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hd6305y2: Add special function registers to internal map

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This commit is contained in:
AJR 2024-12-13 19:34:22 -05:00
parent 08368fd8a3
commit 2255a1bfab
1 changed files with 14 additions and 1 deletions
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15
src/devices/cpu/m6805/hd6305.cpp
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@ -473,7 +473,20 @@ hd6305y2_device::hd6305y2_device(const machine_config &mconfig, const char *tag,
void hd6305y2_device::internal_map(address_map &map)
{
// TODO: ports, timer, SCI
map(0x0000, 0x0000).rw(FUNC(hd6305y2_device::port_r<0>), FUNC(hd6305y2_device::port_w<0>));
map(0x0001, 0x0001).rw(FUNC(hd6305y2_device::port_r<1>), FUNC(hd6305y2_device::port_w<1>));
map(0x0002, 0x0002).rw(FUNC(hd6305y2_device::port_r<2>), FUNC(hd6305y2_device::port_w<2>));
map(0x0003, 0x0003).r(FUNC(hd6305y2_device::port_r<3>));
map(0x0004, 0x0004).w(FUNC(hd6305y2_device::port_ddr_w<0>));
map(0x0005, 0x0005).w(FUNC(hd6305y2_device::port_ddr_w<1>));
map(0x0006, 0x0006).w(FUNC(hd6305y2_device::port_ddr_w<2>));
map(0x0008, 0x0008).rw(FUNC(hd6305y2_device::timer_data_r), FUNC(hd6305y2_device::timer_data_w));
map(0x0009, 0x0009).rw(FUNC(hd6305y2_device::timer_ctrl_r), FUNC(hd6305y2_device::timer_ctrl_w));
map(0x000a, 0x000a).rw(FUNC(hd6305y2_device::misc_r), FUNC(hd6305y2_device::misc_w));
map(0x0010, 0x0010).rw(FUNC(hd6305y2_device::sci_ctrl_r), FUNC(hd6305y2_device::sci_ctrl_w));
map(0x0011, 0x0011).rw(FUNC(hd6305y2_device::sci_ssr_r), FUNC(hd6305y2_device::sci_ssr_w));
map(0x0012, 0x0012).rw(FUNC(hd6305y2_device::sci_data_r), FUNC(hd6305y2_device::sci_data_w));
// All other page zero addresses up to 0x001f are reserved
map(0x0040, 0x013f).ram();
}