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Rewrote tgi_load_driver in assembler and fixed a possible memory leak when

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doing so. Changed the behaviour in case a driver is already loaded: Since the
library cannot know if this driver was linked statically or loaded
dynamically, an already installed driver is considered an error. It must be
removed before calling tgi_load_driver.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5790 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
uz
2012-07-22 11:07:46 +00:00
parent 3ce61b47a9
commit 975a06c2ee
8 changed files with 129 additions and 92 deletions
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3
asminc/tgi-error.inc
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@@ -6,7 +6,7 @@
;* */
;* */
;* */
;* (C) 2002-2009, Ullrich von Bassewitz */
;* (C) 2002-2012, Ullrich von Bassewitz */
;* Roemerstrasse 52 */
;* D-70794 Filderstadt */
;* EMail: uz@cc65.org */
@@ -45,6 +45,7 @@
TGI_ERR_INV_FONT ; Font file is invalid
TGI_ERR_NO_RES ; Out of resources (memory, handles, ...)
TGI_ERR_UNKNOWN ; Unknown error
TGI_ERR_INSTALLED ; A driver is already installed
TGI_ERR_COUNT ; Special: Number of error messages
.endenum

3
asminc/tgi-kernel.inc
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@@ -6,7 +6,7 @@
;* */
;* */
;* */
;* (C) 2002-2009, Ullrich von Bassewitz */
;* (C) 2002-2012, Ullrich von Bassewitz */
;* Roemerstrasse 52 */
;* D-70794 Filderstadt */
;* EMail: uz@cc65.org */
@@ -170,6 +170,7 @@ TGI_CLIP_TOP = $08
;------------------------------------------------------------------------------
; ASM functions
.global tgi_clear_ptr
.global tgi_clippedline
.global tgi_curtoxy
.global tgi_getset