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Refactor
This commit is contained in:
stid
parent
391ff1d7a3
commit
6af62c2859
121
core/boot.asm
Normal file
121
core/boot.asm
Normal file
@ -0,0 +1,121 @@
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#importonce
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#import "../core/pseudo.asm"
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#import "../core/module.asm"
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#import "../core/system.asm"
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.filenamespace Boot
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.const INIT_IRQ = $fda3
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.const INIT_MEM = $fd50
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.const INIT_IO = $fd15
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.const INIT_VID = $ff5b
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.const SCRN_CTRL = $d016
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.const MAIN_COLOR = $03
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.const BORDER_COLOR = $05
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.const INTERRUPT_CTRL = $dc0d
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.const NMSK_INTERRUPT_CTRL = $dd0d
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.const TIMER_A_CTRL = $DC0E
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* = * "Boot Core"
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// ========================================================
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// ////// METHODS /////////////////////////////////////////
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// ========================================================
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// --------------------------------------------------------
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// coldstart -
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// Power ON initialization
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// --------------------------------------------------------
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coldStart: {
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ldx #$FF
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sei
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txs
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cld
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stx SCRN_CTRL // Set Screen Bits
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jsr INIT_IRQ // Prepare IRQ
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jsr INIT_MEM // Init memory. Rewrite this routine to speed up boot process.
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jsr INIT_IO // Init I/O
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jsr INIT_VID // Init video
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cli
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jmp warmStart
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}
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// --------------------------------------------------------
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// warmStart -
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// Restore pressed or program restart after first Power ON
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// --------------------------------------------------------
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warmStart: {
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sei
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lda #$7f
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sta INTERRUPT_CTRL // disable timer interrupts which can be generated by the two CIA chips
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sta NMSK_INTERRUPT_CTRL // the kernal uses such an interrupt to flash the cursor and scan the keyboard, so we better
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// stop it.
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lda INTERRUPT_CTRL // by reading this two registers we negate any pending CIA irqs.
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lda NMSK_INTERRUPT_CTRL // if we don't do this, a pending CIA irq might occur after we finish setting up our irq.
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// we don't want that to happen.
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// Disable 0e TIMER
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lda #254
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and TIMER_A_CTRL
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sta TIMER_A_CTRL
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ScreenClearColorRam($00)
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ScreenClear(' ')
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ScreenSetBorderColor(BORDER_COLOR)
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ScreenSetBackgroundColor(MAIN_COLOR)
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cli
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jsr Boot.init // Init Self as Module
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jsr System.start // Start Core System
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// If System Exit - reboot
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// TODO: We can print a message here
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// and delay a bit...
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jmp warmStart
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}
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// --------------------------------------------------------
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// init -
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// Module Init.
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// --------------------------------------------------------
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init: {
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// Sequence matter
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jsr Module.init
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jsr Pseudo.init
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jsr System.init
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rts
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}
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// --------------------------------------------------------
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// toDebug -
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// Print debug info.
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// --------------------------------------------------------
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toDebug: {
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ModuleToDebug(module_type, module_name, version)
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rts
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}
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// ========================================================
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// ////// DATA ////////////////////////////////////////////
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// ========================================================
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* = * "Boot Core Data"
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module_type: .byte Module.TYPES.CORE
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version: .byte 1, 0, 0
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.encoding "screencode_mixed"
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module_name:
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.text "boot"
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.byte 0
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#import "../core/mem_map.asm"
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@ -1,32 +1,37 @@
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.filenamespace MemMap
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#importonce
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.const SHELL_BUGGER_ADDR = $3000
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.const XSTACK_ADDRESS = $3100
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.const YSTACK_ADDRESS = $3200
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.const SHELL_BUFFER_ADDR = $1000 // 256 bytes (3000-30FF)
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.const XSTACK_ADDRESS = $1100 // 256 bytes (3100-31FF)
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.const YSTACK_ADDRESS = $1200 // 256 bytes (3200-32FF)
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.const KEYB_RAM_CODE = $1300 // Safe to use > $1400
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*=$2 "ZERO PAGE" virtual
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.namespace CORE {
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yStackOffset: .byte 0
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xStackOffset: .byte 0
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// PHx/PLx pseudo commands
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yStackOffset: .byte 0 // Y Stack offset used by phy/ply
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xStackOffset: .byte 0 // X Stack offset used by phx/plx
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.label XStack = XSTACK_ADDRESS // 256 bytes phy/ply stack buffer pointer
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.label YStack = YSTACK_ADDRESS // 256 bytes phx/plx stack buffer pointer
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}
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.label XStack = XSTACK_ADDRESS // 256 bytes
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.label YStack = YSTACK_ADDRESS // 256 bytes
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.namespace PRINT {
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TempStringPointer: .word 0 // Pointer to string address as it get printend to screen
