diff options
Diffstat (limited to 'src/devices/video/pwm.h')
-rw-r--r-- | src/devices/video/pwm.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/src/devices/video/pwm.h b/src/devices/video/pwm.h index 91d70521da9..ee1bf8239e8 100644 --- a/src/devices/video/pwm.h +++ b/src/devices/video/pwm.h @@ -29,29 +29,35 @@ public: // output callbacks when not using the default output tags auto output_x() { return m_output_x_cb.bind(); } // x = offset >> 6, y = offset & 0x3f auto output_a() { return m_output_a_cb.bind(); } + auto output_multi() { return m_output_multi_cb.bind(); } // b = offset >> 6, y = offset & 0x3f auto output_digit() { return m_output_digit_cb.bind(); } void reset_bri_levels() { std::fill(std::begin(m_levels), std::end(m_levels), 1.0); } void set_bri_one(u8 i, double level) { m_levels[i] = level; } void segmask_one(u8 y, u64 mask) { m_segmask[y] = mask; } - void matrix_partial(u8 start, u8 height, u64 rowsel, u64 rowdata, bool upd = true); - void matrix(u64 rowsel, u64 rowdata, bool upd = true) { matrix_partial(0, m_height, rowsel, rowdata, upd); } - void update(); // apply changes to m_rowdata + // matrix accessors + void matrix_partial(u8 start, u8 height, u64 rowsel, u64 rowdata); + void matrix(u64 rowsel, u64 rowdata) { matrix_partial(0, m_height, rowsel, rowdata); } void clear() { matrix(0, 0); } + void write_my(u64 y) { matrix(y, m_rowdata_last); } + void write_mx(u64 x) { matrix(m_rowsel, x); } + u64 read_my() { return m_rowsel; } + u64 read_mx() { return m_rowdata_last; } + // directly handle individual element (does not affect m_rowsel), y = row num, x = row bit int read_element(u8 y, u8 x) { return BIT(m_rowdata[y], x); } - void write_element(u8 y, u8 x, int state) { m_rowdata[y] = (m_rowdata[y] & ~(u64(1) << x)) | (u64(state ? 1 : 0) << x); } + void write_element(u8 y, u8 x, int state) { sync(); m_rowdata[y] = (m_rowdata[y] & ~(u64(1) << x)) | (u64(state ? 1 : 0) << x); } // directly handle row data u64 read_row(offs_t offset) { return m_rowdata[offset]; } - void write_row(offs_t offset, u64 data) { m_rowdata[offset] = data; m_rowsel |= u64(1) << offset; } - void clear_row(offs_t offset, u64 data = 0) { m_rowdata[offset] = 0; m_rowsel &= ~(u64(1) << offset); } + void write_row(offs_t offset, u64 data) { sync(); m_rowdata[offset] = data; m_rowsel |= u64(1) << offset; } + void clear_row(offs_t offset, u64 data = 0) { sync(); m_rowdata[offset] = 0; m_rowsel &= ~(u64(1) << offset); } // directly handle element current brightness - double read_element_bri(u8 y, u8 x) { return m_bri[y][x]; } - void write_element_bri(u8 y, u8 x, double b) { m_bri[y][x] = b; } + double read_element_bri(u8 y, u8 x) { sync(); return m_bri[y][x]; } + void write_element_bri(u8 y, u8 x, double b) { sync(); m_bri[y][x] = b; } bool element_on(u8 y, u8 x) { return (read_element_bri(y, x) > m_levels[m_level_min]); } bool row_on(u8 y) { return element_on(y, m_width); } @@ -63,10 +69,12 @@ protected: private: output_finder<0x40, 0x40> m_out_x; output_finder<0x40> m_out_a; + output_finder<0x40, 0x40> m_out_multi; output_finder<0x40> m_out_digit; devcb_write8 m_output_x_cb; devcb_write8 m_output_a_cb; + devcb_write64 m_output_multi_cb; devcb_write64 m_output_digit_cb; bool m_external_output; @@ -81,17 +89,17 @@ private: u64 m_segmask[0x40]; u64 m_rowsel; - u64 m_rowsel_prev; u64 m_rowdata[0x40]; - u64 m_rowdata_prev[0x40]; + u64 m_rowdata_last; double m_bri[0x40][0x41]; - attotime m_update_time; + attotime m_sync_time; attotime m_acc[0x40][0x41]; emu_timer *m_frame_timer; TIMER_CALLBACK_MEMBER(frame_tick); void schedule_frame(); + void sync(); }; |