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New function mouse_geterrormsg()
git-svn-id: svn://svn.cc65.org/cc65/trunk@3289 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -118,6 +118,9 @@ unsigned char __fastcall__ mouse_install (const struct mouse_callbacks* c,
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unsigned char __fastcall__ mouse_uninstall (void);
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/* Uninstall the currently loaded driver. Returns an error code. */
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const char* __fastcall__ mouse_geterrormsg (unsigned char code);
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/* Get an error message describing the error in code. */
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void __fastcall__ mouse_hide (void);
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/* Hide the mouse. The function manages a counter and may be called more than
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* once. For each call to mouse_hide there must be a call to mouse_show to make
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@ -31,14 +31,15 @@ CFLAGS = -Osir -g -T -t $(SYS) --forget-inc-paths -I . -I ../../include
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C_OBJS = mouse_load.o
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S_OBJS = mouse-kernel.o \
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mouse_box.o \
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mouse_hide.o \
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mouse_info.o \
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mouse_ioctl.o \
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mouse_move.o \
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mouse_pos.o \
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mouse_show.o \
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S_OBJS = mouse-kernel.o \
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mouse_box.o \
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mouse_geterrormsg.o \
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mouse_hide.o \
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mouse_info.o \
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mouse_ioctl.o \
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mouse_move.o \
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mouse_pos.o \
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mouse_show.o \
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mouse_unload.o
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#--------------------------------------------------------------------------
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49
libsrc/mouse/mouse_geterrormsg.s
Normal file
49
libsrc/mouse/mouse_geterrormsg.s
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@ -0,0 +1,49 @@
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;
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; Ullrich von Bassewitz, 2004-11-07
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;
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; const char* __fastcall__ mouse_geterrormsg (unsigned char code);
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; /* Get an error message describing the error in code. */
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;
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.include "mouse-kernel.inc"
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.proc _mouse_geterrormsg
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cmp #MOUSE_ERR_COUNT
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bcc L1
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lda #MOUSE_ERR_COUNT ; "Unknown error"
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L1: tay
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ldx #>msgtab
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lda #<msgtab
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clc
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adc offs,y
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bcc L2
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inx
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L2: rts
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.endproc
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;----------------------------------------------------------------------------
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; Error messages. The messages are currently limited to 256 bytes total.
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.rodata
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offs: .byte <(msg0-msgtab)
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.byte <(msg1-msgtab)
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.byte <(msg2-msgtab)
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.byte <(msg3-msgtab)
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.byte <(msg4-msgtab)
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.byte <(msg5-msgtab)
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.byte <(msg6-msgtab)
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msgtab:
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msg0: .asciiz "No error"
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msg1: .asciiz "No driver available"
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msg2: .asciiz "Cannot load driver"
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msg3: .asciiz "Invalid driver"
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msg4: .asciiz "Mouse hardware not found"
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msg5: .asciiz "Invalid ioctl code"
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msg6: .asciiz "Unknown error"
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