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}
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.namespace SCREEN {
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TempVideoPointer: .word 0
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TempStringPointer: .word 0
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CursorCol: .byte 0
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CursorRow: .byte 0
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ScrollUpTriggered: .byte 0
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TempVideoPointer: .word 0 // Pointer to video mem used to target char pos
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CursorCol: .byte 0 // Actual cursor column position
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CursorRow: .byte 0 // Actual cursor row position
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ScrollUpTriggered: .byte 0 // Set to 1 if a scroll up was triggered
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}
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.namespace MATH {
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factor1: .byte 0
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factor2: .byte 0
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result: .word 0
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factor1: .byte 0 // Factor 1 used in MUL ops
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factor2: .byte 0 // Factor 2 used in MUL ops
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result: .word 0 // 16 Bit math operation result
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}
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.namespace KEYBOARD {
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@ -40,6 +45,8 @@
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SYS_Delay: .byte 0
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SYS_Kount: .byte 0
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SYS_Lstshf: .byte 0
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.label keybRamCode = KEYB_RAM_CODE
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}
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.namespace MEMORY {
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@ -63,7 +70,7 @@
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XAML: .byte 0
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XAMH: .byte 0
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.label buffer = SHELL_BUGGER_ADDR // 256 bytes
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.label buffer = SHELL_BUFFER_ADDR // 256 bytes
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}
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@ -1,5 +1,5 @@
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#importonce
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#import "print.asm"
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#import "../libs/print.asm"
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// ========================================================
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// ////// MACROS //////////////////////////////////////////
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@ -101,13 +101,13 @@ printVersion: {
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sta MemMap.MODULE.versionPtr
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stx MemMap.MODULE.versionPtr+1
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ldy #0
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jsr printNext
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jsr printNext // Major
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lda #'.'
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PrintChar()
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jsr printNext
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jsr printNext // Minor
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lda #'.'
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PrintChar()
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jsr printNext
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jsr printNext // Revision
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rts
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printNext:
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lda (MemMap.MODULE.versionPtr), y
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@ -154,8 +154,8 @@ printType: {
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// ========================================================
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* = * "Module Lib Data"
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module_type: .byte Module.TYPES.LIB
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version: .byte 1, 1, 0
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module_type: .byte Module.TYPES.CORE
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version: .byte 1, 2, 0
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.encoding "screencode_mixed"
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module_name:
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@ -1,6 +1,6 @@
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#importonce
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#import "../core/mem_map.asm"
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#import "../libs/module.asm"
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#import "../core/module.asm"
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// ========================================================
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@ -1,54 +1,79 @@
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#importonce
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#import "../core/pseudo.asm"
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#import "../core/module.asm"
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#import "../core/boot.asm"
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#import "../libs/memory.asm"
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#import "../libs/math.asm"
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#import "../libs/print.asm"
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#import "../core/keyboard.asm"
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#import "../core/screen.asm"
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#import "../core/pseudo.asm"
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#import "../libs/module.asm"
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#import "../libs/keyboard.asm"
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#import "../libs/screen.asm"
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#import "../progs/woz_shell.asm"
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.filenamespace Init
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.filenamespace System
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* = * "Init Core"
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* = * "System Core"
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// ========================================================
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// ////// METHODS /////////////////////////////////////////
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// ========================================================
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// --------------------------------------------------------
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// start -
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// System Start
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// --------------------------------------------------------
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start: {
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// Start Main Program
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jsr WozShell.start
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// TODO: Program exited here
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// We can ask program to set a ram param and let us know
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// if exit is due to a sort of error.
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rts
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// TODO: Can we use Timed Interrupt to execute small system recurring tasks?
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}
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// --------------------------------------------------------
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// init -
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// Module Init.
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// --------------------------------------------------------
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init: {
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// Init All Modules
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jsr Pseudo.init
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jsr Module.init
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// TODO: How we can make this dynamic?
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jsr Memory.init
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jsr Math.init
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jsr Print.init
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jsr Keyboard.init
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jsr Screen.init
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jsr Print.init
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jsr Math.init
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jsr Keyboard.init
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jsr WozShell.init
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rts
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}
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// --------------------------------------------------------
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// toDebug -
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// Print debug info.
