Added some PIA lifecycle code, and curses action

git-svn-id: svn+ssh://svn.phoenixbox.net/svn/apple1/trunk@11 64f78de7-aa59-e511-a0e8-0002a5492df0

apple1/main.c

@@ -96,7 +96,7 @@ int main(int argc, const char * argv[])
 	v6502_write(cpu->memory, v6502_memoryVectorResetHigh, RESET_VECTOR >> 8);
 	
 	// Attach PIA
-	pia_map(cpu->memory);
+	a1pia *pia = pia_create(cpu->memory);
 	
 	v6502_reset(cpu);
 	
@@ -105,6 +105,7 @@ int main(int argc, const char * argv[])
 		v6502_step(cpu);
 	}
 	
+	pia_destroy(pia);
 	v6502_destroyMemory(cpu->memory);
 	v6502_destroyCPU(cpu);
 }

apple1/pia.c

@@ -9,6 +9,7 @@
 #include "pia.h"
 #include <stdio.h>
 #include <as6502/color.h>
+#include <stdlib.h>
 
 #define FIXME_I_SHOULDNT_BE_NULL NULL
 
@@ -35,13 +36,29 @@ void videoWriteNewlineCallback(struct _v6502_memory *memory, uint16_t offset, ui
 }
 
 uint8_t keyboardReadNewlineCallback(struct _v6502_memory *memory, uint16_t offset, int trap, void *context) {
-	// FIXME: this is just to satiate the woz monitor until real input is hooked up 
+	// FIXME: this is just to satiate the woz monitor until real input is hooked up
 	return 1;
 }
 
-void pia_map(v6502_memory *mem) {
-	v6502_map(mem, A1PIA_KEYBOARD_INPUT, 1, FIXME_I_SHOULDNT_BE_NULL, NULL, NULL);
-	v6502_map(mem, A1PIA_KEYBOARD_CRLF_REG, 1, keyboardReadNewlineCallback, NULL, NULL);
-	v6502_map(mem, A1PIA_VIDEO_OUTPUT, 1, FIXME_I_SHOULDNT_BE_NULL, videoWriteCharCallback, NULL);
-	v6502_map(mem, A1PIA_VIDEO_CRLF_REG, 1, FIXME_I_SHOULDNT_BE_NULL, videoWriteNewlineCallback, NULL);
-}
+static void _doCoolVideoStart(a1pia *pia) {
+	
+}
+
+a1pia *pia_create(v6502_memory *mem) {
+	a1pia *pia = malloc(sizeof(a1pia));
+	pia->memory = mem;
+	pia->screen = initscr();
+
+	v6502_map(mem, A1PIA_KEYBOARD_INPUT, 1, FIXME_I_SHOULDNT_BE_NULL, NULL, pia);
+	v6502_map(mem, A1PIA_KEYBOARD_CRLF_REG, 1, keyboardReadNewlineCallback, NULL, pia);
+	v6502_map(mem, A1PIA_VIDEO_OUTPUT, 1, FIXME_I_SHOULDNT_BE_NULL, videoWriteCharCallback, pia);
+	v6502_map(mem, A1PIA_VIDEO_CRLF_REG, 1, FIXME_I_SHOULDNT_BE_NULL, videoWriteNewlineCallback, pia);
+
+	_doCoolVideoStart(pia);
+	return pia;
+}
+
+void pia_destroy(a1pia *pia) {
+	endwin();
+	free(pia);
+}

apple1/pia.h

@@ -10,13 +10,21 @@
 #define __apple1__pia__
 
 #include <v6502/mem.h>
+#include <curses.h>
 
 #define A1PIA_KEYBOARD_INPUT	0xD010
 #define A1PIA_KEYBOARD_CRLF_REG	0xD011
 #define A1PIA_VIDEO_OUTPUT		0xD012
 #define A1PIA_VIDEO_CRLF_REG	0xD013
 
-// Assumes stdin/stdout
-void pia_map(v6502_memory *mem);
+typedef struct {
+	/** @brief Curses output object */
+	WINDOW *screen;
+	/** @brief Hardwired memory used to trap video activity and report keyboard input */
+	v6502_memory *memory;
+} a1pia;
+
+a1pia *pia_create(v6502_memory *mem);
+void pia_destroy(a1pia *pia);
 
 #endif /* defined(__apple1__pia__) */