kasse: use cgetn_input() to simplify logic

[c128-kasse] / include / general.h

diff --git a/include/general.h b/include/general.h
index 7fb133846fe923bbb76a08a89a8874bc2ddb1852..e07176eadf8cfe05fbc359bfb2cc860af7470570 100644 (file)
--- a/include/general.h
+++ b/include/general.h
@@ -1,12 +1,74 @@
 #ifndef GENERAL_H_
 #define GENERAL_H_
+
+#include <peekpoke.h>
+
 typedef unsigned char BYTE;
-char *get_input();
-char * format_euro(char * s, int maxlen, int cent);
-void c128_perror(BYTE, char*);
+typedef enum {
+  INPUT_TERMINATOR_RETURN = (1 << 0),
+  INPUT_TERMINATOR_SPACE = (1 << 1),
+} input_terminator_t;
+typedef input_terminator_t input_terminator_mask_t;
+input_terminator_t get_input_terminated_by(input_terminator_mask_t terminators,
+                                           char *out, BYTE outlen);
+char *get_input(void);
+BYTE cgetn_input(char *s, BYTE len);
+void cget_return(void);
+char retry_or_quit(void);
+char *format_euro(char *s, int maxlen, int cent);
+void c128_perror(BYTE, char *);
 extern BYTE _oserror;
-#define POKE(addr,val)     (*(unsigned char*) (addr) = (val))
-#define POKEW(addr,val)    (*(unsigned*) (addr) = (val))
-#define PEEK(addr)         (*(unsigned char*) (addr))
-#define PEEKW(addr)        (*(unsigned*) (addr))
+
+/* C128 color codes, see PDF page 127 of
+ * http://www.pagetable.com/docs/Commodore%20128%20Programmer%27s%20Reference%20Guide.pdf
+ */
+#define TC_BLACK 0
+#define TC_WHITE 1
+#define TC_RED 2
+#define TC_CYAN 3
+#define TC_PURPLE 4
+#define TC_GREEN 5
+#define TC_BLUE 6
+#define TC_YELLOW 7
+#define TC_ORANGE 8
+#define TC_BROWN 9
+/* This is the good red */
+#define TC_LIGHT_RED 10
+#define TC_DARK_GRAY 11
+#define TC_MEDIUM_GRAY 12
+/* This is the good green */
+#define TC_LIGHT_GREEN 13
+#define TC_LIGHT_BLUE 14
+#define TC_LIGHT_GRAY 15
+
+/* Carriage return */
+#define PETSCII_CR 13
+/* Delete */
+#define PETSCII_DEL 20
+/* Escape */
+#define PETSCII_ESC 27
+/* Space */
+#define PETSCII_SP 32
+#define PETSCII_0 48
+#define PETSCII_1 49
+#define PETSCII_2 50
+#define PETSCII_3 51
+#define PETSCII_4 52
+#define PETSCII_5 53
+#define PETSCII_6 54
+#define PETSCII_7 55
+#define PETSCII_8 56
+#define PETSCII_9 57
+
+#define VIDEOMODE (((*(BYTE *)0xD7) == 0x80) ? 80 : 40)
+
+/* because there is no macro expansion when stringifying, we need to use two
+ * levels of macros to stringify the value of a macro (for example
+ * MAX_ITEM_NAME_LENGTH) */
+#define xstr(s) str(s)
+#define str(s) #s
+
+#define max(a, b) ((a) > (b) ? (a) : (b))
+#define min(a, b) ((a) > (b) ? (b) : (a))
+
 #endif /*GENERAL_H_*/