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r21118 Saturday 16th February, 2013 at 09:24:46 UTC by Oliver Stöneberg
(MESS) use memmove() in generic_terminal_device::scroll_line() and teleprinter_device::scroll_line() to prevent problems with optimized memcpy() implementation (nw)

[src/mess/machine]

teleprinter.c terminal.c

trunk/src/mess/machine/terminal.c

r21117	r21118
152	152
153	153	void generic_terminal_device::scroll_line()
154	154	{
155		memcpy(m_buffer,m_buffer+TERMINAL_WIDTH,(TERMINAL_HEIGHT-1)*TERMINAL_WIDTH);
	155	memmove(m_buffer,m_buffer+TERMINAL_WIDTH,(TERMINAL_HEIGHT-1)*TERMINAL_WIDTH);
156	156	memset(m_buffer + TERMINAL_WIDTH*(TERMINAL_HEIGHT-1),0x20,TERMINAL_WIDTH);
157	157	}
158	158

trunk/src/mess/machine/teleprinter.c

r21117	r21118
139	139
140	140	void teleprinter_device::scroll_line()
141	141	{
142		memcpy(m_buffer,m_buffer+TELEPRINTER_WIDTH,(TELEPRINTER_HEIGHT-1)*TELEPRINTER_WIDTH);
	142	memmove(m_buffer,m_buffer+TELEPRINTER_WIDTH,(TELEPRINTER_HEIGHT-1)*TELEPRINTER_WIDTH);
143	143	memset(m_buffer + TELEPRINTER_WIDTH*(TELEPRINTER_HEIGHT-1),0x20,TELEPRINTER_WIDTH);
144	144	}
145	145

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