more startup initialization fixes

STATUS.md

@@ -98,10 +98,10 @@ NOTE: Even the 'DONE' routines won't support features described as missing in on
 
 | Address   | Unofficial | Name        | Status   |  Remarks                                             |
 | :-------: | :--------: | :---------- | :------: | :--------------------------------------------------: |
-| `($028F)` |            | `KEYLOG`    | DONE     | works differently on purpose, to improve kb scanning |
+| `($028F)` |            | `KEYLOG`    | DONE     |                                                      |
-| `$FF81`   | `$FF5B`    | `CINT`      | DONE     |                                                      |
+| `$FF81`   | `$FF5B`    | `CINT`      | PARTIAL  | probably incomplete, to be checked                   |
 | `$FF84`   | `$FDA3`    | `IOINIT`    | PARTIAL  | CIA initialization incomplete                        |
-| `$FF87`   | `$FD50`    | `RAMTAS`    | DONE     |                                                      |
+| `$FF87`   | `$FD50`    | `RAMTAS`    | PARTIAL  | probably shouldn't touch VIC and CIA's               |
 | `$FF8A`   | `$FD15`    | `RESTOR`    | DONE     |                                                      |
 | `$FF8D`   | `$FD1A`    | `VECTOR`    | DONE     |                                                      |
 | `$FF90`   |            | `SETMSG`    | DONE     |                                                      |
@@ -156,7 +156,7 @@ Not all of them - only these we want to have implemented.
 | :-------: | :------------------ | :------: | :------------------------------------------------: |
 | `$E544`   | clear screen        | DONE     |                                                    |
 | `$E50C`   | set cursor position | PARTIAL  |                                                    |
-| `$E5A0`   | setup VIC II & IO   | PARTIAL  |                                                    |
+| `$E5A0`   | setup VIC II & IO   | DONE     |                                                    |
 | `$EA31`   | default IRQ         | PARTIAL  |                                                    |
 | `$EA7E`   | ack CIA1 + below    | DONE     |                                                    |
 | `$EA81`   | ret from IRQ/NMI    | DONE     |                                                    |

c64/aliases/,aliases_config.s

@@ -130,7 +130,6 @@
 #if CONFIG_CPU_WDC_65C02 || CONFIG_CPU_CSG_65CE02 || CONFIG_CPU_WDC_65816
 
 #define HAS_BCD_SAFE_INTERRUPTS
-#define HAS_BCD_SAFE_RESET
 
 	.pseudocommand phx { .byte $DA }
 	.pseudocommand phy { .byte $5A }

c64/kernal/clrchn_real.s

@@ -25,7 +25,7 @@ clrchn_real:
 	// Handle IEC output device
 	jsr UNLSN
 !:
-clrchn_reset: // entry needed by CHRIN
+clrchn_reset: // entry needed by setup_vicii
 	// Set input device number to keyboard
 	lda #$00
 	sta DFLTN

c64/kernal/init/cint_real.s

@@ -115,8 +115,5 @@ cint_brk: // entry for BRK and STOP+RESTORE - XXX, where should it start?
 	ldx #$00
 	stx MODE
 
-	// Set default I/O devices (see SCINIT description at http://sta.c64.org/cbm64krnfunc.html)
-	jsr clrchn_reset
-
 	// Fallthrough/jump to screen clear routine (Compute's Mapping the 64 p215)
 	jmp clear_screen

c64/kernal/init/e5a0.setup_vicii.s

@@ -1,4 +1,11 @@
 
+//
+// Well-known Kernal routine, described in:
+//
+// - [CM64] Compute's Mapping the Commodore 64 - page 215
+//
+
+
 setup_vicii:
 
 	// XXX it should also set default devices
@@ -21,12 +28,12 @@ setup_vicii:
 
  	stx VIC_CLKRATE
 
-	// Set up default IO values - Compute's Mapping the 64
+	// Set up default IO values
-	// - page 129       - VIC_SCROLY
+	// - [CM64] page 129       - VIC_SCROLY
-	// - pages 140-144  - VIC_SCROLX
+	// - [CM64] pages 140-144  - VIC_SCROLX
-	// - pages 145-146  - VIC_YMCSB
+	// - [CM64] pages 145-146  - VIC_YMCSB
 
-	lda #$9B
+	lda #$1B                           // according to [CM64] page 137 some software assumes oldest bit is 0
 	sta VIC_SCROLY
 	lda #$C8
 	sta VIC_SCROLX                     // 40 column etc
@@ -35,14 +42,12 @@ setup_vicii:
 	lda #$0F
 	sta VIC_IRQ                        // clear all interrupts
 
-
-	// XXX initialize $D012 (VIC_RASTER) - which values to use?
-
-
 	// We use a different colour scheme of white text on all blue
 
 	lda #$06
 	sta VIC_EXTCOL
 	sta VIC_BGCOL0
 
-	rts
+	// Setup default I/O devices
+
+	jmp clrchn_reset

c64/kernal/interrupts/fce2.hw_entry_reset.s

@@ -6,9 +6,8 @@ hw_entry_reset:
 
 	// The GPL program at https://github.com/Klaus2m5/6502_65C02_functional_tests/blob/master/6502_functional_test.a65
 	// uses the following initial reset sequence, affirmed by c64 PRG p269
-#if !HAS_BCD_SAFE_RESET
+
-	cld // for CPUs having undefined D flag after reset
+	cld // for CPUs might clear D flag - but it is possible this is called manually
-#endif
 	ldx #$FF
 	txs
 	sei