From 39f6ddc3e27b80c17efe4f2d81ce99ed3a297b9a Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sun, 24 Jun 2018 23:31:28 -0400
Subject: add gb_config_t, gb_disasm(), refactor logic, misc cleanups

---
 test.c | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 89 insertions(+), 6 deletions(-)

(limited to 'test.c')

diff --git a/test.c b/test.c
index f20301c..7a2ea70 100644
--- a/test.c
+++ b/test.c
@@ -11,7 +11,8 @@
 
 #define NUM_FRAMES 600
 // #define SKIP_STEPS 1000000
-#define NUM_STEPS 200000
+#define NUM_STEPS 300000
+#define UNUSED(a) ((void) (a))
 
 static uint32_t
 file_size(
@@ -62,6 +63,81 @@ load(
 // buffer for rendered frames
 static uint8_t frames[NUM_FRAMES * GB_FRAME_SIZE];
 
+static void
+on_set_rom_bank(
+  const gb_t * const ctx,
+  const uint16_t bank
+) {
+  printf("set rom bank: bank = %u, PC = %04x\n", bank, ctx->cpu.rs[5]);
+}
+
+static void
+on_set_ram_bank(
+  const gb_t * const ctx,
+  const uint16_t bank
+) {
+  printf("set ram bank: bank = %u, PC = %04x\n", bank, ctx->cpu.rs[5]);
+}
+
+static void
+on_vblank(
+  const gb_t * const ctx
+) {
+  printf("vblank: PC = %04x\n", ctx->cpu.rs[5]);
+}
+
+static void
+on_hblank(
+  const gb_t * const ctx
+) {
+  printf("hblank: PC = %04x\n", ctx->cpu.rs[5]);
+}
+
+static void
+on_timer(
+  const gb_t * const ctx
+) {
+  printf("timer: PC = %04x\n", ctx->cpu.rs[5]);
+}
+
+/* 
+ * static void
+ * on_gpu_step(
+ *   const gb_t * const ctx
+ * ) {
+ *   printf("gpu step: gpu clock = 0x%04x\n", ctx->gpu.clock);
+ * }
+ */ 
+
+static void
+on_gpu_set_mode(
+  const gb_t * const ctx,
+  const uint8_t mode
+) {
+  UNUSED(ctx);
+  printf("gpu mode: %u, line = %u\n", mode, ctx->gpu.line);
+}
+
+static void
+on_set_cpu_state(
+  const gb_t * const ctx,
+  const gb_cpu_state_t state
+) {
+  printf("cpu state: PC = %04x, state = %d\n", ctx->cpu.rs[5], state);
+}
+
+static const gb_config_t
+EXECUTE_CONFIG = {
+  .on_set_rom_bank  = on_set_rom_bank,
+  .on_set_ram_bank  = on_set_ram_bank,
+  .on_vblank        = on_vblank,
+  .on_hblank        = on_hblank,
+  .on_timer         = on_timer,
+  // .on_gpu_step      = on_gpu_step,
+  .on_gpu_set_mode  = on_gpu_set_mode,
+  .on_set_cpu_state = on_set_cpu_state,
+};
+
 static void
 test_render_frames(
   const char * const png_path,
@@ -74,7 +150,7 @@ test_render_frames(
 
   // init context
   gb_t ctx;
-  gb_init(&ctx, rom_data, rom_size);
+  gb_init(&ctx, NULL, rom_data, rom_size);
   fprintf(stderr, "gb context initialized\n");
 
   // render frames
@@ -109,12 +185,19 @@ const char * const RWS[] = {
 
 static void
 gb_dump_context(
-  const gb_t * const ctx
+  gb_t * const ctx
 ) {
   for (int i = 0; RWS[i]; i++) {
-    printf("%s%s: 0x%04X", (!i) ? "" : ", ", RWS[i], ctx->cpu.rs[i]);
+    printf("%s:%04X ", RWS[i], ctx->cpu.rs[i]);
+  }
+
+  char buf[128];
+  size_t buf_len = sizeof(buf);
+  if (gb_disasm(ctx, buf, &buf_len)) {
+    printf("%s\n", buf);
+  } else {
+    printf("\n");
   }
-  printf("\n");
 }
 
 static void
@@ -128,7 +211,7 @@ test_execute_steps(
 
   // init context
   gb_t ctx;
-  gb_init(&ctx, rom_data, rom_size);
+  gb_init(&ctx, &EXECUTE_CONFIG, rom_data, rom_size);
   fprintf(stderr, "gb context initialized\n");
 
 #ifdef SKIP_STEPS
-- 
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