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// --------------------------------------------------------
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toDebug: {
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// Debug All Modules
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jsr Boot.toDebug
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ModuleToDebug(module_type, module_name, version)
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jsr Keyboard.toDebug
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jsr Screen.toDebug
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jsr Pseudo.toDebug
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jsr Module.toDebug
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jsr Keyboard.toDebug
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jsr Math.toDebug
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jsr Memory.toDebug
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jsr Print.toDebug
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jsr Math.toDebug
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jsr Screen.toDebug
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jsr WozShell.toDebug
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rts
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}
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@ -58,13 +83,13 @@ toDebug: {
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// ////// DATA ////////////////////////////////////////////
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// ========================================================
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* = * "Init Core Data"
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* = * "System Core Data"
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module_type: .byte Module.TYPES.CORE
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version: .byte 1, 1, 0
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version: .byte 1, 0, 0
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.encoding "screencode_mixed"
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module_name:
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.text "init"
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.text "system"
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.byte 0
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@ -1,7 +1,7 @@
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#importonce
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#import "../libs/module.asm"
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#import "../core/module.asm"
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#import "../libs/memory.asm"
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#import "../libs/module.asm"
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#import "../core/module.asm"
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.filenamespace Keyboard
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@ -18,7 +18,11 @@
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.const cSYS_DelayValue = 32
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.const cKeybW_Row1 = $FE
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* = * "Keyboard Module"
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.const RASTER_LINE = $d012
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* = * "Keyboard Lib"
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// ========================================================
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// ////// METHODS ROM /////////////////////////////////////
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@ -49,7 +53,26 @@ init: {
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sta MemMap.KEYBOARD.SYS_Xmax
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// Clone self altering Methods to RAM
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MemoryClone(cloneStart, cloneEnd, $1000)
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MemoryClone(cloneStart, cloneEnd, MemMap.KEYBOARD.keybRamCode)
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rts
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}
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// --------------------------------------------------------
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// waitForKey -
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// Loop until a new key is available.
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//
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// Result:
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// A = Pressed key code
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// --------------------------------------------------------
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waitForKey: {
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loop:
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lda #$FF
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raster:
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cmp RASTER_LINE // Raster done?
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bne raster
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jsr Keyboard.ReadKeyb
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jsr Keyboard.GetKey
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bcs loop
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rts
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}
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@ -63,7 +86,7 @@ toDebug: {
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}
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// ========================================================
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// ////// KEYMAPPING RON //////////////////////////////////
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// ////// KEYMAPPING ROM //////////////////////////////////
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// ========================================================
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KeyMapVec:
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@ -144,7 +167,7 @@ cloneStart:
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// bcs loop
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// // Key here is in A
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// --------------------------------------------------------
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.pseudopc $1000 {
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.pseudopc MemMap.KEYBOARD.keybRamCode {
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ReadKeyb: {
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lda #<KeyMap1
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sta @SMC_Vec
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@ -333,8 +356,8 @@ cloneEnd:
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// ////// DATA ////////////////////////////////////////////
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// ========================================================
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* = * "Keyboard Module Data"
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module_type: .byte Module.TYPES.CORE
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* = * "Keyboard Lib Data"
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module_type: .byte Module.TYPES.LIB
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version: .byte 1, 1, 0
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.encoding "screencode_mixed"
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@ -1,12 +1,12 @@
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#importonce
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#import "../libs/module.asm"
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#import "../libs/module.asm"
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#import "../core/module.asm"
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#import "../core/module.asm"
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.filenamespace Math
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* = * "Math Lin"
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* = * "Math Lib"
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// ========================================================
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// ////// METHODS /////////////////////////////////////////
