diff options
author | David Haywood <mamehaze@gmail.com> | 2019-05-11 01:23:34 +0100 |
---|---|---|
committer | R. Belmont <rb6502@users.noreply.github.com> | 2019-05-10 20:23:34 -0400 |
commit | de235f462365cd06b2fffd1e3a977aab65534f22 (patch) | |
tree | 02382ed868d7285b84fd75e4252589f457b4f1a0 | |
parent | a62ca583c46efc388171fe4635f12d21cfd99e65 (diff) |
allow smartfp to show.. something (nw) (#5030)
* smartfp generate an interrupt, add a palette (nw)
* video registers look a lot like the spg220 hw here (nw)
* getting ready to split into video (nw)
* code shuffle (nw)
* shuffle (nw)
* (nw)
* (nw)
* (nw)
-rw-r--r-- | scripts/src/machine.lua | 2 | ||||
-rw-r--r-- | src/devices/cpu/unsp/unsp_extended.cpp | 16 | ||||
-rw-r--r-- | src/devices/machine/sunplus_gcm394.cpp | 268 | ||||
-rw-r--r-- | src/devices/machine/sunplus_gcm394.h | 95 | ||||
-rw-r--r-- | src/devices/machine/sunplus_gcm394_video.cpp | 522 | ||||
-rw-r--r-- | src/devices/machine/sunplus_gcm394_video.h | 201 |
6 files changed, 798 insertions, 306 deletions
diff --git a/scripts/src/machine.lua b/scripts/src/machine.lua index 0d5de2868b2..df21feff0cf 100644 --- a/scripts/src/machine.lua +++ b/scripts/src/machine.lua @@ -2673,6 +2673,8 @@ if (MACHINES["SPG2XX"]~=null) then MAME_DIR .. "src/devices/machine/spg110_video.h", MAME_DIR .. "src/devices/machine/sunplus_gcm394.cpp", MAME_DIR .. "src/devices/machine/sunplus_gcm394.h", + MAME_DIR .. "src/devices/machine/sunplus_gcm394_video.cpp", + MAME_DIR .. "src/devices/machine/sunplus_gcm394_video.h", } end diff --git a/src/devices/cpu/unsp/unsp_extended.cpp b/src/devices/cpu/unsp/unsp_extended.cpp index 28dca6d92e5..eacf1c281d4 100644 --- a/src/devices/cpu/unsp/unsp_extended.cpp +++ b/src/devices/cpu/unsp/unsp_extended.cpp @@ -47,6 +47,8 @@ void unsp_20_device::execute_extended_group(uint16_t op) // Ext Push/Pop if (ximm & 0x8000) { + // just skip for now, as nothing really even uses the extended registers yet + /* uint8_t rb = (ximm & 0x000f) >> 0; uint8_t size = (ximm & 0x7000) >> 12; uint8_t rx = (ximm & 0x0e00) >> 9; @@ -59,11 +61,14 @@ void unsp_20_device::execute_extended_group(uint16_t op) extregs[rx-size], extregs[rx], (rb & 0x8) ? extregs[rb & 0x7] : regs[rb & 0x7]); else logerror("(Ext) push <BAD>\n"); - - unimplemented_opcode(op, ximm); + */ + //unimplemented_opcode(op, ximm); + return; } else { + // just skip for now, as nothing really even uses the extended registers yet + /* uint8_t rb = (ximm & 0x000f) >> 0; uint8_t size = (ximm & 0x7000) >> 12; uint8_t rx = (ximm & 0x0e00) >> 9; @@ -71,14 +76,15 @@ void unsp_20_device::execute_extended_group(uint16_t op) if (size == 0) size = 8; size -= 1; + if ((rx-size) >= 0) logerror("(Ext) pop %s, %s from [%s]\n", extregs[rx-size], extregs[rx], (rb & 0x8) ? extregs[rb & 0x7] : regs[rb & 0x7]); else logerror("(Ext) pop <BAD>\n"); - - - unimplemented_opcode(op, ximm); + */ + //unimplemented_opcode(op, ximm); + return; } return; } diff --git a/src/devices/machine/sunplus_gcm394.cpp b/src/devices/machine/sunplus_gcm394.cpp index 712c6b475e5..468e55b7d16 100644 --- a/src/devices/machine/sunplus_gcm394.cpp +++ b/src/devices/machine/sunplus_gcm394.cpp @@ -9,6 +9,7 @@ #include "emu.h" #include "sunplus_gcm394.h" + #define LOG_GCM394 (1U << 1) #define LOG_GCM394_UNMAPPED (1U << 0) @@ -23,134 +24,8 @@ sunplus_gcm394_device::sunplus_gcm394_device(const machine_config &mconfig, cons { } -// **************************************** TILEMAP 0 ************************************************* - -READ16_MEMBER(sunplus_gcm394_base_device::tmap0_regs_r) { return tmap0_regs[offset]; } - -WRITE16_MEMBER(sunplus_gcm394_base_device::tmap0_regs_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_regs_w %01x %04x\n", machine().describe_context(), offset, data); - tmap0_regs[offset] = data; -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::tmap0_unk0_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::tmap0_unk1_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); -} - -// **************************************** TILEMAP 1 ************************************************* - -READ16_MEMBER(sunplus_gcm394_base_device::tmap1_regs_r) { return tmap1_regs[offset]; } - -WRITE16_MEMBER(sunplus_gcm394_base_device::tmap1_regs_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap1_regs_w %01x %04x\n", machine().describe_context(), offset, data); - tmap1_regs[offset] = data; -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::tmap1_unk0_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::tmap1_unk1_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); -} - -// **************************************** unknown video device 0 (another tilemap? sprite layer?) ************************************************* - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device0_regs_w) -{ - // offsets 0,1,4,5,6,7 used in main IRQ code - // offsets 2,3 only cleared on startup - - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device0_regs_w %01x %04x\n", machine().describe_context(), offset, data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device0_unk0_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device0_unk0_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device0_unk1_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device0_unk1_w %04x\n", machine().describe_context(), data); -} - -// **************************************** unknown video device 1 (another tilemap? sprite layer?) ************************************************* - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device1_regs_w) -{ - // offsets 0,1,4,5,6,7 used in main IRQ code - // offsets 2,3 only cleared on startup - - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device1_regs_w %01x %04x\n", machine().describe_context(), offset, data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device1_unk0_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device1_unk0_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device1_unk1_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device1_unk1_w %04x\n", machine().describe_context(), data); -} - -// **************************************** unknown video device 2 (sprite control?) ************************************************* - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device2_unk0_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device2_unk0_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device2_unk1_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device2_unk1_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device2_unk2_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device2_unk2_w %04x\n", machine().describe_context(), data); -} - -// **************************************** video DMA device ************************************************* - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_source_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_source_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_dest_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_dest_w %04x\n", machine().describe_context(), data); -} - -READ16_MEMBER(sunplus_gcm394_base_device::video_dma_size_r) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_size_r\n", machine().describe_context()); - return 0x0000; -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_size_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_size_w %04x\n", machine().describe_context(), data); -} - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_unk_w) -{ - LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_unk_w %04x\n", machine().describe_context(), data); -} -// *********************************************************************************** - // **************************************** SYSTEM DMA device ************************************************* @@ -210,33 +85,6 @@ WRITE16_MEMBER(sunplus_gcm394_base_device::system_dma_trigger_w) //machine().debug_break(); } -// single bit on/off operations? -READ16_MEMBER(sunplus_gcm394_base_device::video_707f_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_707f_r\n", machine().describe_context()); return m_707f; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_707f_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_707f_w %04x\n", machine().describe_context(), data); m_707f = data; } - -READ16_MEMBER(sunplus_gcm394_base_device::video_703a_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_703a_r\n", machine().describe_context()); return m_703a; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_703a_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_703a_w %04x\n", machine().describe_context(), data); m_703a = data; } - -READ16_MEMBER(sunplus_gcm394_base_device::video_7062_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7062_r\n", machine().describe_context()); return m_7062; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7062_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7062_w %04x\n", machine().describe_context(), data); m_7062 = data; } - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7063_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7063_w %04x\n", machine().describe_context(), data); m_7063 = data; } - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_702a_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_702a_w %04x\n", machine().describe_context(), data); m_702a = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7030_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7030_w %04x\n", machine().describe_context(), data); m_7030 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_703c_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_703c_w %04x\n", machine().describe_context(), data); m_703c = data; } - -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7080_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7080_w %04x\n", machine().describe_context(), data); m_7080 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7081_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7081_w %04x\n", machine().describe_context(), data); m_7081 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7082_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7082_w %04x\n", machine().describe_context(), data); m_7082 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7083_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7083_w %04x\n", machine().describe_context(), data); m_7083 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7084_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7084_w %04x\n", machine().describe_context(), data); m_7084 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7085_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7085_w %04x\n", machine().describe_context(), data); m_7085 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7086_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7086_w %04x\n", machine().describe_context(), data); m_7086 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7087_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7087_w %04x\n", machine().describe_context(), data); m_7087 = data; } -WRITE16_MEMBER(sunplus_gcm394_base_device::video_7088_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7088_w %04x\n", machine().describe_context(), data); m_7088 = data; } - -READ16_MEMBER(sunplus_gcm394_base_device::video_7083_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7083_r\n", machine().describe_context()); return m_7083; } // **************************************** 78xx region with some handling ************************************************* @@ -373,60 +221,60 @@ void sunplus_gcm394_base_device::map(address_map &map) // note, tilemaps are at the same address offsets in video device as spg2xx (but unknown devices are extra) - map(0x007000, 0x007007).w(FUNC(sunplus_gcm394_base_device::unknown_video_device0_regs_w)); // gcm394_video_device:: - map(0x007008, 0x00700f).w(FUNC(sunplus_gcm394_base_device::unknown_video_device1_regs_w)); // gcm394_video_device:: + map(0x007000, 0x007007).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device0_regs_w)); // gcm394_video_device:: + map(0x007008, 0x00700f).