5537759c53
- Atari TT support - all video and audio is now handled via XBIOS - reworked IKBD handling using Kbdvbase vectors, esp. Kbdvec() - video uses proper triple buffer - arbitrary game screen size support - many fixes and optimizations
76 lines
1.8 KiB
ArmAsm
76 lines
1.8 KiB
ArmAsm
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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.global _atari_kbdvec
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.global _atari_mousevec
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.global _atari_vkbderr
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.extern _g_atari_ikbd_mouse_buttons_state
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.extern _g_atari_ikbd_mouse_delta_x
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.extern _g_atari_ikbd_mouse_delta_y
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.extern _g_atari_ikbd_scancodes
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.extern _g_atari_ikbd_scancodes_mask
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.extern _g_atari_ikbb_scancodes_head
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.text
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_atari_kbdvec:
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tst.w (vkbderr_count,pc)
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bne.b kbdvec_end
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lea _g_atari_ikbd_scancodes,a0
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move.w _g_atari_ikbb_scancodes_head,d1
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| g_atari_ikbd_scancodes[g_atari_ikbb_scancodes_head] = scancode
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move.b d0,(0.b,a0,d1.w)
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addq.l #1,d1
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and.w _g_atari_ikbd_scancodes_mask,d1
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move.w d1,_g_atari_ikbb_scancodes_head
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kbdvec_end:
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rts
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_atari_vkbderr:
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addq.w #1,vkbderr_count
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rts
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_atari_mousevec:
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clr.w vkbderr_count
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move.b (a0)+,_g_atari_ikbd_mouse_buttons_state
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move.b (a0)+,d0
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ext.w d0
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add.w d0,_g_atari_ikbd_mouse_delta_x
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move.b (a0)+,d0
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ext.w d0
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add.w d0,_g_atari_ikbd_mouse_delta_y
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rts
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// place it within reach of 32K (PC relative)
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vkbderr_count:
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dc.w 0
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