58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
#include <kernel/devices/ubc.h>
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#include <kernel/hardware/ubc.h>
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#include <kernel/keybios.h>
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#include <kernel/syscall.h>
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#include <kernel/extra.h>
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#include <lib/display.h>
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// Internal function.
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extern void menu_context(ubc_session_t *session);
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extern void menu_disassembly(ubc_session_t *session);
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void ubc_module_handler(int action)
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{
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/* dclear();
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dprint(0, 0, "spc = %p", action);
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dupdate();
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for (int i = 0 ; i < 4000000 ; i = i + 1);
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*/ //TODO stop all clock / timer.
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}
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void ubc_handler(struct ubc_context_s *context, int channel)
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{
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void (*menu)(ubc_session_t *session);
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ubc_session_t session;
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// Initialize new session.
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session.key = 0;
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session.channel = channel;
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session.context = context;
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session.menu.context.cursor = 0;
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session.menu.disassembly.vcursor = -(DISPLAY_VLINES_MAX >> 1);
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session.menu.disassembly.hcursor = 0;
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// Initialize menu function.
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menu = &menu_disassembly;
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// Main loop.
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while (session.key != KEY_CTRL_EXIT)
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{
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menu(&session);
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casio_GetKey(&session.key);
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switch (session.key)
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{
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case KEY_CTRL_F1: menu = &menu_disassembly; break;
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case KEY_CTRL_F2: menu = &menu_context; break;
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}
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}
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// Update UBC
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SH7305_UBC.CBR0.CE = 0; // Disable channel.
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SH7305_UBC.CAR0 = context->spc; // Update break address.
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SH7305_UBC.CAMR0 = 0x00000000; // Update break address.
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SH7305_UBC.CBR0.CE = 1; // Disable channel.
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icbi((void*)0xa0000000);
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}
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