Implement text parser

Several sprite animation commands now work
Fix severe performance issue by MAPping the graphics screen into 16-bit
space
Message boxes can be created

Author: KeithHenrickson-Retro

.gitignore

@@ -2,4 +2,9 @@ obj/*.o
 obj/*.lst
 *.lst
 *.prg
+*.raw
+obj/
+*.d81
+*.cmap
+volumes/
 

.vscode/launch.json

@@ -19,6 +19,7 @@
             "name": "(MEGA65) Launch",
             "type": "cppvsdbg",
             "request": "launch",
+            "preLaunchTask": "senddisk",
             "program": "C:\\CommandLineApps\\etherload.exe",
             "args": ["-r", "-m", "agi.d81", "-5", "--ntsc", "agi.prg"],
             "stopAtEntry": false,

.vscode/tasks.json

@@ -14,6 +14,11 @@
                 "$gcc"
             ]
         },
+        {
+            "label" : "senddisk",
+            "command" : "mega65_ftp",
+            "args" : ["-e", "-c", "put agi.d81"]
+        },
         {
             "label": "clean",
             "type": "shell",

Makefile

@@ -2,7 +2,7 @@ VPATH = src
 
 # Common source files
 ASM_SRCS = simplefile.s irq.s
-C_SRCS = main.c ncm.c pic.c volume.c sound.c view.c engine.c interrupt.c memmanage.c sprite.c logic.c
+C_SRCS = main.c ncm.c pic.c volume.c sound.c view.c engine.c interrupt.c memmanage.c sprite.c logic.c parser.c init.c
 C1541 = c1541
 INC = -I./include
 
@@ -22,22 +22,24 @@ obj/%-debug.o: %.s
 obj/%-debug.o: %.c
 	cc6502 --target=mega65 --debug --list-file=$(@:%.o=%.clst) -o $@ $<
 
-agi.prg:  $(OBJS)
-	ln6502 --target=mega65 mega65-agi.scm -o $@ $^  --output-format=prg --list-file=agi-mega65.cmap
+agi.prg:  mega65-agi.scm $(OBJS)
+	ln6502 --target=mega65 -o $@ $^ --raw-multiple-memories --output-format=prg --list-file=agi-mega65.cmap
 
 agi.elf: $(OBJS_DEBUG)
-	ln6502 --target=mega65 mega65-agi.scm --debug -o $@ $^ --list-file=agi-debug.cmap --semi-hosted
+	ln6502 --target=mega65 --debug -o $@ $^ --list-file=agi-debug.cmap --semi-hosted
 
 agi.d81: agi.prg
 	$(C1541) -format "agi,a1" d81 agi.d81
 	$(C1541) -attach agi.d81 -write agi.prg agi.c65
+	$(C1541) -attach agi.d81 -write nographics.raw nographics,s
 	$(C1541) -attach agi.d81 -write volumes/LOGDIR logdir,s
 	$(C1541) -attach agi.d81 -write volumes/PICDIR picdir,s
 	$(C1541) -attach agi.d81 -write volumes/SNDDIR snddir,s
 	$(C1541) -attach agi.d81 -write volumes/VIEWDIR viewdir,s
 	$(C1541) -attach agi.d81 -write volumes/VOL.0 vol.0,s
 	$(C1541) -attach agi.d81 -write volumes/VOL.1 vol.1,s
 	$(C1541) -attach agi.d81 -write volumes/VOL.2 vol.2,s
+	$(C1541) -attach agi.d81 -write volumes/WORDS.TOK words.tok,s
 
 clean:
 	-rm $(OBJS) $(OBJS:%.o=%.clst) $(OBJS_DEBUG) $(OBJS_DEBUG:%.o=%.clst)

include/engine.h

@@ -1,6 +1,8 @@
 #ifndef ENGINE_H
 #define ENGINE_H
 
+#include "main.h"
+
 extern uint8_t horizon_line;
 extern bool player_control;
 
@@ -11,5 +13,6 @@ void engine_unblock(void);
 void engine_clear_keyboard(void);
 void engine_allowinput(bool allowed);
 void engine_statusline(bool enable);
+void engine_dialog_close(void);
 
 #endif

include/gfx.h

@@ -4,6 +4,7 @@
 #include <stdbool.h>
 
 extern volatile uint8_t __far *drawing_xpointer[2][160];
+extern uint8_t *fastdrawing_xpointer[160];
 extern volatile uint8_t drawing_screen;
 extern __far uint8_t priority_screen[16384];
 
@@ -20,10 +21,11 @@ void gfx_set_printpos(uint8_t x, uint8_t y);
 void gfx_clear_line(uint8_t y);
 void gfx_setupmem(void);
 void gfx_blackscreen(void);
-void gfx_cleargfx(void);
+void gfx_cleargfx(bool preserve_text);
 bool gfx_flippage(void);
 void gfx_hold_flip(bool hold);
 void gfx_switchto(void);
 void gfx_switchfrom(void);
+void gfx_set_textmode(bool enable_text);
 
 #endif

include/init.h

@@ -0,0 +1,6 @@
+#ifndef INIT_H
+#define INIT_H
+
+void init_load_raw(void);
+
+#endif

include/irq.h

@@ -1,2 +1,5 @@
 void hook_irq(void);
 void unhook_irq(void);
+void select_graphics0_mem(void);
+void select_graphics1_mem(void);
+void select_execution_mem(void);

include/main.h

@@ -1,6 +1,8 @@
 #ifndef MAIN_H
 #define MAIN_H
 
+#include "stdbool.h"
+
 struct __F018 {
   uint8_t dmalowtrig;
   uint8_t dmahigh;

include/memmanage.h

@@ -2,11 +2,14 @@
 #define MEMMANAGE_H
 
 extern uint8_t __far * const chipmem_base;
+extern uint8_t __far * const chipmem2_base;
 
 void memmanage_init(void);
 uint16_t chipmem_alloc(uint16_t size);
 void chipmem_free(uint16_t offset);
 void chipmem_lock(void);
 void chipmem_free_unlocked(void);
+uint16_t chipmem2_alloc(uint16_t size);
+void chipmem2_free(uint16_t offset);
 
 #endif