From 84ae446f7b6b2238ed048258eb6b6cdba9a0e032 Mon Sep 17 00:00:00 2001 From: Paul Gardner-Stephen Date: Tue, 7 May 2019 11:22:16 +0930 Subject: [PATCH] explain more KERNAL coincidental similarities. --- strings/4C87EA4C | 5 +++++ strings/4CA3FD4C | 5 +++++ strings/8501A92F8500 | 1 + strings/87EA4C | 1 + 4 files changed, 12 insertions(+) create mode 100644 strings/4C87EA4C create mode 100644 strings/4CA3FD4C create mode 100644 strings/8501A92F8500 create mode 100644 strings/87EA4C diff --git a/strings/4C87EA4C b/strings/4C87EA4C new file mode 100644 index 00000000..4265d8a1 --- /dev/null +++ b/strings/4C87EA4C @@ -0,0 +1,5 @@ +Jump to keyboard scan routine ($EA87) + instruction fragment. + +Keyboard scan routine is at $EA87 according to Compute's Mapping the 64 +p220. Thus it is not at all surprising to find a JMP to that location. + diff --git a/strings/4CA3FD4C b/strings/4CA3FD4C new file mode 100644 index 00000000..5060a7ab --- /dev/null +++ b/strings/4CA3FD4C @@ -0,0 +1,5 @@ +Jump to IOINIT routine. Not copyrightable. + +Compute's Mapping the 64 p220 indicates that the IOINIT routine +should be at $FDA3, so it is not surprising to find a JMP there +as part of the KERNAL jump table. diff --git a/strings/8501A92F8500 b/strings/8501A92F8500 new file mode 100644 index 00000000..51532bfc --- /dev/null +++ b/strings/8501A92F8500 @@ -0,0 +1 @@ +Store something in $01, reset CPU port 0 to correct value. diff --git a/strings/87EA4C b/strings/87EA4C new file mode 100644 index 00000000..e20667aa --- /dev/null +++ b/strings/87EA4C @@ -0,0 +1 @@ +Fragments of instructions. Not copyrightable.