I/O stack refactoring completed
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@@ -24,6 +24,7 @@ SRCDIR_KERNAL = $(SRCDIR_COMMON) \
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c64/kernal/rom_revision \
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c64/kernal/rs232 \
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c64/kernal/screen \
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c64/kernal/tape \
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c64/kernal/time
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@@ -130,8 +130,8 @@ NOTE: Even the 'DONE' routines won't support features described as missing in on
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| `$FFC6` | `$F20E` | `CHKIN` | DONE | |
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| `$FFC9` | `$F250` | `CKOUT` | DONE | |
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| `$FFCC` | `$F333` | `CLRCHN` | DONE | |
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| `$FFCF` | `$F157` | `CHRIN` | PARTIAL | |
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| `$FFD2` | `$F1CA` | `CHROUT` | PARTIAL | |
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| `$FFCF` | `$F157` | `CHRIN` | PARTIAL | no screen support, keyboard does not preserve .Y |
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| `$FFD2` | `$F1CA` | `CHROUT` | DONE | |
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| `$FFD5` | `$F49E` | `LOAD` | DONE | |
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| `($0330)` | `$F4A5` | `LOAD` | PARTIAL | no VERIFY support, no STOP key support |
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| `$FFD8` | `$F5DD` | `SAVE` | DONE | only this preparation routine part is done |
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@@ -139,7 +139,7 @@ NOTE: Even the 'DONE' routines won't support features described as missing in on
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| `$FFDB` | | `SETTIM` | DONE | |
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| `$FFDE` | | `RDTIM` | DONE | |
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| `$FFE1` | `$F6ED` | `STOP` | DONE | |
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| `$FFE4` | `$F13E` | `GETIN` | PARTIAL | only keyboard supported |
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| `$FFE4` | `$F13E` | `GETIN` | PARTIAL | no screen device support |
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| `$FFE7` | `$F32F` | `CLALL` | DONE | |
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| `$FFEA` | | `UDTIM` | DONE | |
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| `$FFED` | | `SCREEN` | DONE | |
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+15
-3
@@ -5,12 +5,24 @@
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// - [RG64] C64 Programmer's Reference Guide - page 283
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// - [CM64] Compute's Mapping the Commodore 64 - page 227/228
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//
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// CPU registers that has to be preserved (see [RG64]): .X, .Y
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// CPU registers that has to be preserved (see [RG64]): for RS-232: .X, .Y
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//
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GETIN:
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// XXX this should be a dispatcher for several different devices!
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// Determine the device number
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lda DFLTN
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jmp read_kb_buf
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// Try $00 - keyboard
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beq_far getin_keyboard
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#if HAS_RS232
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// Try $02 - RS-232
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cmp #$02
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beq_far getin_rs232
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#endif // HAS_RS232
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jmp chrin_getin
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@@ -0,0 +1,12 @@
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//
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// IEC part of the CHROUT routine
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//
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chrout_iec:
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lda SCHAR
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jsr JCIOUT
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bcc_far chrout_done_success
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jmp chrout_done_fail
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@@ -35,6 +35,8 @@ CHRIN:
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#endif // HAS_RS232
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chrin_getin: // jump entry for GETIN
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#if CONFIG_IEC
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// Try IEC devices
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@@ -6,7 +6,7 @@
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// - [CM64] Compute's Mapping the Commodore 64 - page 228
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//
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// CPU registers that has to be preserved (see [RG64]): .Y
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// Additionally we have to preserve .X for out CHRIN implementation
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// Additionally we have to preserve .X for out CHRIN and implementation
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//
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CHROUT:
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@@ -27,17 +27,17 @@ CHROUT:
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lda DFLTO
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cmp #$03 // screen
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bne !+
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jmp chrout_screen
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!:
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beq_far chrout_screen
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#if HAS_RS232
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cmp #$02
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beq_far chrout_rs232
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#endif
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#if CONFIG_IEC
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jsr iec_check_devnum_oc
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bcs chrout_done_unknown_device // not a supported device
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chrout_iec:
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lda SCHAR
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jsr JCIOUT
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bcc chrout_done_success
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bcc_far chrout_iec
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#if CONFIG_IEC
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// FALLTROUGH
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File renamed without changes.
@@ -40,9 +40,19 @@ LOAD:
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// Check whether we support the requested device
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lda FA
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#if CONFIG_TAPE_NORMAL
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cmp #$01
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beq_far load_tape_normal
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#endif
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#if CONFIG_TAPE_TURBO
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cmp #$07
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beq_far load_tape_turbo
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#endif
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#if CONFIG_IEC
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jsr iec_check_devnum_lvs
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bcc_far load_iec
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#endif // CONFIG_IEC
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#endif
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jmp lvs_illegal_device_number
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@@ -6,7 +6,7 @@
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//
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read_kb_buf:
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getin_keyboard: // XXX confirm that here is really a part of GETIN!
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// Check for a key
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lda NDX
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@@ -3,8 +3,6 @@
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// RS-232 part of the CHROUT routine
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//
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// XXX connect to I/O stack
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#if HAS_RS232
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@@ -3,8 +3,6 @@
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// RS-232 part of the GETIN routine
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//
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// XXX connect to I/O stack
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#if HAS_RS232
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@@ -0,0 +1,14 @@
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//
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// Tape (normal) part of the LOAD routine
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//
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#if CONFIG_TAPE_NORMAL
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load_tape_normal:
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STUB_IMPLEMENTATION()
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#endif
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@@ -0,0 +1,14 @@
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//
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// Tape (turbo) part of the LOAD routine
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//
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#if CONFIG_TAPE_TURBO
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load_tape_turbo:
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STUB_IMPLEMENTATION()
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#endif
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