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Diffstat (limited to 'src/mame/drivers/fidelz80.cpp')
-rw-r--r--src/mame/drivers/fidelz80.cpp15
1 files changed, 6 insertions, 9 deletions
diff --git a/src/mame/drivers/fidelz80.cpp b/src/mame/drivers/fidelz80.cpp
index 072cb1dcca7..f1efa69b9c1 100644
--- a/src/mame/drivers/fidelz80.cpp
+++ b/src/mame/drivers/fidelz80.cpp
@@ -73,7 +73,7 @@ PB.3 - digit 1, top dot (W)
PB.4 - digit 2 (W)
PB.5 - digit 3 (W)
PB.6 - enable language switches (W, see below)
-PB.7 - TSI DONE line (R)
+PB.7 - TSI BSY line (R)
(button rows pulled up to 5V through 2.2K resistors)
PC.0 - button row 0, German language jumper (R)
@@ -335,7 +335,7 @@ PA7 - 7seg segments D
PB0 - A12 on speech ROM (if used... not used on this model, ROM is 4K)
PB1 - START line on S14001A
PB2 - white wire
-PB3 - DONE line from S14001A
+PB3 - BSY line from S14001A
PB4 - Tone line (toggle to make a tone in the speaker)
PB5 - button column I
PB6 - selection jumper (resistor to 5V)
@@ -562,7 +562,7 @@ PB.0 - button column I
PB.1 - button row 9
PB.2 - Tone line (toggle to make tone in the speaker)
PB.3 - violet wire
-PB.4 - white wire (and TSI done line)
+PB.4 - white wire (and TSI BSY line)
PB.5 - selection jumper input (see below)
PB.6 - TSI start line
PB.7 - TSI ROM D0 line
@@ -812,7 +812,6 @@ WRITE8_MEMBER(fidelz80_state::vcc_ppi_porta_w)
// d0-d5: TSI A0-A5
// d7: TSI START line
- m_speech->set_volume(15); // hack, s14001a core should assume a volume of 15 unless otherwise stated...
m_speech->reg_w(data & 0x3f);
m_speech->rst_w(data >> 7 & 1);
@@ -822,7 +821,7 @@ WRITE8_MEMBER(fidelz80_state::vcc_ppi_porta_w)
READ8_MEMBER(fidelz80_state::vcc_ppi_portb_r)
{
- // d7: TSI DONE line
+ // d7: TSI BSY line
return (m_speech->bsy_r()) ? 0x80 : 0x00;
}
@@ -922,7 +921,7 @@ READ8_MEMBER(fidelz80_state::vsc_pio_portb_r)
{
UINT8 ret = 0;
- // d4: TSI DONE line
+ // d4: TSI BSY line
ret |= (m_speech->bsy_r()) ? 0 : 0x10;
return ret;
@@ -937,7 +936,6 @@ WRITE8_MEMBER(fidelz80_state::vsc_pio_portb_w)
m_speaker->level_w(data >> 2 & 1);
// d6: TSI START line
- m_speech->set_volume(15); // hack, s14001a core should assume a volume of 15 unless otherwise stated...
m_speech->rst_w(data >> 6 & 1);
}
@@ -1081,8 +1079,7 @@ READ8_MEMBER(fidelz80_state::mcu_status_r)
WRITE8_MEMBER(fidelz80_state::bridgec_speech_w)
{
- // todo: HALT THE z80 here, and set up a callback to poll the s14001a DONE line to resume z80
- m_speech->set_volume(15); // hack, s14001a core should assume a volume of 15 unless otherwise stated...
+ // todo: HALT THE z80 here, and set up a callback to poll the s14001a BSY line to resume z80
m_speech->reg_w(data & 0x3f);
m_speech->rst_w(BIT(data, 7));
}