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authorIan C <ianc@noddybox.co.uk>2020-03-19 22:51:10 +0000
committerIan C <ianc@noddybox.co.uk>2020-03-19 22:51:10 +0000
commit5106ea51907aa9f6a15070041fefd820671cc4ed (patch)
treedda3e6bc91586ff42cc92a5101efe8327ed1899a
parent4e244ffab7a7bb44e4b535b0a290c99ecce3a3c2 (diff)
First attempt at display routine. Still keyboard handling to do.
-rw-r--r--src/Makefile7
-rw-r--r--src/czx81.c76
2 files changed, 81 insertions, 2 deletions
diff --git a/src/Makefile b/src/Makefile
index 8deb3e5..9fc766e 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -21,6 +21,9 @@ TARGET=czx81
# ncursesw
CURSES=-lncurses
+# For debug build
+#CFLAGS+=-g
+
OBJS= czx81.o \
z80.o \
z80_decode.o \
@@ -29,12 +32,12 @@ OBJS= czx81.o \
zx81rom.o
$(TARGET): $(OBJS)
- $(CC) -o $(TARGET) $(OBJS) $(CURSES)
+ $(CC) $(CFLAGS) -o $(TARGET) $(OBJS) $(CURSES)
clean:
rm -f $(TARGET) $(OBJS) core
-czx81.o: czx81.c wide_curses.h
+czx81.o: czx81.c wide_curses.h z80.h z80_config.h zx81rom.h
stream.o: stream.c stream.h
z80.o: z80.c z80.h z80_config.h z80_private.h stream.h
z80_decode.o: z80_decode.c z80.h z80_config.h z80_private.h
diff --git a/src/czx81.c b/src/czx81.c
index 6ba48a8..1e50c5c 100644
--- a/src/czx81.c
+++ b/src/czx81.c
@@ -83,6 +83,26 @@ static Z80 *z80;
static Z80Byte matrix[8];
+static wchar_t scrcode[0x40] =
+{
+ L' ', L'\u2598', L'\u259d', L'\u2580', /* 00 - 03 */
+ L'\u2596', L'\u258c', L'\u259e', L'\u259b', /* 04 - 07 */
+ L'\u2592', L'\u2584', L'\u2580', L'"', /* 08 - 0b */
+ L'\u00a3', L'$', L':', L'?', /* 0c - 0f */
+ L'(', L')', L'>', L'<', /* 10 - 13 */
+ L'=', L'+', L'-', L'*', /* 14 - 17 */
+ L'/', L';', L',', L'.', /* 18 - 1b */
+ L'0', L'1', L'2', L'3', /* 1c - 1f */
+ L'4', L'5', L'6', L'7', /* 20 - 23 */
+ L'8', L'9', L'A', L'B', /* 24 - 27 */
+ L'C', L'D', L'E', L'F', /* 28 - 2b */
+ L'G', L'H', L'I', L'J', /* 2c - 2f */
+ L'K', L'L', L'M', L'N', /* 30 - 33 */
+ L'O', L'P', L'Q', L'R', /* 34 - 37 */
+ L'S', L'T', L'U', L'V', /* 38 - 3b */
+ L'W', L'X', L'Y', L'Z', /* 3c - 3f */
+};
+
/* -------------------------------------------------- ZX81 CODE
*/
@@ -420,6 +440,60 @@ static void ZX81Init(void)
}
+static void DrawScreen(void)
+{
+ int fast;
+ int x,y;
+
+ fast = (FRAME_TSTATES == FAST_TSTATES);
+
+ if (fast)
+ {
+ for(y = 0; y < TXT_H; y++)
+ {
+ for(x = 0; x < TXT_W; x++)
+ {
+ mvprintw(y, x, "%lc", L'\u2592');
+ }
+ }
+ }
+ else
+ {
+ Z80Byte *scr;
+
+ scr = mem + PEEKW(DFILE);
+ y = 0;
+
+ while(y < TXT_H)
+ {
+ scr++;
+ x = 0;
+
+ while(*scr != 118 && x < TXT_W)
+ {
+ Z80Byte ch = *scr++;
+
+ if (ch & 0x80)
+ {
+ attron(A_REVERSE);
+ }
+
+ mvprintw(y, x, "%lc", scrcode[ch & 0x3f]);
+
+ if (ch & 0x80)
+ {
+ attroff(A_REVERSE);
+ }
+
+ x++;
+ }
+
+ y++;
+ }
+ }
+}
+
+
/* -------------------------------------------------- UTILS
*/
static long TimeDiff(const struct timespec *start,
@@ -475,6 +549,8 @@ int main(void)
clear();
+ DrawScreen();
+
ch = getch();
if (ch == 3)