Add JSRFAR macro (#372)

llvm-mos · Sep 16, 2024 · b3e9a99 · b3e9a99
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diff --git a/mos-platform/cx16/cx16.inc b/mos-platform/cx16/cx16.inc
@@ -53,6 +53,13 @@
 	sty	__r6
 .endm
 
+; Run RAM/ROM routine in another bank
+.macro MACRO_JSRFAR address, bank
+        jsr __JSRFAR
+        .short \address
+        .byte \bank
+.endm
+
 ; cx16 hardware I/O addresses (derived from x16-rom io.inc)
 ; https://github.com/X16Community/x16-rom/blob/master/inc/io.inc
 

diff --git a/mos-platform/cx16/kernal.S b/mos-platform/cx16/kernal.S
@@ -71,6 +71,7 @@ weakdef CLOCK_SET_DATE_TIME
 weakdef CLOCK_GET_DATE_TIME
 weakdef JOYSTICK_SCAN
 weakdef JOYSTICK_GET
+weakdef JSRFAR
 weakdef SCREEN_MODE
 weakdef SCREEN_SET_CHARSET
 weakdef MOUSE_CONFIG