Added document lines that name the default device drivers.
Also: - Changed some <htmlurl> tags to <url>. Now, those links will show their URL addresses (in addition to their names) in info and text pages. - Added some Atmos-specific function names to its document. - Fixed some punctuation syntax.
This commit is contained in:
Greg King
@@ -2,11 +2,11 @@
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<article>
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<title>Oric Atmos specific information for cc65
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<title>Oric Atmos-specific information for CC65
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<author>Ullrich von Bassewitz <htmlurl url="mailto:uz@cc65.org" name="uz@cc65.org"><newline>
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Stefan A. Haubenthal <htmlurl url="mailto:polluks@sdf.lonestar.org" name="polluks@sdf.lonestar.org"><newline>
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<url url="mailto:greg.king5@verizon.net" name="Greg King">
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<date>2013-01-08
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<date>2014-03-27
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<abstract>
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An overview over the Atmos runtime system as it is implemented for the cc65 C
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@@ -21,11 +21,11 @@ compiler.
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<sect>Overview<p>
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This file contains an overview of the Atmos runtime system as it comes with the
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cc65 C compiler. It describes the memory layout, Atmos specific header files,
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cc65 C compiler. It describes the memory layout, Atmos-specific header files,
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available drivers, and any pitfalls specific to that platform.
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Please note that Atmos specific functions are just mentioned here, they are
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described in detail in the separate <htmlurl url="funcref.html" name="function
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Please note that Atmos-specific functions are just mentioned here, they are
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described in detail in the separate <url url="funcref.html" name="function
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reference">. Even functions marked as "platform dependent" may be available on
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more than one platform. Please see the function reference for more
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information.
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@@ -58,19 +58,25 @@ Special locations:
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<sect>Platform specific header files<p>
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<sect>Platform-specific header files<p>
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Programs containing Atmos specific code may use the <tt/atmos.h/ header file.
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Programs containing Atmos-specific code may use the <tt/atmos.h/ header file.
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<sect1>Atmos specific functions<p>
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<sect1>Atmos-specific functions<p>
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The functions listed below are special for the Atmos. See the <htmlurl
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The functions listed below are special for the Atmos. See the <url
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url="funcref.html" name="function reference"> for declaration and usage.
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<itemize>
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<item>atmos_load
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<item>atmos_save
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<item>atmos_explode
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<item>atmos_ping
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<item>atmos_shoot
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<item>atmos_tick
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<item>atmos_tock
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<item>atmos_zap
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</itemize>
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@@ -78,7 +84,7 @@ url="funcref.html" name="function reference"> for declaration and usage.
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The following pseudo variables declared in the <tt/atmos.h/ header file do allow
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access to hardware located in the address space. Some variables are
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structures, accessing the struct fields will access the chip registers.
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structures; accessing the struct fields will access the chip registers.
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<descrip>
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@@ -110,6 +116,8 @@ The names in the parentheses denote the symbols to be used for static linking of
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<sect1>Graphics drivers<p>
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The default drivers, <tt/tgi_stddrv (tgi_static_stddrv)/, point to <tt/atmos-240-200-2.tgi (atmos_240_200_2_tgi)/.
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<descrip>
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<tag><tt/atmos-228-200-3.tgi (atmos_228_200_3_tgi)/</tag>
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@@ -154,8 +162,8 @@ No mouse drivers are currently available for the Atmos.
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<tag><tt/atmos-acia.ser (atmos_acia_ser)/</tag>
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Driver for the Telestrat integrated serial controller and the Atmos with a
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serial add-on.
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Note that because of the peculiarities of the 6551 chip together with the
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use of the NMI, transmits are not interrupt driven, and the transceiver
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Note that, because of the peculiarities of the 6551 chip, together with the
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use of the NMI, transmits are not interrupt driven; and, the transceiver
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blocks if the receiver asserts flow control because of a full buffer.
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</descrip><p>
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@@ -167,12 +175,12 @@ No mouse drivers are currently available for the Atmos.
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<sect1>Disk I/O<p>
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The existing library for the Atmos doesn't implement C file
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I/O. There is one hack for the <tt/write()/ routine in
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place, which will make functions work that write to <tt/stdout/
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(like <tt/printf()/). However, this function has some shortcomings which
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won't be fixed, because it's going to be replaced anyway.
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I/O. There are hacks for the <tt/read()/ and <tt/write()/ routines in
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place, which will make functions work that read from and write to <tt/stdout/
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(like <tt/printf()/). However, those functions have some shortcomings which
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won't be fixed, because they're going to be replaced anyway.
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To be more concrete, this limitation means that you cannot use any of the
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To be more concrete, the limitation means that you cannot use any of the
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following functions (and a few others):
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<itemize>
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@@ -190,14 +198,16 @@ following functions (and a few others):
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<sect>Other hints<p>
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<sect1>Function keys<p>
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These are defined to be FUNCT + number key.
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<sect1>Passing arguments to the program<p>
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Command line arguments can be passed to <tt/main()/. Since this is not
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supported by BASIC, the following syntax was chosen:
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Command-line arguments can be passed to <tt/main()/. Since that is not
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supported directly by BASIC, the following syntax was chosen:
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<tscreen><verb>
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CALL#500:REM ARG1 " ARG2 IS QUOTED" ARG3 "" ARG5
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@@ -208,7 +218,7 @@ supported by BASIC, the following syntax was chosen:
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<item>Arguments may be quoted.
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<item>Leading and trailing spaces around an argument are ignored. Spaces within
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a quoted argument are allowed.
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<item>The first argument passed to <tt/main/ is the program name.
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<item>The first argument passed to <tt/main()/ is the program name.
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<item>A maximum number of 10 arguments (including the program name) are
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supported.
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</enum>
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@@ -220,7 +230,7 @@ The runtime for the Atmos uses routines marked as <tt/.INTERRUPTOR/ for
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interrupt handlers. Such routines must be written as simple machine language
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subroutines and will be called automatically by the interrupt handler code
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when they are linked into a program. See the discussion of the <tt/.CONDES/
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feature in the <htmlurl url="ca65.html" name="assembler manual">.
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feature in the <url url="ca65.html" name="assembler manual">.
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@@ -246,6 +256,3 @@ freely, subject to the following restrictions:
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</enum>
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</article>
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