Remove z80_ram reference in SDL renderer to get stateview compiling again. Print out the sprite list in stateview.

4 files changed, 20 insertions, 7 deletions

diff --git a/render_sdl.c b/render_sdl.c
index a884fe4..a40887f 100644
--- a/render_sdl.c
+++ b/render_sdl.c
@@ -232,7 +232,6 @@ void render_wait_quit(vdp_context * context)
 #define MIN_DELAY 5
 uint32_t frame_counter = 0;
 uint32_t start = 0;
-extern uint8_t z80_ram[];
 int wait_render_frame(vdp_context * context)
 {
 	FILE * outfile;
@@ -352,12 +351,6 @@ int wait_render_frame(vdp_context * context)
 			case SDLK_f:
 				gamepad_1.input[GAMEPAD_EXTRA] &= ~BUTTON_MODE;
 				break;
-			case SDLK_z:{
-				FILE * f = fopen("zram.bin", "wb");
-				fwrite(z80_ram, 1, 8 * 1024, f);
-				fclose(f);
-				break;
-				}
 			}
 			break;
 		case SDL_QUIT:
diff --git a/stateview.c b/stateview.c
index a7c030c..db19cfa 100644
--- a/stateview.c
+++ b/stateview.c
@@ -38,6 +38,7 @@ int main(int argc, char ** argv)
 	init_vdp_context(&context);
 	vdp_load_savestate(&context, state_file);
 	vdp_run_to_vblank(&context);
+	vdp_print_sprite_table(&context);
 	printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
     render_init(width, height);
     render_context(&context);
diff --git a/vdp.c b/vdp.c
index bda38ba..b77d29b 100644
--- a/vdp.c
+++ b/vdp.c
@@ -66,6 +66,24 @@ void render_sprite_cells(vdp_context * context)
 	}
 }
 
+void vdp_print_sprite_table(vdp_context * context)
+{
+	uint16_t sat_address = (context->regs[REG_SAT] & 0x7F) << 9;
+	uint16_t current_index = 0;
+	uint8_t count = 0;
+	do {
+		uint16_t address = current_index * 8 + sat_address;
+		uint8_t height = ((context->vdpmem[address+2] & 0x3) + 1) * 8;
+		uint8_t width = (((context->vdpmem[address+2]  >> 2) & 0x3) + 1) * 8;
+		int16_t y = ((context->vdpmem[address] & 0x3) << 8 | context->vdpmem[address+1]) & 0x1FF;
+		int16_t x = ((context->vdpmem[address+ 2] & 0x3) << 8 | context->vdpmem[address + 3]) & 0x1FF;
+		uint16_t link = context->vdpmem[address+3] & 0x7F;
+		printf("Sprite %d: X=%d, Y=%d, Width=%u, Height=%u, Link=%u\n", current_index, x, y, width, height, link);
+		current_index = link;
+		count++;
+	} while (current_index != 0 && count < 80);
+}
+
 void scan_sprite_table(uint32_t line, vdp_context * context)
 {
 	if (context->sprite_index && context->slot_counter) {
diff --git a/vdp.h b/vdp.h
index 435ccf0..cd131b2 100644
--- a/vdp.h
+++ b/vdp.h
@@ -141,5 +141,6 @@ void vdp_adjust_cycles(vdp_context * context, uint32_t deduction);
 uint32_t vdp_next_hint(vdp_context * context);
 uint32_t vdp_next_vint(vdp_context * context);
 void vdp_int_ack(vdp_context * context, uint16_t int_num);
+void vdp_print_sprite_table(vdp_context * context);
 
 #endif //VDP_H_