From: Leo C <erbl259-lmu@yahoo.de>
Date: Wed, 12 Sep 2018 20:24:39 +0000 (+0200)
Subject: z80_toggle_reset(), z80_toggle_busreq()
X-Git-Url: http://cloudbase.mooo.com/gitweb/z180-stamp.git/commitdiff_plain/3ec6fa484bee040cbea17142b80ef075867b6385

z80_toggle_reset(), z80_toggle_busreq()
---

diff --git a/avr/z80-if.c b/avr/z80-if.c
index 62199bb..88015d7 100644
--- a/avr/z80-if.c
+++ b/avr/z80-if.c
@@ -72,6 +72,7 @@
 #define WR		2
 #define P_BUSREQ	PORTD
 #define BUSREQ		7
+#define PIN_BUSREQ	PIND
 #define DDR_BUSREQ	DDRD
 #define P_BUSACK	PORTD
 #define PIN_BUSACK	PIND
@@ -105,6 +106,7 @@
 #define Z80_O_RD	SBIT(P_RD, 3)
 #define Z80_O_WR	SBIT(P_WR, 2)
 #define Z80_O_BUSREQ	SBIT(P_BUSREQ, 7)
+#define Z80_I_BUSREQ	SBIT(PIN_BUSREQ, 7)
 //#define Z80_O_NMI	SBIT(P_NMI, )
 #define Z80_O_RST	SBIT(P_RST, 5)
 #define Z80_I_RST	SBIT(PIN_RST, 5)
@@ -293,6 +295,16 @@ zstate_t z80_bus_state(void)
 	return zstate;
 }
 
+void z80_toggle_reset(void)
+{
+	Z80_I_RST = 1;
+}
+
+void z80_toggle_busreq(void)
+{
+	Z80_I_BUSREQ = 1;
+}
+
 
 static void z80_busreq_hpulse(void)
 {
diff --git a/include/z80-if.h b/include/z80-if.h
index a431500..c83c7de 100644
--- a/include/z80-if.h
+++ b/include/z80-if.h
@@ -34,8 +34,9 @@ zstate_t z80_bus_state(void);
 zstate_t z80_bus_cmd(bus_cmd_t cmd);
 void z80_setup_bus(void);
 int z80_stat_reset(void);
-//void z80_busreq(level_t level);
 int z80_stat_halt(void);
+void z80_toggle_reset(void);
+void z80_toggle_busreq(void);
 
 
 int32_t z80_memsize_detect(void);