msx1: put a JP at the start of the ROM

We need this for our null checker

diff --git a/Kernel/platform-msx1/crt0.s b/Kernel/platform-msx1/crt0.s
index df5dec1..9831e26 100644 (file)
--- a/Kernel/platform-msx1/crt0.s
+++ b/Kernel/platform-msx1/crt0.s
@@ -33,13 +33,17 @@
                .globl s__INITIALIZER
                .globl kstack_top
                .globl interrupt_handler
+               .globl null_handler
 
                .globl rst38            ; for checking
 ;
 ;      First _CODE section
+;
+;      We need to put the bank switch stub in here and matching in RAM
 ;
                .area _CODE
 
-               .ds 0x38
+start:         jp null_handler
+               .ds 0x35
 rst38:         jp interrupt_handler
                ; FIXME NMI etc ?