diff options
Diffstat (limited to 'src/mame/video/ygv608.h')
-rw-r--r-- | src/mame/video/ygv608.h | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/src/mame/video/ygv608.h b/src/mame/video/ygv608.h index 5ad738acad7..25043a604e9 100644 --- a/src/mame/video/ygv608.h +++ b/src/mame/video/ygv608.h @@ -109,17 +109,6 @@ private: const address_space_config m_io_space_config; static constexpr unsigned SPRITE_ATTR_TABLE_SIZE = 256; - struct YGV_PORTS { - uint8_t na; // P#0 - pattern name table data port (read/write) - uint8_t p1; // P#1 - sprite data port (read/write) - uint8_t p2; // P#2 - scroll data port (read/write) - uint8_t p3; // P#3 - colour palette data port (read/write) - uint8_t p4; // P#4 - register data port (read/write) - uint8_t p5; // P#5 - register select port (write only) - uint8_t p6; // P#6 - status port (read/write) - uint8_t p7; // P#7 - system control port (read/write) - }; - static constexpr unsigned MAX_SPRITES = SPRITE_ATTR_TABLE_SIZE >> 2; struct SPRITE_ATTR { @@ -149,13 +138,9 @@ private: tilemap_t *m_tilemap_B; bitmap_ind16 m_work_bitmap; - void HandleYGV608Reset(); + void HandleReset(); void HandleRomTransfers(uint8_t type); - union { - uint8_t b[8]; - YGV_PORTS s; - } m_ports; /* * Built in ram @@ -181,6 +166,7 @@ private: uint8_t m_na8_mask; // mask on/off na11/9:8 int m_col_shift; // shift in scroll table column index + // base address shortcuts uint32_t m_base_addr[2][8]; uint32_t m_base_y_shift; // for extracting pattern y coord 'base' @@ -194,10 +180,12 @@ private: int pattern_name_base_r,pattern_name_base_w; /* pattern name table base address */ // === new variable handling starts here === + uint8_t m_screen_status; /**< port #6: status port r/w */ + uint8_t m_dma_status; /**< port #7: system control port r/w */ + uint8_t m_register_address; /**< RN: Register address select */ bool m_register_autoinc_r; /**< RRAI: Register address auto-increment on read */ bool m_register_autoinc_w; /**< RWAI: Register address auto-increment on write */ - uint8_t m_screen_status; /**< CD: status port r/w */ bool m_raster_irq_mask; /**< IEP: raster irq mask (INT1 occurs if 1) */ bool m_vblank_irq_mask; /**< IEV: vblank irq mask (INT0 occurs if 1) */ @@ -228,7 +216,7 @@ private: bool m_scaw; /**< SCAW: Address autoinc after writing scroll data table */ bool m_cpar; /**< CPAR: Address autoinc after reading color palette */ bool m_cpaw; /**< CPAW: Address autoinc after writing color palette */ - bool m_ba_plane_select; /**< B/(A) P#2 gains access to scroll data table in A/B plane */ + bool m_ba_plane_scroll_select; /**< B/(A) P#2 gains access to scroll data table in A/B plane */ bool m_dspe; /**< DSPE: display permission of pattern plane(s) (screen blanked if 0) */ uint8_t m_md; /**< MDx: mode for pattern planes */ |