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device1_regs_w)); // gcm394_video_device:: - map(0x007010, 0x007015).rw(FUNC(sunplus_gcm394_base_device::tmap0_regs_r), FUNC(sunplus_gcm394_base_device::tmap0_regs_w)); // gcm394_video_device:: - map(0x007016, 0x00701b).rw(FUNC(sunplus_gcm394_base_device::tmap1_regs_r), FUNC(sunplus_gcm394_base_device::tmap1_regs_w)); // gcm394_video_device:: + map(0x007010, 0x007015).rw(m_spg_video, FUNC(gcm394_base_video_device::tmap0_regs_r), FUNC(gcm394_base_video_device::tmap0_regs_w)); // gcm394_video_device:: + map(0x007016, 0x00701b).rw(m_spg_video, FUNC(gcm394_base_video_device::tmap1_regs_r), FUNC(gcm394_base_video_device::tmap1_regs_w)); // gcm394_video_device:: - map(0x007020, 0x007020).w(FUNC(sunplus_gcm394_base_device::tmap0_unk0_w)); // gcm394_video_device:: probably tilebase, written with other tmap0 regs - map(0x007021, 0x007021).w(FUNC(sunplus_gcm394_base_device::tmap1_unk0_w)); // gcm394_video_device:: probably tilebase, written with other tmap1 regs - map(0x007022, 0x007022).w(FUNC(sunplus_gcm394_base_device::unknown_video_device2_unk0_w)); // gcm394_video_device:: another tilebase? maybe sprites? written as 7022, 702d and 7042 group - map(0x007023, 0x007023).w(FUNC(sunplus_gcm394_base_device::unknown_video_device0_unk0_w)); // gcm394_video_device:: written with other unknown_video_device0 regs - map(0x007024, 0x007024).w(FUNC(sunplus_gcm394_base_device::unknown_video_device1_unk0_w)); // gcm394_video_device:: written with other unknown_video_device1 regs + map(0x007020, 0x007020).w(m_spg_video, FUNC(gcm394_base_video_device::tmap0_unk0_w)); // gcm394_video_device:: probably tilebase, written with other tmap0 regs + map(0x007021, 0x007021).w(m_spg_video, FUNC(gcm394_base_video_device::tmap1_unk0_w)); // gcm394_video_device:: probably tilebase, written with other tmap1 regs + map(0x007022, 0x007022).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device2_unk0_w)); // gcm394_video_device:: another tilebase? maybe sprites? written as 7022, 702d and 7042 group + map(0x007023, 0x007023).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device0_unk0_w)); // gcm394_video_device:: written with other unknown_video_device0 regs + map(0x007024, 0x007024).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device1_unk0_w)); // gcm394_video_device:: written with other unknown_video_device1 regs - map(0x00702a, 0x00702a).w(FUNC(sunplus_gcm394_base_device::video_702a_w)); + map(0x00702a, 0x00702a).w(m_spg_video, FUNC(gcm394_base_video_device::video_702a_w)); - map(0x00702b, 0x00702b).w(FUNC(sunplus_gcm394_base_device::tmap0_unk1_w)); // gcm394_video_device:: written with other tmap0 regs - map(0x00702c, 0x00702c).w(FUNC(sunplus_gcm394_base_device::tmap1_unk1_w)); // gcm394_video_device:: written with other tmap1 regs - map(0x00702d, 0x00702d).w(FUNC(sunplus_gcm394_base_device::unknown_video_device2_unk1_w)); // gcm394_video_device:: maybe sprites? written as 7022, 702d and 7042 group - map(0x00702e, 0x00702e).w(FUNC(sunplus_gcm394_base_device::unknown_video_device0_unk1_w)); // gcm394_video_device:: written with other unknown_video_device0 regs - map(0x00702f, 0x00702f).w(FUNC(sunplus_gcm394_base_device::unknown_video_device1_unk1_w)); // gcm394_video_device:: written with other unknown_video_device1 regs + map(0x00702b, 0x00702b).w(m_spg_video, FUNC(gcm394_base_video_device::tmap0_unk1_w)); // gcm394_video_device:: written with other tmap0 regs + map(0x00702c, 0x00702c).w(m_spg_video, FUNC(gcm394_base_video_device::tmap1_unk1_w)); // gcm394_video_device:: written with other tmap1 regs + map(0x00702d, 0x00702d).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device2_unk1_w)); // gcm394_video_device:: maybe sprites? written as 7022, 702d and 7042 group + map(0x00702e, 0x00702e).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device0_unk1_w)); // gcm394_video_device:: written with other unknown_video_device0 regs + map(0x00702f, 0x00702f).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device1_unk1_w)); // gcm394_video_device:: written with other unknown_video_device1 regs - map(0x007030, 0x007030).w(FUNC(sunplus_gcm394_base_device::video_7030_w)); - map(0x00703a, 0x00703a).rw(FUNC(sunplus_gcm394_base_device::video_703a_r), FUNC(sunplus_gcm394_base_device::video_703a_w)); - map(0x00703c, 0x00703c).w(FUNC(sunplus_gcm394_base_device::video_703c_w)); + map(0x007030, 0x007030).rw(m_spg_video, FUNC(gcm394_base_video_device::video_7030_r), FUNC(gcm394_base_video_device::video_7030_w)); + map(0x00703a, 0x00703a).rw(m_spg_video, FUNC(gcm394_base_video_device::video_703a_r), FUNC(gcm394_base_video_device::video_703a_w)); + map(0x00703c, 0x00703c).w(m_spg_video, FUNC(gcm394_base_video_device::video_703c_w)); - map(0x007042, 0x007042).w(FUNC(sunplus_gcm394_base_device::unknown_video_device2_unk2_w)); // gcm394_video_device:: maybe sprites? written as 7022, 702d and 7042 group + map(0x007042, 0x007042).w(m_spg_video, FUNC(gcm394_base_video_device::unknown_video_device2_unk2_w)); // gcm394_video_device:: maybe sprites? written as 7022, 702d and 7042 group - map(0x007062, 0x007062).rw(FUNC(sunplus_gcm394_base_device::video_7062_r), FUNC(sunplus_gcm394_base_device::video_7062_w)); - map(0x007063, 0x007063).w(FUNC(sunplus_gcm394_base_device::video_7063_w)); + map(0x007062, 0x007062).rw(m_spg_video, FUNC(gcm394_base_video_device::video_7062_r), FUNC(gcm394_base_video_device::video_7062_w)); + map(0x007063, 0x007063).w(m_spg_video, FUNC(gcm394_base_video_device::video_7063_w)); // note, 70 / 71 / 72 are the same offsets used for DMA as in spg2xx video device - map(0x007070, 0x007070).w(FUNC(sunplus_gcm394_base_device::video_dma_source_w)); // gcm394_video_device:: video dma, not system dma? (sets pointers to ram buffers) - map(0x007071, 0x007071).w(FUNC(sunplus_gcm394_base_device::video_dma_dest_w)); // gcm394_video_device:: sets pointers to 7300, 7400 ram areas below - map(0x007072, 0x007072).rw(FUNC(sunplus_gcm394_base_device::video_dma_size_r), FUNC(sunplus_gcm394_base_device::video_dma_size_w)); // gcm394_video_device:: + map(0x007070, 0x007070).w(m_spg_video, FUNC(gcm394_base_video_device::video_dma_source_w)); // gcm394_video_device:: video dma, not system dma? (sets pointers to ram buffers) + map(0x007071, 0x007071).w(m_spg_video, FUNC(gcm394_base_video_device::video_dma_dest_w)); // gcm394_video_device:: sets pointers to 7300, 7400 ram areas below + map(0x007072, 0x007072).rw(m_spg_video, FUNC(gcm394_base_video_device::video_dma_size_r), FUNC(gcm394_base_video_device::video_dma_size_w)); // gcm394_video_device:: - map(0x00707e, 0x00707e).w(FUNC(sunplus_gcm394_base_device::video_dma_unk_w)); // gcm394_video_device:: written around same time as DMA, seems related + map(0x00707e, 0x00707e).w(m_spg_video, FUNC(gcm394_base_video_device::video_dma_unk_w)); // gcm394_video_device:: written around same time as DMA, seems related - map(0x00707f, 0x00707f).rw(FUNC(sunplus_gcm394_base_device::video_707f_r), FUNC(sunplus_gcm394_base_device::video_707f_w)); + map(0x00707f, 