Bridge Code

macros/asserts.asm

@@ -63,3 +63,13 @@ MACRO end_water_wildmons
 	assert WATER_WILDDATA_LENGTH == @ - {CURRENT_WATER_WILDMONS_LABEL}, \
 		"def_water_wildmons {CURRENT_WATER_WILDMONS_MAP}: expected {d:WATER_WILDDATA_LENGTH} bytes"
 ENDM
+
+MACRO jmp
+	if _NARG == 1
+		jp \1
+	else
+		jp \1, \2
+		shift
+	endc
+	assert warn, (\1) - @ > 127 || (\1) - @ < -129, "jp can be jr"
+ENDM

macros/code.asm

@@ -94,3 +94,11 @@ if _NARG == 0
 	sine_table 32
 endc
 ENDM
+
+MACRO changebridgeblock
+	; lb de, \1 + 4, \2 + 4
+	; call GetBlockLocation
+	ld hl, wOverworldMapBlocks + (\2 / 2 + 3) * (\4_WIDTH + 6) + \1 / 2 + 3
+	; hard-coding the above calculation for efficiency
+	ld [hl], \3
+ENDM

macros/scripts/events.asm

@@ -1077,4 +1077,13 @@ MACRO checkmaplockedmons
 	db checkmaplockedmons_command
 ENDM
 
+MACRO callthisasm
+	; "callasm .asm\@" causes a "File stack dump too long, got truncated"
+	; error due to the long filename:linenumber trace of nested macros.
+	db callasm_command
+	dba .asm\@
+	end
+.asm\@
+ENDM
+
 DEF NUM_EVENT_COMMANDS EQU const_value