
+ return -1;
}
((struct lem1802_ *)(hw->data))->refresh_rate = 1666;
((struct lem1802_ *)(hw->data))->blink_rate = 75000;
- hw->vm = vm;
-
- return hw;
+ return 0;
}
-void lem1802_del(struct dcpu16_hw **hw) {
+static
+void lem1802_data_free_(struct dcpu16_hw *hw) {
if (hw) {
- if (*hw) {
- if ((*hw)->data) {
- if (((struct lem1802_ *)(*hw)->data)->pixbuf) {
- free(((struct lem1802_ *)(*hw)->data)->pixbuf);
- ((struct lem1802_ *)(*hw)->data)->pixbuf = NULL;
- }
- free((*hw)->data);
- (*hw)->data = NULL;
+ if (hw->data) {
+ if (((struct lem1802_ *)(hw->data))->pixbuf) {
+ free(((struct lem1802_ *)(hw->data))->pixbuf);
+ ((struct lem1802_ *)(hw->data))->pixbuf = NULL;
+ }
+ free(hw->data);
+ hw->data = NULL;
+ }
+ }
+}
+
+static struct dcpu16_hw_ctl_cmd ctl_[] = {
+ { "blink_rate", "const unsigned int *", "unsigned int *", "sets or gets cycles per blink toggle" },
+ { "refresh_rate", "const unsigned int *", "unsigned int *", "sets or gets cycles per screen refresh" },
+#ifdef HAVE_LIBVNCSERVER
+ { "new_rfbScreen", "struct { int argc; char **argv;} *", "rfbScreenInfoPtr *", "allocates a new rfb screen" },
+ { "associate_rfbScreen", "rfbScreenInfoPtr", "NULL", "associates this lem1802 instance with an rfb display" },
+#endif /* HAVE_LIBVNCSERVER */
+ { "renderers_iter", "void **", "struct {char *name; char *args;} *", "returns the next renderer this module is capable of using" },
+ { "renderer", "const char *", "NULL", "sets this lem1802 instance to use renderer" },
+ { "renderer_data", "void *", "NULL", "sets renderer-specific data" },
+ { NULL, NULL, NULL, NULL }
+};
+
+static
+int lem1802_data_ctl_(struct dcpu16_hw *hw, const char *cmd, void *data_in, void *data_out) {
+ if (strcmp(cmd, "blink_rate") == 0) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
+ const unsigned int *rate_in = (const unsigned int *)data_in;
+ unsigned int *rate_out = (unsigned int *)data_out;
+
+ if (rate_out) {
+ *rate_out = display->blink_rate;
+ }
+
+ if (rate_in) {
+ display->blink_rate = *rate_in;
+ }
+
+ MSG_DEBUG(hw->vm, "%s>> %s now:%u was:%u", __func__, "blink_rate", *rate_in, *rate_out);
+
+ return 0;
+ }
+
+ if (strcmp(cmd, "refresh_rate") == 0) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
+ const unsigned int *rate_in = (const unsigned int *)data_in;
+ unsigned int *rate_out = (unsigned int *)data_out;
+
+ if (rate_out) {
+ *rate_out = display->refresh_rate;
+ }
+
+ if (rate_in) {
+ display->refresh_rate = *rate_in;
+ }
+
+ MSG_DEBUG(hw->vm, "%s>> %s now:%u was:%u", __func__, "refresh_rate", *rate_in, *rate_out);
+
+ return 0;
+ }
+
+#ifdef HAVE_LIBVNCSERVER
+ if (strcmp(cmd, "new_rfbScreen") == 0) {
+ struct args_ { int argc; char **argv;} *in = (struct args_ *)data_in;
+ rfbScreenInfoPtr *s_out = (rfbScreenInfoPtr *)data_out;
+
+ if (in == NULL || s_out == NULL)
+ return -EFAULT;
+
+ *s_out = lem1802_rfb_new_(in->argc, in->argv);
+
+ MSG_DEBUG(NULL, "%s>> %s s:%p", __func__, "new_rfbScreen", *s_out);
+
+ return 0;
+ }
+
+ if (strcmp(cmd, "associate_rfbScreen") == 0) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
+ rfbScreenInfoPtr rfbScreen = (rfbScreenInfoPtr)data_in;
+ (void)data_out;
+
+ if (rfbScreen == NULL)
+ return -EFAULT;
+
+ rfbScreen->desktopName = "NYA ELEKTRISKA LEM1802";
+ rfbScreen->frameBuffer = (char *)display->pixbuf;
+
+ MSG_DEBUG(hw->vm, "%s>> %s rfbScreen:%p", __func__, "associate_rfbScreen", rfbScreen);
+
+ return 0;
+ }
+#endif /* HAVE_LIBVNCSERVER */
+
+ if (strcmp(cmd, "renderers_iter") == 0) {
+ void **iterp = (void **)data_in;
+ struct packed_out_ {
+ char *name;
+ char *args;
+ } *parg = (struct packed_out_ *)data_out;
+
+ if (iterp == NULL || parg == NULL)
+ return -EFAULT;
+
+ (void)lem1802_renderers_iter_(iterp, &parg->name, &parg->args);
+
+ MSG_DEBUG(hw->vm, "%s>> %s", __func__, "renderers_iter");
+
+ return 0;
+ }
+
+ if (strcmp(cmd, "renderer") == 0) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
+ char *renderer = (char *)data_in;
+ (void)data_out;
+ struct renderer_ *r;
+
+ for (r = lem1802_renderers_; r->renderer; r++) {
+ if (strcmp(renderer, r->name) == 0) {
+ display->render = r->renderer;
+ MSG_DEBUG(hw->vm, "%s>> renderer set to %s", __func__, renderer);
+ return 0;
}
- free(*hw);
}
- *hw = NULL;
+
+ MSG_ERROR(hw->vm, "unknown renderer '%s'", renderer);
+
+ return -ENOENT;
}
+
+ if (strcmp(cmd, "renderer_data") == 0) {
+ struct lem1802_ *display = (struct lem1802_ *)hw->data;
+ (void)data_out;
+
+ display->renderer_data = data_in;
+
+ MSG_DEBUG(hw->vm, "%s>> %s data:%p", __func__, "renderer_data", data_in);
+
+ return 0;
+ }
+
+ return -EINVAL;
}
+
+
+struct dcpu16_hw_module dcpu16_hw_module_lem1802 = {
+ .name_ = "LEM1802 - Low Energy Monitor",
+
+ .id_l = 0xf615,
+ .id_h = 0x7349,
+ .ver = 0x1802,
+ .mfg_l = 0x8b36,
+ .mfg_h = 0x1c6c,
+ .hwi = lem1802_hwi_,
+ .cycle = lem1802_cycle_,
+ .reset = lem1802_reset_,
+
+ .data_init = lem1802_data_init_,
+ .data_free = lem1802_data_free_,
+ .ctl = lem1802_data_ctl_,
+ .ctl_cmd = ctl_,
+};
+
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