Sentinel65X
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Sentinel65X-Kernel
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Code cleanup

This commit is contained in:
Kyle J Cardoza 2024-06-10 18:10:32 -04:00
parent 9548197c2f
commit 4d953b47a2
11 changed files with 90 additions and 38 deletions
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11
Makefile
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@ -1,23 +1,24 @@
AS := 64tass
MP := minipro
ASFLAGS := --nostart \
-I include \
ASFLAGS := -I include \
-I src \
--m65816 \
--nostart \
--long-branch \
--long-address \
--m65816 \
-Walign \
-Wno-wrap-pc \
-l kernel.list
MPFLAGS := -p SST39LF040@PLCC32
SOURCES := src/memory.s \
src/main.s \
src/boot.s \
src/irq.s \
src/led.s \
src/vera.s
src/vera.s \
src/main.s
INCLUDES := $(wildcard include/*.i)

2
include/sentinel65x.i
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@ -4,4 +4,4 @@ UART3_TIMER_VALUE = (CPU_SPEED_HZ / (16 * UART3_BAUD_RATE) - 1)
.include "w65c816.i"
.include "w65c265s.i"
.include "vera.i"
.include "vera.i"

24
include/w65c816.i
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@ -30,6 +30,8 @@ save_registers .macro
pha
phx
phy
.short_a
.long_i
.endmacro
restore_registers .macro
@ -39,5 +41,25 @@ restore_registers .macro
plx
pla
plp
.short_a
.long_i
.endmacro
memcpy .macro dest, src, count
.save_registers
.long_a
.long_i
ldx #<>src
ldy #<>dest
lda #count - 1
.if dest > src
mvp #`src, #`dest
.else
mvn #`src, #`dest
.endif
.restore_registers
.short_a
.long_i
.endmacro

20
kernel.list
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@ -10,13 +10,14 @@ T0LH = $00df51
AUTO_INC_320 = $e00000
SSCR = $00df41
UIER = $00df49
VERA_SPI_DATA = 57118
AUTO_INC_256 = $900000
AUTO_INC_128 = $800000
led_blink_red = $c1004d
led_blink_red = $c00053
VERA_DC_VIDEO = 57097
VERA_DC_HSCALE = 57098
AUTO_INC_NONE = $000000
main = $c0ffc0
main = $c0007a
AUTO_INC_40 = $b00000
VERA_DC_VSCALE = 57099
VERA_CTRL = 57093
@ -25,10 +26,9 @@ EIER = $00df47
T2CH = $00df65
T0CH = $00df61
VERA_PSG_BASE = $1f9c0
T0CL = $00df60
VERA_L0_MAPBASE = 57102
VERA_PALETTE_BASE= $1fa00
led_red_on = $c10019
led_red_on = $c0001f
VERA_AUDIO_DATA = 57117
VERA_TILESIZE8x8= $00
VERA_SCANLINE_L = 57096
@ -75,12 +75,12 @@ PDD3 = $00df07
AUTO_INC_2 = $200000
AUTO_INC_1 = $100000
VERA_DC_VSTART = 57099
led_init = $c0fffa
led_init = $c00000
VERA_DATA0 = 57091
AUTO_INC_4 = $300000
AUTO_INC_8 = $400000
T7LL = $00df5e
led_red_off = $c10033
led_red_off = $c00039
VERA_L_32W = $00
VERA_L_128W = $20
AUTO_INC_16 = $500000
@ -90,7 +90,7 @@ VERA_L0_CONFIG = 57101
VERA_DC_BORDER = 57100
T7CH = $00df6f
AUTO_INC_160 = $d00000
vera_init = $c10071
vera_init = $c00077
T2LL = $00df54
TIFR = $00df44
T2LH = $00df55
@ -108,7 +108,7 @@ PIR4 = $00df7c
PIR3 = $00df7b
PIR2 = $00df7a
VERA_L_T256C = $08
VERA_SPI_DATA = 57118
VERA_L_BITMAP = $04
T2CL = $00df64
VERA_ADDR0_H = 57090
VERA_SPI_CTRL = 57119
@ -139,7 +139,7 @@ PDD4 = $00df24
T3CL = $00df66
T3CH = $00df67
VERA_L1_MAPBASE = 57109
delay = $c0ffee
delay = $c000a8
VERA_L0_HSCROLL_L= 57104
VERA_L0_HSCROLL_H= 57105
T6LH = $00df5d
@ -158,7 +158,6 @@ empty_irq_handler= $008100
VERA_TILESIZE16x8= $01
VERA_AUDIO_CTRL = 57115
VERA_DC_HSTART = 57097
VERA_L_BITMAP = $04
DISABLED = 0
ARTD2 = $00df75
ARTD3 = $00df77
@ -166,6 +165,7 @@ ARTD0 = $00df71
ARTD1 = $00df73
T1LH = $00df53
VERA_SPRITE_ATTR_BASE= $1fc00
T0CL = $00df60
BCR = $00df40
VERA_L1_VSCROLL_L= 57113
VERA_L1_VSCROLL_H= 57114

