initial api changes to support hw_ devices as more-generic attachable modules

[dcpu16] / hw_spc2000.c

diff --git a/hw_spc2000.c b/hw_spc2000.c
index 49ba35042c5ace4360c7eca649617c52b5cecb20..402a1d7949a2e150b768365cdc742a604d50e15a 100644 (file)
--- a/hw_spc2000.c
+++ b/hw_spc2000.c
@@ -9,6 +9,7 @@ static dcpu16_hw_signal_t spc2000_reset_;
 static dcpu16_hw_signal_t spc2000_cycle_;
 static dcpu16_hw_signal_t spc2000_hwi_;
 static struct dcpu16_hw hw_ = {
+    .vm     = NULL,
     .name_  = "SPC2000 - Suspension Chamber 2000",
     .id_l   = 0x1d9d,
     .id_h   = 0x40e4,
@@ -21,11 +22,41 @@ static struct dcpu16_hw hw_ = {
     .data   = (struct spc2000_ *)NULL
 };
 
+static dcpu16_hw_data_init_t spc2000_data_init_;
+static dcpu16_hw_data_free_t spc2000_data_free_;
+struct dcpu16_hw_module dcpu16_hw_module_spc2000 = {
+    .template = &hw_,
+    .data_init = spc2000_data_init_,
+    .data_free = spc2000_data_free_,
+};
+
 struct spc2000_ {
     DCPU16_WORD skip_unit;
     long long skip;
 };
 
+static
+int spc2000_data_init_(struct dcpu16_hw *hw, void *extra) {
+    (void)extra;
+
+    hw->data = calloc(1, sizeof(struct spc2000_));
+    if (hw->data == NULL) {
+        hw->vm->warn_cb_("%s():%s", "calloc", strerror(errno));
+        return -1;
+    }
+    return 0;
+}
+
+static
+void spc2000_data_free_(struct dcpu16_hw *hw) {
+    if (hw) {
+        if (hw->data) {
+            free(hw->data);
+            hw->data = NULL;
+        }
+    }
+}
+
 static
 void spc2000_reset_(struct dcpu16 *vm, void *data) {
     struct spc2000_ *spc2000 = (struct spc2000_ *)data;