adapted to Kick Assembler, some documentation update

c64/kernal/iec/iec_tx_command.s

@@ -1,40 +1,40 @@
 
-;; Implemented based on https://www.pagetable.com/?p=1135, https://github.com/mist64/cbmbus_doc
+// Implemented based on https://www.pagetable.com/?p=1135, https://github.com/mist64/cbmbus_doc
 
-;; Expects byte to send in IEC_TMP2 ($A4 is a byte buffer according to http://sta.c64.org/cbm64mem.html)
-;; Carry flag set = signal EOI
-;;
-;; Preserves .X and .Y registers
+// Expects byte to send in IEC_TMP2 ($A4 is a byte buffer according to http://sta.c64.org/cbm64mem.html)
+// Carry flag set = signal EOI
+//
+// Preserves .X and .Y registers
 
 
 iec_tx_command:
 
-	;; Store .X and .Y on the stack - preserve them
+	// Store .X and .Y on the stack - preserve them
 	txa
 	pha
 	tya
 	pha
 
-	;; Notify all devices that we are going to send a byte
-	;; and it is going to be a command (pulled ATN)
+	// Notify all devices that we are going to send a byte
+	// and it is going to be a command (pulled ATN)
 	jsr iec_pull_atn_clk_release_data
 
-	;; Give devices time to respond (response is mandatory!) by pulling DATA
+	// Give devices time to respond (response is mandatory!) by pulling DATA
 	jsr iec_wait1ms
-	lda CIA2_PRA ; pulled DATA = highest bit 0 = 'plus'
-	bpl +
+	lda CIA2_PRA // pulled DATA = highest bit 0 = 'plus'
+	bpl !+
 	jmp iec_return_DEVICE_NOT_FOUND
-*
-	;; At least one device responded, but they are still allowed to stall
-	;; (can be busy processing something), we have to wait till they are all
-	;; ready (or bored with DOS attack...)
-	;; Release back CLK, keep DATA released - to ask devices for status.
+!:
+	// At least one device responded, but they are still allowed to stall
+	// (can be busy processing something), we have to wait till they are all
+	// ready (or bored with DOS attack...)
+	// Release back CLK, keep DATA released - to ask devices for status.
 
 	jsr iec_release_clk_data
 
-	;; Common part of iec_txbyte and iec_tx_common - waits for devices
-	;; and transmits a byte
+	// Common part of iec_txbyte and iec_tx_common - waits for devices
+	// and transmits a byte
 
-	clc ; Carry flag set is used for EOI mark
+	clc // Carry flag set is used for EOI mark
 	jmp iec_tx_common