mirror of https://github.com/stid/woz64.git
96 lines
2.6 KiB
NASM
96 lines
2.6 KiB
NASM
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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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#import "../hardware/cia.asm"
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#import "../hardware/sid.asm"
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#import "../hardware/mc6502.asm"
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#import "../hardware/ram.asm"
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#import "../hardware/vic.asm"
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.filenamespace Boot
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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 Vic.CR2 // Set Video Bits
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jsr Cia.init
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jsr Sid.init
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jsr MC6502.init
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jsr Ram.init // Init memory.
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jsr Vic.init // 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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jsr Boot.init // Init Self as Module
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cli
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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 "../hardware/mem_map.asm"
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