0x00707f).rw(m_spg_video, FUNC(gcm394_base_video_device::video_707f_r), FUNC(gcm394_base_video_device::video_707f_w)); // another set of registers for something? - map(0x007080, 0x007080).w(FUNC(sunplus_gcm394_base_device::video_7080_w)); - map(0x007081, 0x007081).w(FUNC(sunplus_gcm394_base_device::video_7081_w)); - map(0x007082, 0x007082).w(FUNC(sunplus_gcm394_base_device::video_7082_w)); - map(0x007083, 0x007083).rw(FUNC(sunplus_gcm394_base_device::video_7083_r), FUNC(sunplus_gcm394_base_device::video_7083_w)); - map(0x007084, 0x007084).w(FUNC(sunplus_gcm394_base_device::video_7084_w)); - map(0x007085, 0x007085).w(FUNC(sunplus_gcm394_base_device::video_7085_w)); - map(0x007086, 0x007086).w(FUNC(sunplus_gcm394_base_device::video_7086_w)); - map(0x007087, 0x007087).w(FUNC(sunplus_gcm394_base_device::video_7087_w)); - map(0x007088, 0x007088).w(FUNC(sunplus_gcm394_base_device::video_7088_w)); + map(0x007080, 0x007080).w(m_spg_video, FUNC(gcm394_base_video_device::video_7080_w)); + map(0x007081, 0x007081).w(m_spg_video, FUNC(gcm394_base_video_device::video_7081_w)); + map(0x007082, 0x007082).w(m_spg_video, FUNC(gcm394_base_video_device::video_7082_w)); + map(0x007083, 0x007083).rw(m_spg_video, FUNC(gcm394_base_video_device::video_7083_r), FUNC(gcm394_base_video_device::video_7083_w)); + map(0x007084, 0x007084).w(m_spg_video, FUNC(gcm394_base_video_device::video_7084_w)); + map(0x007085, 0x007085).w(m_spg_video, FUNC(gcm394_base_video_device::video_7085_w)); + map(0x007086, 0x007086).w(m_spg_video, FUNC(gcm394_base_video_device::video_7086_w)); + map(0x007087, 0x007087).w(m_spg_video, FUNC(gcm394_base_video_device::video_7087_w)); + map(0x007088, 0x007088).w(m_spg_video, FUNC(gcm394_base_video_device::video_7088_w)); // ###################################################################################################################################################################################### // 73xx-77xx = ram areas? // ###################################################################################################################################################################################### - map(0x007300, 0x0073ff).ram(); + map(0x007300, 0x0073ff).ram().share("spgvideo:paletteram"); map(0x007400, 0x0074ff).ram(); map(0x007500, 0x0075ff).ram(); map(0x007600, 0x0076ff).ram(); @@ -525,39 +373,11 @@ void sunplus_gcm394_base_device::device_start() void sunplus_gcm394_base_device::device_reset() { - // 70xx video - for (int i = 0; i < 7; i++) { m_dma_params[i] = 0x0000; } - for (int i = 0; i < 6; i++) - { - tmap0_regs[i] = 0x0000; - tmap1_regs[i] = 0x0000; - } - - m_707f = 0x0000; - m_703a = 0x0000; - m_7062 = 0x0000; - m_7063 = 0x0000; - - m_702a = 0x0000; - m_7030 = 0x0000; - m_703c = 0x0000; - - - m_7080 = 0x0000; - m_7081 = 0x0000; - m_7082 = 0x0000; - m_7083 = 0x0000; - m_7084 = 0x0000; - m_7085 = 0x0000; - m_7086 = 0x0000; - m_7087 = 0x0000; - m_7088 = 0x0000; - // 78xx unknown m_78fb = 0x0000; @@ -619,9 +439,21 @@ void sunplus_gcm394_base_device::device_reset() } -void sunplus_gcm394_device::device_add_mconfig(machine_config &config) +WRITE_LINE_MEMBER(sunplus_gcm394_base_device::videoirq_w) +{ + m_cpu->set_state_unsynced(UNSP_IRQ5_LINE, state); +} + +void sunplus_gcm394_base_device::device_add_mconfig(machine_config &config) { //SUNPLUS_GCM394_AUDIO(config, m_spg_audio, DERIVED_CLOCK(1, 1)); //m_spg_audio->add_route(0, *this, 1.0, AUTO_ALLOC_INPUT, 0); //m_spg_audio->add_route(1, *this, 1.0, AUTO_ALLOC_INPUT, 1); + + GCM394_VIDEO(config, m_spg_video, DERIVED_CLOCK(1, 1), m_cpu, m_screen); + m_spg_video->write_video_irq_callback().set(FUNC(sunplus_gcm394_base_device::videoirq_w)); + + } + + diff --git a/src/devices/machine/sunplus_gcm394.h b/src/devices/machine/sunplus_gcm394.h index d767cbb9f2f..54d433addc1 100644 --- a/src/devices/machine/sunplus_gcm394.h +++ b/src/devices/machine/sunplus_gcm394.h @@ -13,6 +13,8 @@ #include "cpu/unsp/unsp.h" #include "screen.h" +#include "emupal.h" +#include "sunplus_gcm394_video.h" class sunplus_gcm394_base_device : public device_t, public device_mixer_interface { @@ -22,13 +24,18 @@ public: , device_mixer_interface(mconfig, *this, 2) , m_cpu(*this, finder_base::DUMMY_TAG) , m_screen(*this, finder_base::DUMMY_TAG) + //, m_palette(*this, "palette") + , m_spg_video(*this, "spgvideo") { } void map(address_map &map); - DECLARE_WRITE_LINE_MEMBER(vblank) { /*m_spg_video->vblank(state);*/ } - uint32_t screen_update(screen_device& screen, bitmap_rgb32& bitmap, const rectangle& cliprect) { return 0; /* m_spg_video->screen_update(screen, bitmap, cliprect);*/ } + uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) { return m_spg_video->screen_update(screen, bitmap, cliprect); } + + DECLARE_WRITE_LINE_MEMBER(vblank) { m_spg_video->vblank(state); } + + virtual void device_add_mconfig(machine_config& config) override; protected: @@ -37,31 +44,10 @@ protected: required_device<unsp_device> m_cpu; required_device<screen_device> m_screen; - - // video 70xx - uint16_t tmap0_regs[0x6]; - uint16_t tmap1_regs[0x6]; + //required_device<palette_device> m_palette; + required_device<gcm394_video_device> m_spg_video; uint16_t m_dma_params[7]; - uint16_t m_707f; - uint16_t m_703a; - uint16_t m_7062; - uint16_t m_7063; - - uint16_t m_702a; - uint16_t m_7030; - uint16_t m_703c; - - - uint16_t m_7080; - uint16_t m_7081; - uint16_t m_7082; - uint16_t m_7083; - uint16_t m_7084; - uint16_t m_7085; - uint16_t m_7086; - uint16_t m_7087; - uint16_t m_7088; // unk 78xx uint16_t m_7803; @@ -130,60 +116,6 @@ private: DECLARE_READ16_MEMBER(unk_r); DECLARE_WRITE16_MEMBER(unk_w); - DECLARE_READ16_MEMBER(tmap0_regs_r); - DECLARE_WRITE16_MEMBER(tmap0_regs_w); - DECLARE_WRITE16_MEMBER(tmap0_unk0_w); - DECLARE_WRITE16_MEMBER(tmap0_unk1_w); - - DECLARE_READ16_MEMBER(tmap1_regs_r); - DECLARE_WRITE16_MEMBER(tmap1_regs_w); - DECLARE_WRITE16_MEMBER(tmap1_unk0_w); - DECLARE_WRITE16_MEMBER(tmap1_unk1_w); - - DECLARE_WRITE16_MEMBER(unknown_video_device0_regs_w); - DECLARE_WRITE16_MEMBER(unknown_video_device0_unk0_w); - DECLARE_WRITE16_MEMBER(unknown_video_device0_unk1_w); - - DECLARE_WRITE16_MEMBER(unknown_video_device1_regs_w); - DECLARE_WRITE16_MEMBER(unknown_video_device1_unk0_w); - DECLARE_WRITE16_MEMBER(unknown_video_device1_unk1_w); - - DECLARE_WRITE16_MEMBER(unknown_video_device2_unk0_w); - DECLARE_WRITE16_MEMBER(unknown_video_device2_unk1_w); - DECLARE_WRITE16_MEMBER(unknown_video_device2_unk2_w); - - DECLARE_WRITE16_MEMBER(video_dma_source_w); - DECLARE_WRITE16_MEMBER(video_dma_dest_w); - DECLARE_READ16_MEMBER(video_dma_size_r); - DECLARE_WRITE16_MEMBER(video_dma_size_w); - DECLARE_WRITE16_MEMBER(video_dma_unk_w); - - DECLARE_READ16_MEMBER(video_703a_r); - DECLARE_WRITE16_MEMBER(video_703a_w); - - DECLARE_READ16_MEMBER(video_7062_r); - DECLARE_WRITE16_MEMBER(video_7062_w); - - DECLARE_WRITE16_MEMBER(video_7063_w); - - DECLARE_WRITE16_MEMBER(video_702a_w); - DECLARE_WRITE16_MEMBER(video_7030_w); - DECLARE_WRITE16_MEMBER(video_703c_w); - - DECLARE_READ16_MEMBER(video_707f_r); - DECLARE_WRITE16_MEMBER(video_707f_w); - - DECLARE_WRITE16_MEMBER(video_7080_w); - DECLARE_WRITE16_MEMBER(video_7081_w); - DECLARE_WRITE16_MEMBER(video_7082_w); - DECLARE_WRITE16_MEMBER(video_7083_w); - DECLARE_WRITE16_MEMBER(video_7084_w); - DECLARE_WRITE16_MEMBER(video_7085_w); - DECLARE_WRITE16_MEMBER(video_7086_w); - DECLARE_WRITE16_MEMBER(video_7087_w); - DECLARE_WRITE16_MEMBER(video_7088_w); - - DECLARE_READ16_MEMBER(video_7083_r); DECLARE_WRITE16_MEMBER(system_dma_params_w); DECLARE_WRITE16_MEMBER(system_dma_trigger_w); @@ -265,8 +197,7 @@ private: DECLARE_READ16_MEMBER(unkarea_7936_r); DECLARE_WRITE16_MEMBER(unkarea_7936_w); - - + DECLARE_WRITE_LINE_MEMBER(videoirq_w); }; class sunplus_gcm394_device : public sunplus_gcm394_base_device @@ -281,8 +212,6 @@ public: } sunplus_gcm394_device(const machine_config& mconfig, const char* tag, device_t* owner, uint32_t clock); - - virtual void device_add_mconfig(machine_config& config) override; }; diff --git a/src/devices/machine/sunplus_gcm394_video.cpp b/src/devices/machine/sunplus_gcm394_video.cpp new file mode 100644 index 00000000000..a4f7096e2e8 --- /dev/null +++ b/src/devices/machine/sunplus_gcm394_video.cpp @@ -0,0 +1,522 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz, David Haywood +/***************************************************************************** + + SunPlus GCM394-series SoC peripheral emulation (Video) + +**********************************************************************/ + +#include "emu.h" +#include "sunplus_gcm394_video.h" + +DEFINE_DEVICE_TYPE(GCM394_VIDEO, gcm394_video_device, "gcm394_video", "GCM394-series System-on-a-Chip (Video)") + +#define LOG_GCM394_TMAP (1U << 2) +#define LOG_GCM394 (1U << 1) + +#define VERBOSE (LOG_GCM394_TMAP) + +#include "logmacro.h" + + +gcm394_base_video_device::gcm394_base_video_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, type, tag, owner, clock) + , m_cpu(*this, finder_base::DUMMY_TAG) + , m_screen(*this, finder_base::DUMMY_TAG) +// , m_scrollram(*this, "scrollram") + , m_paletteram(*this, "paletteram") +// , m_spriteram(*this, "spriteram") + , m_video_irq_cb(*this) +{ +} + +gcm394_video_device::gcm394_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) + : gcm394_base_video_device(mconfig, GCM394_VIDEO, tag, owner, clock) +{ +} + +void gcm394_base_video_device::device_start() +{ + for (uint8_t i = 0; i < 32; i++) + { + m_rgb5_to_rgb8[i] = (i << 3) | (i >> 2); + } + for (uint16_t i = 0; i < 0x8000; i++) + { + m_rgb555_to_rgb888[i] = (m_rgb5_to_rgb8[(i >> 10) & 0x1f] << 16) | + (m_rgb5_to_rgb8[(i >> 5) & 0x1f] << 8) | + (m_rgb5_to_rgb8[(i >> 0) & 0x1f] << 0); + } + + m_video_irq_cb.resolve(); + +} + +void gcm394_base_video_device::device_reset() +{ + for (int i = 0; i < 6; i++) + { + m_tmap0_regs[i] = 0x0000; + m_tmap1_regs[i] = 0x0000; + } + + m_707f = 0x0000; + m_703a = 0x0000; + m_7062 = 0x0000; + m_7063 = 0x0000; + + m_702a = 0x0000; + m_7030 = 0x0000; + m_703c = 0x0000; + + + m_7080 = 0x0000; + m_7081 = 0x0000; + m_7082 = 0x0000; + m_7083 = 0x0000; + m_7084 = 0x0000; + m_7085 = 0x0000; + m_7086 = 0x0000; + m_7087 = 0x0000; + m_7088 = 0x0000; + + m_video_irq_status = 0x0000; + +} + +/************************* +* Video Hardware * +*************************/ + +inline uint16_t gcm394_base_video_device::read_data(uint32_t offset) +{ + address_space &space = m_cpu->space(AS_PROGRAM); + uint16_t b = space.read_word(offset); + return b; +} + + +template<gcm394_base_video_device::blend_enable_t Blend, gcm394_base_video_device::rowscroll_enable_t RowScroll, gcm394_base_video_device::flipx_t FlipX> +void gcm394_base_video_device::draw(const rectangle &cliprect, uint32_t line, uint32_t xoff, uint32_t yoff, uint32_t bitmap_addr, uint16_t tile, int32_t h, int32_t w, uint8_t bpp, uint32_t yflipmask, uint32_t palette_offset) +{ + uint32_t nc_bpp = ((bpp) + 1) << 1; + + palette_offset >>= nc_bpp; + palette_offset <<= nc_bpp; + + uint32_t bits_per_row = nc_bpp * w / 16; + uint32_t words_per_tile = bits_per_row * h; + uint32_t m = bitmap_addr + words_per_tile * tile + bits_per_row * (line ^ yflipmask); + uint32_t bits = 0; + uint32_t nbits = 0; + uint32_t y = line; + + int yy = (yoff + y) & 0x1ff; + if (yy >= 0x01c0) + yy -= 0x0200; + + if (yy > 240 || yy < 0) + return; + + int y_index = yy * 320; + + for (int32_t x = FlipX ? (w - 1) : 0; FlipX ? x >= 0 : x < w; FlipX ? x-- : x++) + { + int xx = xoff + x; + + bits <<= nc_bpp; + + if (nbits < nc_bpp) + { + uint16_t b = read_data((m++ & 0x3fffff)); + b = (b << 8) | (b >> 8); + bits |= b << (nc_bpp - nbits); + nbits += 16; + } + nbits -= nc_bpp; + + uint32_t pal = palette_offset + (bits >> 16); + bits &= 0xffff; + + if (RowScroll) + xx -= 0;// (int16_t)m_scrollram[yy & 0x1ff]; + + xx &= 0x01ff; + if (xx >= 0x01c0) + xx -= 0x0200; + + if (xx >= 0 && xx < 320) + { + int pix_index = xx + y_index; + + uint16_t rgb = m_paletteram[pal]; + + if (!(rgb & 0x8000)) + { + if (Blend) + { + /* + m_screenbuf[pix_index] = (mix_channel((uint8_t)(m_screenbuf[pix_index] >> 16), m_rgb5_to_rgb8[(rgb >> 10) & 0x1f]) << 16) | + (mix_channel((uint8_t)(m_screenbuf[pix_index] >> 8), m_rgb5_to_rgb8[(rgb >> 5) & 0x1f]) << 8) | + (mix_channel((uint8_t)(m_screenbuf[pix_index] >> 0), m_rgb5_to_rgb8[rgb & 0x1f])); + */ + m_screenbuf[pix_index] = m_rgb555_to_rgb888[rgb]; + } + else + { + m_screenbuf[pix_index] = m_rgb555_to_rgb888[rgb]; + } + } + } + } +} + +void gcm394_base_video_device::draw_page(const rectangle &cliprect, uint32_t scanline, int priority, uint32_t bitmap_addr, uint16_t *regs) +{ + uint32_t xscroll = regs[0]; + uint32_t yscroll = regs[1]; + uint32_t attr = regs[2]; + uint32_t ctrl = regs[3]; + uint32_t tilemap = regs[4]; + uint32_t palette_map = regs[5]; + address_space &space = m_cpu->space(AS_PROGRAM); + + if (!