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@ -1,7 +1,7 @@
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#importonce
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#import "../libs/module.asm"
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#import "../libs/module.asm"
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#import "../core/module.asm"
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#import "../core/module.asm"
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#import "../core/pseudo.asm"
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@ -223,5 +223,5 @@ module_name:
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#import "../core/mem_map.asm"
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#import "../core/screen.asm"
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#import "../libs/screen.asm"
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@ -1,8 +1,8 @@
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#importonce
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#import "math.asm"
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#import "../core/screen.asm"
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#import "../libs/module.asm"
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#import "../libs/screen.asm"
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#import "../core/module.asm"
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// ========================================================
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@ -75,10 +75,10 @@ printPetChar: {
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// --------------------------------------------------------
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printLine: {
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ldy #$00
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sta MemMap.SCREEN.TempStringPointer
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stx MemMap.SCREEN.TempStringPointer+1
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sta MemMap.PRINT.TempStringPointer
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stx MemMap.PRINT.TempStringPointer+1
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printLoop:
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lda (MemMap.SCREEN.TempStringPointer), y
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lda (MemMap.PRINT.TempStringPointer), y
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cmp #0
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beq exit
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jsr Screen.sendChar
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@ -1,7 +1,7 @@
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#importonce
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#import "../libs/math.asm"
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#import "../libs/memory.asm"
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#import "../libs/module.asm"
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#import "../core/module.asm"
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#import "../core/pseudo.asm"
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@ -10,7 +10,7 @@
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// ========================================================
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* = * "Screen Module"
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* = * "Screen Lib"
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// --------------------------------------------------------
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// ScreenClearChunks -
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@ -292,8 +292,8 @@ screenNewLine: {
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rts
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}
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* = * "Screen Module Data"
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module_type: .byte Module.TYPES.CORE
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* = * "Screen Lib Data"
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module_type: .byte Module.TYPES.LIB
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version: .byte 1, 0, 0
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module_name:
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.text "screen"
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117
main.asm
117
main.asm
@ -1,124 +1,17 @@
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.cpu _6502
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//BasicUpstart2(start)
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//BasicUpstart2(Boot.warmStart)
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#import "./core/mem_map.asm"
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* = $8000 "Main"
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//------------------------------------------------------------------------------------
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.const MAIN_COLOR = $03
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.const BORDER_COLOR = $05
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.const CR = $0d
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.const BS = $14
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.const ADV_CHAR = '@'
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.const INIT_IRQ = $fda3
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.const INIT_MEM = $fd50
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.const INIT_IO = $fd15
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.const INIT_VID = $ff5b
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.const SCRN_CTRL = $d016
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.const RASTER_LINE = $d012
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.const INTERRUPT_CTRL = $dc0d
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.const NMSK_INTERRUPT_CTRL = $dd0d
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.const TIMER_A_CTRL = $DC0E
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.word Boot.coldStart // coldstart vector
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.word Boot.warmStart // start vector
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.byte $C3,$C2,$CD,'8','0' //..CBM80..
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//------------------------------------------------------------------------------------
|
||||
.word coldstart // coldstart vector
|
||||
.word start // start vector
|
||||
.byte $C3,$C2,$CD,'8','0' //..CBM80..
|
||||
#import "./core/boot.asm"
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
#import "./core/init.asm"
|
||||
#import "./libs/print.asm"
|
||||
#import "./core/screen.asm"
|
||||
#import "./core/keyboard.asm"
|
||||
#import "./progs/woz_shell.asm"
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
// Main Program
|
||||
//------------------------------------------------------------------------------------
|
||||
* = * "Kernel Start"
|
||||
|
||||
coldstart: {
|
||||
ldx #$FF
|
||||
sei
|
||||
txs
|
||||
cld
|
||||
stx SCRN_CTRL // Set Screen Bits
|
||||
jsr INIT_IRQ // Prepare IRQ
|
||||
jsr INIT_MEM // Init memory. Rewrite this routine to speed up boot process.
|
||||
jsr INIT_IO // Init I/O
|
||||
jsr INIT_VID // Init video
|
||||
cli
|
||||
}
|
||||
|
||||
* = * "App Start"
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
start: {
|
||||
jsr initApp;
|
||||
jsr WozShell.start
|
||||
loop:
|
||||
lda #$FF
|
||||
Raster:
|
||||
cmp RASTER_LINE // Raster done?
|
||||
bne Raster
|
||||
jsr Keyboard.ReadKeyb
|
||||
jsr Keyboard.GetKey
|
||||
bcs loop
|
||||
|
||||
cmp #CR
|
||||
beq execute
|
||||
|
||||
cmp #BS
|
||||
beq backspace
|
||||
inputChar:
|
||||
jsr WozShell.push // Char in Buffer
|
||||
PrintChar()
|
||||
jmp loop
|
||||
backspace:
|
||||
jsr WozShell.backspace
|
||||
PrintChar()
|
||||
jmp loop
|
||||
|
||||
execute:
|
||||
jsr WozShell.push // CR in Buffer
|
||||
jsr Screen.screenNewLine
|
||||
jsr WozShell.exec
|
||||
jsr Screen.screenNewLine
|
||||
jsr WozShell.clear
|
||||
jmp loop
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
initApp: {
|
||||
|
||||
sei
|
||||
lda #$7f
|
||||
sta INTERRUPT_CTRL // disable timer interrupts which can be generated by the two CIA chips
|
||||
sta NMSK_INTERRUPT_CTRL // the kernal uses such an interrupt to flash the cursor and scan the keyboard, so we better
|
||||
// stop it.
