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Foundin' a base for PC-98 state saving. #14872

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2f9a532
Update pc9801_v.cpp
TheLostNinja Jan 27, 2026
8c22319
Update pc9801.cpp
TheLostNinja Jan 27, 2026
bc42289
Update pc9801_v.cpp
TheLostNinja Jan 27, 2026
1057454
Update pc9801_v.cpp
TheLostNinja Jan 27, 2026
50079db
Update pc9801.cpp
TheLostNinja Jan 27, 2026
ccb6c85
Update pc9801.cpp
TheLostNinja Jan 27, 2026
65f25e1
Update pc9801_v.cpp
TheLostNinja Jan 27, 2026
ada8665
Update pc9801.cpp
TheLostNinja Jan 27, 2026
a2d830b
Update pc9801.cpp
TheLostNinja Jan 27, 2026
ff0db3f
Update pc9801.cpp
TheLostNinja Jan 27, 2026
b819d04
Update pc9821.cpp
TheLostNinja Jan 28, 2026
7dd8f2a
Update upd7220.cpp
TheLostNinja Jan 29, 2026
b9b685b
Update pc9801_v.cpp
TheLostNinja Feb 11, 2026
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4 changes: 4 additions & 0 deletions src/devices/video/upd7220.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -758,6 +758,10 @@ void upd7220_device::device_start()
save_item(NAME(m_disp));
save_item(NAME(m_gchr));
save_item(NAME(m_pattern));
save_item(NAME(m_dma_type));
save_item(NAME(m_dma_mod));
save_item(NAME(m_dma_data));
save_item(NAME(m_dma_transfer_length));
save_item(NAME(m_mask));
save_item(NAME(m_pitch));
save_item(NAME(m_ra_addr));
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47 changes: 40 additions & 7 deletions src/mame/nec/pc9801.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1658,6 +1658,34 @@ MACHINE_START_MEMBER(pc9801_state,pc9801_common)
{
m_rtc->cs_w(1);
m_rtc->oe_w(1);

save_item(NAME(m_uart_irq_mask));
save_item(NAME(m_uart_irq_pending));

save_item(NAME(m_nmi_ff));

save_item(NAME(m_fdc_2hd_ctrl));

save_item(NAME(m_dma_offset));
save_item(NAME(m_dma_autoinc));
save_item(NAME(m_dack));

save_item(NAME(m_grcg.mode));
save_item(NAME(m_grcg.tile));
save_item(NAME(m_grcg.tile_index));

save_item(NAME(m_vram_bank));
save_item(NAME(m_vram_disp));

save_item(NAME(m_mouse.control));
save_item(NAME(m_mouse.lx));
save_item(NAME(m_mouse.ly));
save_item(NAME(m_mouse.dx));
save_item(NAME(m_mouse.dy));
save_item(NAME(m_mouse.prev_dx));
save_item(NAME(m_mouse.prev_dy));
save_item(NAME(m_mouse.freq_reg));
save_item(NAME(m_mouse.freq_index));
}

MACHINE_START_MEMBER(pc9801_state,pc9801f)
Expand All @@ -1677,9 +1705,18 @@ MACHINE_START_MEMBER(pc9801vm_state,pc9801rs)

m_fdc_timer = timer_alloc(FUNC(pc9801vm_state::fdc_trigger), this);

save_item(NAME(m_gate_a20));
save_item(NAME(m_dma_access_ctrl));
save_item(NAME(m_ide_sel));
save_item(NAME(m_dac1bit_disable));

save_item(NAME(m_dma_access_ctrl));
save_item(NAME(m_fdc_3mode.dev_sel));
save_item(NAME(m_fdc_3mode.access_144mb));

save_item(NAME(m_analog16.pal_entry));
save_item(NAME(m_analog16.r));
save_item(NAME(m_analog16.g));
save_item(NAME(m_analog16.b));

save_item(NAME(m_egc.regs));
save_item(NAME(m_egc.pat));
Expand All @@ -1688,13 +1725,8 @@ MACHINE_START_MEMBER(pc9801vm_state,pc9801rs)
save_item(NAME(m_egc.leftover));
save_item(NAME(m_egc.first));
save_item(NAME(m_egc.start));
save_item(NAME(m_egc.loaded));
save_item(NAME(m_egc.mask));

save_item(STRUCT_MEMBER(m_grcg, mode));
// save_pointer(STRUCT_MEMBER(m_grcg, tile), 4);
save_item(STRUCT_MEMBER(m_grcg, tile_index));

save_item(NAME(m_vram_bank));
}

MACHINE_START_MEMBER(pc9801us_state,pc9801us)
Expand All @@ -1706,6 +1738,7 @@ MACHINE_START_MEMBER(pc9801bx_state,pc9801bx2)
{
MACHINE_START_CALL_MEMBER(pc9801us);

save_item(NAME(m_hole_15m));
// ...
}

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11 changes: 9 additions & 2 deletions src/mame/nec/pc9801_v.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,17 @@ void pc9801_state::video_start()
m_char_rom = memregion("chargen")->base();
m_kanji_rom = memregion("kanji")->base();

save_item(NAME(m_font_addr));
save_item(NAME(m_font_lr));
std::fill(std::begin(m_ex_video_ff), std::end(m_ex_video_ff), 0);
std::fill(std::begin(m_video_ff), std::end(m_video_ff), 0);
save_pointer(NAME(m_video_ff), 8);
save_pointer(NAME(m_ex_video_ff), 128);
save_item(NAME(m_video_ff));
save_item(NAME(m_ex_video_ff));
save_item(NAME(m_font_line));
save_pointer(NAME(m_tvram), sizeof(uint16_t)*0x2000);
save_item(NAME(m_gfx_ff));
save_item(NAME(m_txt_scroll_reg));
save_item(NAME(m_pal_clut));
}

uint32_t pc9801_state::screen_update(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
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11 changes: 11 additions & 0 deletions src/mame/nec/pc9821.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -850,13 +850,24 @@ MACHINE_START_MEMBER(pc9821_state,pc9821)
m_pit_delay = timer_alloc(FUNC(pc9821_state::pit_delay), this);
MACHINE_START_CALL_MEMBER(pc9801bx2);

save_item(NAME(m_pit_latch_cmd));
save_item(NAME(m_pc9821_window_bank));
save_item(NAME(m_ext2_ff));
save_item(NAME(m_pegc.pal_entry));
save_item(NAME(m_pegc.r));
save_item(NAME(m_pegc.g));
save_item(NAME(m_pegc.b));
save_item(NAME(m_pegc.bank));
save_item(NAME(m_pegc.packed_mode));
// ...
}

MACHINE_START_MEMBER(pc9821_mate_a_state,pc9821ap2)
{
MACHINE_START_CALL_MEMBER(pc9821);

save_item(NAME(m_ext_sdip));
save_item(NAME(m_ext_sdip_addr));
// ...
}

Expand Down
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