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sentinel65x-firmware-512k.bin Normal file
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2
src/boot.s
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@ -1,4 +1,3 @@
.section code
.section boot
.logical $008000
@ -37,4 +36,3 @@ w65c265s_init .proc
.endlogical
.endsection boot
.endsection code

6
src/irq.s
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@ -1,5 +1,3 @@
.section code
.section irq_handlers
.logical $008100
@ -67,6 +65,6 @@ irq_exit .proc
.addr nmi_handler ; NMI (Native Mode)
.addr empty_irq_handler ; RESERVED
.addr empty_irq_handler ; RESERVED
.fill 64, $EA
.endlogical
.endsection irq_vectors
.endsection code
.endsection irq_vectors

6
src/led.s
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@ -1,4 +1,4 @@
.section code
.section kernel
led_init .proc
.save_registers
@ -58,7 +58,7 @@ led_green_off .proc
.short_a
.long_i
lda #%00100000
lda #%00100000code
trb PD5
.restore_registers
@ -137,4 +137,4 @@ led_blink_blue .proc
rtl
.endproc
.endsection code
.endsection kernel

17
src/main.s
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@ -1,6 +1,7 @@
.section code
main .proc
.section kernel
main .proc
.page $FFFF
.short_a
.long_i
@ -18,20 +19,24 @@ main .proc
.fclk_select
jsl led_blink_red
jsl led_init
jsl led_blink_red
; Initialize the VERA
jsl vera_init
idle:
wai
bra idle
.endpage
.endproc
; Delay X times.
delay .proc
.save_registers
.short_a
.long_i
phy
loop_x
@ -44,8 +49,8 @@ loop_y
dex
bne loop_x
ply
.restore_registers
rtl
.endproc
.endsection
.endsection kernel

36
src/memory.s
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@ -22,21 +22,49 @@
.dsection zp
* = $C00000
.dsection code
.section code
.dsection kernel
.fill $C08000 - *, $EA
* = $C08000
.dsection boot
.cerror * > $C08100
.fill $C08100 - *, $EA
* = $C08100
.dsection irq_handlers
.cerror * > $C08200
.fill $C0FF80 - *, $EA
* = $C0FF80
.dsection irq_vectors
.cerror * > $C10000
.endsection code
.fill $C80000 - *, $EA
.fill $C80000 - *, $EA
* = $C10000
.dsection code1
.cerror * > $C20000
* = $C20000
.dsection code2
.cerror * > $C30000
* = $C30000
.dsection code3
.cerror * > $C40000
* = $C40000
.dsection code4
.cerror * > $C50000
* = $C50000
.dsection code5
.cerror * > $C60000
* = $C60000
.dsection code6
.cerror * > $C70000
* = $C70000
.dsection code7
.cerror * > $C80000

4
src/vera.s
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@ -1,4 +1,4 @@
.section code
.section kernel
vera_init .proc
pha
@ -7,4 +7,4 @@ vera_init .proc
rtl
.endproc
.endsection
.endsection kernel