|
||||
|
||||
lda INTERRUPT_CTRL // by reading this two registers we negate any pending CIA irqs.
|
||||
lda NMSK_INTERRUPT_CTRL // if we don't do this, a pending CIA irq might occur after we finish setting up our irq.
|
||||
// we don't want that to happen.
|
||||
|
||||
// Disable 0e TIMER
|
||||
lda #254
|
||||
and TIMER_A_CTRL
|
||||
sta TIMER_A_CTRL
|
||||
|
||||
ScreenClearColorRam($00)
|
||||
ScreenClear(' ')
|
||||
ScreenSetBorderColor(BORDER_COLOR)
|
||||
ScreenSetBackgroundColor(MAIN_COLOR)
|
||||
jsr Init.init
|
||||
cli
|
||||
rts
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
* = * "Kernel Data"
|
||||
|
||||
* = $9FFF "EpromFiller"
|
||||
.byte 0
|
||||
|
||||
|
||||
@ -1,8 +1,9 @@
|
||||
#importonce
|
||||
#import "../libs/print.asm"
|
||||
#import "../libs/module.asm"
|
||||
#import "../core/init.asm"
|
||||
#import "../core/pseudo.asm"
|
||||
#import "../core/system.asm"
|
||||
#import "../libs/print.asm"
|
||||
#import "../core/module.asm"
|
||||
#import "../libs/keyboard.asm"
|
||||
|
||||
.filenamespace WozShell
|
||||
|
||||
@ -12,9 +13,9 @@
|
||||
// ////// CONSTANTS ///////////////////////////////////////
|
||||
// ========================================================
|
||||
|
||||
.const CR = $0d
|
||||
.const R = $52
|
||||
|
||||
.const R = $52
|
||||
.const CR = $0d
|
||||
.const BS = $14
|
||||
|
||||
// ========================================================
|
||||
// ////// METHODS /////////////////////////////////////////
|
||||
@ -32,7 +33,34 @@ start: {
|
||||
PrintLine(lineString)
|
||||
PrintLine(aboutString)
|
||||
PrintLine(lineString)
|
||||
rts
|
||||
jmp WozShell.loop
|
||||
}
|
||||
|
||||
//------------------------------------------------------------------------------------
|
||||
loop: {
|
||||
jsr Keyboard.waitForKey
|
||||
|
||||
cmp #CR
|
||||
beq execute
|
||||
|
||||
cmp #BS
|
||||
beq backspace
|
||||
inputChar:
|
||||
jsr WozShell.push // Char in Buffer
|
||||
PrintChar()
|
||||
jmp loop
|
||||
backspace:
|
||||
jsr WozShell.backspace
|
||||
PrintChar()
|
||||
jmp loop
|
||||
|
||||
execute:
|
||||
jsr WozShell.push // CR in Buffer
|
||||
jsr Screen.screenNewLine
|
||||
jsr WozShell.exec
|
||||
jsr Screen.screenNewLine
|
||||
jsr WozShell.clear
|
||||
jmp loop
|
||||
}
|
||||
|
||||
toDebug: {
|
||||
@ -81,7 +109,7 @@ stidExec: {
|
||||
cmp #$52 // R
|
||||
beq cmdReset
|
||||
|
||||
cmp #$56 // Z
|
||||
cmp #$56 // V
|
||||
beq cmdZeroPageInfo
|
||||
done:
|
||||
rts
|
||||
@ -93,7 +121,7 @@ stidExec: {
|
||||
jmp $fce2 // SYS 64738
|
||||
|
||||
cmdZeroPageInfo:
|
||||
jsr Init.toDebug
|
||||
jsr System.toDebug
|
||||
jmp done
|
||||
}
|
||||
|
||||
@ -237,13 +265,13 @@ wozExec: {
|
||||
// -------------------------------------------------------------------------
|
||||
|
||||
PRBYTE:
|
||||
pha // Save A for LSD
|
||||
pha // Save A for LSD
|
||||
lsr
|
||||
lsr
|
||||
lsr // MSD to LSD position
|
||||
lsr
|
||||
jsr PRHEX // Output hex digit
|
||||
pla // Restore A
|
||||
jsr PRHEX // Output hex digit
|
||||
pla // Restore A
|
||||
|
||||
// Fall through to print hex routine
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user