(ctrl & PAGE_ENABLE_MASK)) + { + return; + } + + if (((attr & PAGE_PRIORITY_FLAG_MASK) >> PAGE_PRIORITY_FLAG_SHIFT) != priority) + { + return; + } + + uint32_t tile_h = 8 << ((attr & PAGE_TILE_HEIGHT_MASK) >> PAGE_TILE_HEIGHT_SHIFT); + uint32_t tile_w = 8 << ((attr & PAGE_TILE_WIDTH_MASK) >> PAGE_TILE_WIDTH_SHIFT); + + uint32_t tile_count_x = 512 / tile_w; + + uint32_t bitmap_y = (scanline + yscroll) & 0xff; + uint32_t y0 = bitmap_y / tile_h; + uint32_t tile_scanline = bitmap_y % tile_h; + uint32_t tile_address = tile_count_x * y0; + + for (uint32_t x0 = 0; x0 < tile_count_x; x0++, tile_address++) + { + uint32_t yy = ((tile_h * y0 - yscroll + 0x10) & 0xff) - 0x10; + uint32_t xx = (tile_w * x0 - xscroll) & 0x1ff; + uint16_t tile = (ctrl & PAGE_WALLPAPER_MASK) ? space.read_word(tilemap) : space.read_word(tilemap + tile_address); + uint16_t palette = 0; + + if (!tile) + continue; + + palette = (ctrl & PAGE_WALLPAPER_MASK) ? space.read_word(palette_map) : space.read_word(palette_map + tile_address / 2); + if (x0 & 1) + palette >>= 8; + + uint32_t tileattr = attr; + uint32_t tilectrl = ctrl; + if ((ctrl & 2) == 0) + { // -(1) bld(1) flip(2) pal(4) + tileattr &= ~0x000c; + tileattr |= (palette >> 2) & 0x000c; // flip + + tileattr &= ~0x0f00; + tileattr |= (palette << 8) & 0x0f00; // palette + + tilectrl &= ~0x0100; + tilectrl |= (palette << 2) & 0x0100; // blend + } + + const bool blend = (tileattr & 0x4000 || tilectrl & 0x0100); + const bool row_scroll = (tilectrl & 0x0010); + const bool flip_x = (tileattr & TILE_X_FLIP); + const uint32_t yflipmask = tileattr & TILE_Y_FLIP ? tile_h - 1 : 0; + const uint32_t palette_offset = (tileattr & 0x0f00) >> 4; + + const uint8_t bpp = tileattr & 0x0003; + + if (blend) + { + if (row_scroll) + { + if (flip_x) + draw<BlendOn, RowScrollOn, FlipXOn>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + else + draw<BlendOn, RowScrollOn, FlipXOff>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + } + else + { + if (flip_x) + draw<BlendOn, RowScrollOff, FlipXOn>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + else + draw<BlendOn, RowScrollOff, FlipXOff>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + } + } + else + { + if (row_scroll) + { + if (flip_x) + draw<BlendOff, RowScrollOn, FlipXOn>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + else + draw<BlendOff, RowScrollOn, FlipXOff>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + } + else + { + if (flip_x) + draw<BlendOff, RowScrollOff, FlipXOn>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + else + draw<BlendOff, RowScrollOff, FlipXOff>(cliprect, tile_scanline, xx, yy, bitmap_addr, tile, tile_h, tile_w, bpp, yflipmask, palette_offset); + } + } + } +} + +uint32_t gcm394_base_video_device::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect) +{ + memset(&m_screenbuf[320 * cliprect.min_y], 0, 4 * 320 * ((cliprect.max_y - cliprect.min_y) + 1)); + + const uint32_t page1_addr = 0x40 * m_page1_addr; + const uint32_t page2_addr = 0x40 * m_page2_addr; + uint16_t* page1_regs = m_tmap0_regs; + uint16_t* page2_regs = m_tmap1_regs; + + for (uint32_t scanline = (uint32_t)cliprect.min_y; scanline <= (uint32_t)cliprect.max_y; scanline++) + { + for (int i = 0; i < 4; i++) + { + draw_page(cliprect, scanline, i, page1_addr, page1_regs); + draw_page(cliprect, scanline, i, page2_addr, page2_regs); + } + } + + for (int y = cliprect.min_y; y <= cliprect.max_y; y++) + { + uint32_t *dest = &bitmap.pix32(y, cliprect.min_x); + uint32_t *src = &m_screenbuf[cliprect.min_x + 320 * y]; + memcpy(dest, src, sizeof(uint32_t) * ((cliprect.max_x - cliprect.min_x) + 1)); + } + + return 0; +} + + +void gcm394_base_video_device::write_tmap_regs(int tmap, uint16_t* regs, int offset, uint16_t data) +{ + switch (offset) + { + case 0x0: // Page X scroll + LOGMASKED(LOG_GCM394_TMAP, "write_tmap_regs: Page %d X Scroll = %04x\n", tmap, data & 0x01ff); + regs[offset] = data & 0x01ff; + break; + + case 0x1: // Page Y scroll + LOGMASKED(LOG_GCM394_TMAP, "write_tmap_regs: Page %d Y Scroll = %04x\n", tmap, data & 0x00ff); + regs[offset] = data & 0x00ff; + break; + + case 0x2: // Page Attributes + LOGMASKED(LOG_GCM394_TMAP, "write_tmap_regs: Page %d Attributes = %04x (Depth:%d, Palette:%d, VSize:%d, HSize:%d, FlipY:%d, FlipX:%d, BPP:%d)\n", tmap, data + , (data >> 12) & 3, (data >> 8) & 15, 8 << ((data >> 6) & 3), 8 << ((data >> 4) & 3), BIT(data, 3), BIT(data, 2), 2 * ((data & 3) + 1)); + regs[offset] = data; + break; + + case 0x3: // Page Control + LOGMASKED(LOG_GCM394_TMAP, "write_tmap_regs: Page %d Control = %04x (Blend:%d, HiColor:%d, RowScroll:%d, Enable:%d, Wallpaper:%d, RegSet:%d, Bitmap:%d)\n", tmap, data + , BIT(data, 8), BIT(data, 7), BIT(data, 4), BIT(data, 3), BIT(data, 2), BIT(data, 1), BIT(data, 0)); + regs[offset] = data; + break; + + case 0x4: // Page Tile Address + LOGMASKED(LOG_GCM394_TMAP, "write_tmap_regs: Page %d Tile Address = %04x\n", tmap, data & 0x1fff); + regs[offset] = data; + break; + + case 0x5: // Page Attribute write_tmap_regs + LOGMASKED(LOG_GCM394_TMAP, "write_tmap_regs: Page %d Attribute Address = %04x\n", tmap, data & 0x1fff); + regs[offset] = data; + break; + } +} + +// **************************************** TILEMAP 0 ************************************************* + +READ16_MEMBER(gcm394_base_video_device::tmap0_regs_r) { return m_tmap0_regs[offset]; } + +WRITE16_MEMBER(gcm394_base_video_device::tmap0_regs_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::tmap1_regs_w %01x %04x\n", machine().describe_context(), offset, data); + write_tmap_regs(0, m_tmap0_regs, offset, data); +} + +WRITE16_MEMBER(gcm394_base_video_device::tmap0_unk0_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); + m_page1_addr = data; +} + +WRITE16_MEMBER(gcm394_base_video_device::tmap0_unk1_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); + m_page2_addr = data; +} + +// **************************************** TILEMAP 1 ************************************************* + +READ16_MEMBER(gcm394_base_video_device::tmap1_regs_r) { return m_tmap1_regs[offset]; } + +WRITE16_MEMBER(gcm394_base_video_device::tmap1_regs_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::tmap1_regs_w %01x %04x\n", machine().describe_context(), offset, data); + write_tmap_regs(1, m_tmap1_regs, offset, data); +} + +WRITE16_MEMBER(gcm394_base_video_device::tmap1_unk0_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::tmap1_unk1_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::tmap0_unk0_w %04x\n", machine().describe_context(), data); +} + +// **************************************** unknown video device 0 (another tilemap? sprite layer?) ************************************************* + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device0_regs_w) +{ + // offsets 0,1,4,5,6,7 used in main IRQ code + // offsets 2,3 only cleared on startup + + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device0_regs_w %01x %04x\n", machine().describe_context(), offset, data); +} + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device0_unk0_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device0_unk0_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device0_unk1_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device0_unk1_w %04x\n", machine().describe_context(), data); +} + +// **************************************** unknown video device 1 (another tilemap? sprite layer?) ************************************************* + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device1_regs_w) +{ + // offsets 0,1,4,5,6,7 used in main IRQ code + // offsets 2,3 only cleared on startup + + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device1_regs_w %01x %04x\n", machine().describe_context(), offset, data); +} + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device1_unk0_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device1_unk0_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device1_unk1_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device1_unk1_w %04x\n", machine().describe_context(), data); +} + +// **************************************** unknown video device 2 (sprite control?) ************************************************* + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device2_unk0_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device2_unk0_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device2_unk1_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device2_unk1_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::unknown_video_device2_unk2_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::unknown_video_device2_unk2_w %04x\n", machine().describe_context(), data); +} + +// **************************************** video DMA device ************************************************* + +WRITE16_MEMBER(gcm394_base_video_device::video_dma_source_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_dma_source_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::video_dma_dest_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_dma_dest_w %04x\n", machine().describe_context(), data); +} + +READ16_MEMBER(gcm394_base_video_device::video_dma_size_r) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_dma_size_r\n", machine().describe_context()); + return 0x0000; +} + +WRITE16_MEMBER(gcm394_base_video_device::video_dma_size_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_dma_size_w %04x\n", machine().describe_context(), data); +} + +WRITE16_MEMBER(gcm394_base_video_device::video_dma_unk_w) +{ + LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_dma_unk_w %04x\n", machine().describe_context(), data); +} + +READ16_MEMBER(gcm394_base_video_device::video_707f_r) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_707f_r\n", machine().describe_context()); return m_707f; } +WRITE16_MEMBER(gcm394_base_video_device::video_707f_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_707f_w %04x\n", machine().describe_context(), data); m_707f = data; } + +READ16_MEMBER(gcm394_base_video_device::video_703a_r) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_703a_r\n", machine().describe_context()); return m_703a; } +WRITE16_MEMBER(gcm394_base_video_device::video_703a_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_703a_w %04x\n", machine().describe_context(), data); m_703a = data; } + +READ16_MEMBER(gcm394_base_video_device::video_7062_r) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7062_r\n", machine().describe_context()); return m_7062; } +WRITE16_MEMBER(gcm394_base_video_device::video_7062_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7062_w %04x\n", machine().describe_context(), data); m_7062 = data; } + +WRITE16_MEMBER(gcm394_base_video_device::video_7063_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7063_w %04x\n", machine().describe_context(), data); m_7063 = data; } + +WRITE16_MEMBER(gcm394_base_video_device::video_702a_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_702a_w %04x\n", machine().describe_context(), data); m_702a = data; } + +// read in IRQ +READ16_MEMBER(gcm394_base_video_device::video_7030_r) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7030_r\n", machine().describe_context()); return m_7030; } +WRITE16_MEMBER(gcm394_base_video_device::video_7030_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7030_w %04x\n", machine().describe_context(), data); m_7030 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_703c_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_703c_w %04x\n", machine().describe_context(), data); m_703c = data; } + +WRITE16_MEMBER(gcm394_base_video_device::video_7080_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7080_w %04x\n", machine().describe_context(), data); m_7080 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7081_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7081_w %04x\n", machine().describe_context(), data); m_7081 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7082_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7082_w %04x\n", machine().describe_context(), data); m_7082 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7083_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7083_w %04x\n", machine().describe_context(), data); m_7083 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7084_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7084_w %04x\n", machine().describe_context(), data); m_7084 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7085_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7085_w %04x\n", machine().describe_context(), data); m_7085 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7086_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7086_w %04x\n", machine().describe_context(), data); m_7086 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7087_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7087_w %04x\n", machine().describe_context(), data); m_7087 = data; } +WRITE16_MEMBER(gcm394_base_video_device::video_7088_w) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7088_w %04x\n", machine().describe_context(), data); m_7088 = data; } + +READ16_MEMBER(gcm394_base_video_device::video_7083_r) { LOGMASKED(LOG_GCM394, "%s:gcm394_base_video_device::video_7083_r\n", machine().describe_context()); return m_7083; } + +void gcm394_base_video_device::check_video_irq() +{ + m_video_irq_cb((m_video_irq_status & 1) ? ASSERT_LINE : CLEAR_LINE); +} + +WRITE_LINE_MEMBER(gcm394_base_video_device::vblank) +{ + int i = 0x0001; + + if (!state) + { + m_video_irq_status &= ~i; + check_video_irq(); + return; + } + + //if (m_video_irq_enable & 1) + { + m_video_irq_status |= i; + check_video_irq(); + } +} diff --git a/src/devices/machine/sunplus_gcm394_video.h b/src/devices/machine/sunplus_gcm394_video.h new file mode 100644 index 00000000000..05a703f9f47 --- /dev/null +++ b/src/devices/machine/sunplus_gcm394_video.h @@ -0,0 +1,201 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz, David Haywood +/***************************************************************************** + + SunPlus GCM394-series SoC peripheral emulation (Video) + +**********************************************************************/ + +#ifndef MAME_MACHINE_GCM394_VIDEO_H +#define MAME_MACHINE_GCM394_VIDEO_H + +#pragma once + +#include "cpu/unsp/unsp.h" +#include "screen.h" + +class gcm394_base_video_device : public device_t +{ +public: + gcm394_base_video_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + uint32_t screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect); + DECLARE_WRITE_LINE_MEMBER(vblank); + +// DECLARE_READ16_MEMBER(video_r); +// DECLARE_WRITE16_MEMBER(video_w); + + void write_tmap_regs(int tmap, uint16_t* regs, int offset, uint16_t data); + + DECLARE_READ16_MEMBER(tmap0_regs_r); + DECLARE_WRITE16_MEMBER(tmap0_regs_w); + DECLARE_WRITE16_MEMBER(tmap0_unk0_w); + DECLARE_WRITE16_MEMBER(tmap0_unk1_w); + + DECLARE_READ16_MEMBER(tmap1_regs_r); + DECLARE_WRITE16_MEMBER(tmap1_regs_w); + DECLARE_WRITE16_MEMBER(tmap1_unk0_w); + DECLARE_WRITE16_MEMBER(tmap1_unk1_w); + + DECLARE_WRITE16_MEMBER(unknown_video_device0_regs_w); + DECLARE_WRITE16_MEMBER(unknown_video_device0_unk0_w); + DECLARE_WRITE16_MEMBER(unknown_video_device0_unk1_w); + + DECLARE_WRITE16_MEMBER(unknown_video_device1_regs_w); + DECLARE_WRITE16_MEMBER(unknown_video_device1_unk0_w); + DECLARE_WRITE16_MEMBER(unknown_video_device1_unk1_w); + + DECLARE_WRITE16_MEMBER(unknown_video_device2_unk0_w); + DECLARE_WRITE16_MEMBER(unknown_video_device2_unk1_w); + DECLARE_WRITE16_MEMBER(unknown_video_device2_unk2_w); + + DECLARE_WRITE16_MEMBER(video_dma_source_w); + DECLARE_WRITE16_MEMBER(video_dma_dest_w); + DECLARE_READ16_MEMBER(video_dma_size_r); + DECLARE_WRITE16_MEMBER(video_dma_size_w); + DECLARE_WRITE16_MEMBER(video_dma_unk_w); + + DECLARE_READ16_MEMBER(video_703a_r); + DECLARE_WRITE16_MEMBER(video_703a_w); + + DECLARE_READ16_MEMBER(video_7062_r); + DECLARE_WRITE16_MEMBER(video_7062_w); + + DECLARE_WRITE16_MEMBER(video_7063_w); + + DECLARE_WRITE16_MEMBER(video_702a_w); + DECLARE_READ16_MEMBER(video_7030_r); + DECLARE_WRITE16_MEMBER(video_7030_w); + DECLARE_WRITE16_MEMBER(video_703c_w); + + + DECLARE_READ16_MEMBER(video_707f_r); + DECLARE_WRITE16_MEMBER(video_707f_w); + + DECLARE_WRITE16_MEMBER(video_7080_w); + DECLARE_WRITE16_MEMBER(video_7081_w); + DECLARE_WRITE16_MEMBER(video_7082_w); + DECLARE_WRITE16_MEMBER(video_7083_w); + DECLARE_WRITE16_MEMBER(video_7084_w); + DECLARE_WRITE16_MEMBER(video_7085_w); + DECLARE_WRITE16_MEMBER(video_7086_w); + DECLARE_WRITE16_MEMBER(video_7087_w); + DECLARE_WRITE16_MEMBER(video_7088_w); + + DECLARE_READ16_MEMBER(video_7083_r); + + + auto write_video_irq_callback() { return m_video_irq_cb.bind(); }; + +protected: + + enum + { + PAGE_ENABLE_MASK = 0x0008, + PAGE_WALLPAPER_MASK = 0x0004, + + SPRITE_ENABLE_MASK = 0x0001, + SPRITE_COORD_TL_MASK = 0x0002, + + PAGE_PRIORITY_FLAG_MASK = 0x3000, + PAGE_PRIORITY_FLAG_SHIFT = 12, + PAGE_TILE_HEIGHT_MASK = 0x00c0, + PAGE_TILE_HEIGHT_SHIFT = 6, + PAGE_TILE_WIDTH_MASK = 0x0030, + PAGE_TILE_WIDTH_SHIFT = 4, + TILE_X_FLIP = 0x0004, + TILE_Y_FLIP = 0x0008 + }; + + + inline void check_video_irq(); + + + virtual void device_start() override; + virtual void device_reset() override; + + enum blend_enable_t : bool + { + BlendOff = false, + BlendOn = true + }; + + enum rowscroll_enable_t : bool + { + RowScrollOff = false, + RowScrollOn = true + }; + + enum flipx_t : bool + { + FlipXOff = false, + FlipXOn = true + }; + + template<blend_enable_t Blend, rowscroll_enable_t RowScroll, flipx_t FlipX> + void draw(const rectangle &cliprect, uint32_t line, uint32_t xoff, uint32_t yoff, uint32_t bitmap_addr, uint16_t tile, int32_t h, int32_t w, uint8_t bpp, uint32_t yflipmask, uint32_t palette_offset); + void draw_page(const rectangle &cliprect, uint32_t scanline, int priority, uint32_t bitmap_addr, uint16_t *regs); + + uint32_t m_screenbuf[320 * 240]; + uint8_t m_rgb5_to_rgb8[32]; + uint32_t m_rgb555_to_rgb888[0x8000]; + + required_device<unsp_device> m_cpu; + required_device<screen_device> m_screen; +// required_shared_ptr<uint16_t> m_scrollram; + required_shared_ptr<uint16_t> m_paletteram; +// required_shared_ptr<uint16_t> m_spriteram; + + uint16_t m_page1_addr; + uint16_t m_page2_addr; + + + devcb_write_line m_video_irq_cb; + + + // video 70xx + uint16_t m_tmap0_regs[0x6]; + uint16_t m_tmap1_regs[0x6]; + + uint16_t m_707f; + uint16_t m_703a; + uint16_t m_7062; + uint16_t m_7063; + + uint16_t m_702a; + uint16_t m_7030; + uint16_t m_703c; + + + uint16_t m_7080; + uint16_t m_7081; + uint16_t m_7082; + uint16_t m_7083; + uint16_t m_7084; + uint16_t m_7085; + uint16_t m_7086; + uint16_t m_7087; + uint16_t m_7088; + + uint16_t m_video_irq_status; + + uint16_t read_data(uint32_t offset); +}; + +class gcm394_video_device : public gcm394_base_video_device +{ +public: + template <typename T, typename U> + gcm394_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&cpu_tag, U &&screen_tag) + : gcm394_video_device(mconfig, tag, owner, clock) + { + m_cpu.set_tag(std::forward<T>(cpu_tag)); + m_screen.set_tag(std::forward<U>(screen_tag)); + } + + gcm394_video_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); +}; + +DECLARE_DEVICE_TYPE(GCM394_VIDEO, gcm394_video_device) + +#endif // MAME_MACHINE_GCM394_VIDEO_H |