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Fix available memory for C64

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git-svn-id: svn://svn.cc65.org/cc65/trunk@133 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz
2000-06-26 06:33:17 +00:00
parent fd7399e82f
commit 51308b1f6b
1 changed files with 2 additions and 2 deletions
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@@ -118,7 +118,7 @@ who did the port).
C64: The program runs in a memory configuration, where only the kernal ROM C64: The program runs in a memory configuration, where only the kernal ROM
is enabled. The text screen is expected at the usual place ($400), so is enabled. The text screen is expected at the usual place ($400), so
54K of memory are available to the program. 50K of memory are available to the program.
C128: The startup code will reprogram the MMU, so that only the kernal ROM C128: The startup code will reprogram the MMU, so that only the kernal ROM
is enabled. This means, there are 41K of memory available to the is enabled. This means, there are 41K of memory available to the
@@ -154,7 +154,7 @@ Atari: The startup code will adjust the upper memory limit to the installed
text mode is used (_graphmode_used = 0), the values are $9C1F (with text mode is used (_graphmode_used = 0), the values are $9C1F (with
Basic) and $BC1F (no cartridge). Basic) and $BC1F (no cartridge).
The program starts at $1F00 (to leave room for DOS), and the free The program starts at $1F00 (to leave room for DOS), and the free
memory values are $6135 (24K, Basic, default mode), $8135 (32K, no memory values are $6135 (24K, Basic, default mode), $8135 (32K, no
Basic, default mode), $7D1F (31K, Basic, mode 0) and $9D1F (39K, Basic, default mode), $7D1F (31K, Basic, mode 0) and $9D1F (39K,
no Basic, mode 0). no Basic, mode 0).
These values are for a 48K or 64K machine. These values are for a 48K or 64K machine.