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https://github.com/irmen/prog8.git
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58 lines
1.9 KiB
Lua
58 lines
1.9 KiB
Lua
; Emulator debug interface.
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; Docs: https://github.com/X16Community/x16-emulator#emulator-io-registers
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emudbg {
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const uword EMU_BASE = $9fb0
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&ubyte EMU_DBG_HOTKEY_ENABLED = EMU_BASE + 0
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&ubyte EMU_LOG_VIDEO = EMU_BASE + 1
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&ubyte EMU_LOG_KEYBOARD = EMU_BASE + 2
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&ubyte EMU_ECHO_MODE = EMU_BASE + 3
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&ubyte EMU_SAVE_ON_EXIT = EMU_BASE + 4
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&ubyte EMU_RECORD_GIF = EMU_BASE + 5
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&ubyte EMU_RECORD_WAV = EMU_BASE + 6
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&ubyte EMU_CMDKEYS_DISABLED = EMU_BASE + 7
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&ubyte EMU_CPUCLK_L = EMU_BASE + 8 ; write: reset cpu clock to 0
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&ubyte EMU_CPUCLK_M = EMU_BASE + 9 ; write: outputs "User debug 1: $xx"
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&ubyte EMU_CPUCLK_H = EMU_BASE + 10 ; write: outputs "User debug 2: $xx"
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&ubyte EMU_CPUCLK_U = EMU_BASE + 11 ; write: outputs as character to console
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; 12 is unused for now
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&ubyte EMU_KEYMAP = EMU_BASE + 13
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&ubyte EMU_EMU_DETECT1 = EMU_BASE + 14
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&ubyte EMU_EMU_DETECT2 = EMU_BASE + 15
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sub is_emulator() -> bool {
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; Test for emulator presence.
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; It is recommended to only use the debug registers if this returns true.
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return EMU_EMU_DETECT1=='1' and EMU_EMU_DETECT2=='6'
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}
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sub console_write(str isoString) {
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; note: make sure the text is in Iso encoding.
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if is_emulator() {
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cx16.r1 = isoString
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while @(cx16.r1) {
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EMU_CPUCLK_U = @(cx16.r1)
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cx16.r1++
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}
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}
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}
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sub console_chrout(ubyte char) {
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; note: make sure the character is in Iso encoding.
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if is_emulator()
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EMU_CPUCLK_U = char
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}
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sub console_value1(ubyte value) {
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if is_emulator()
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EMU_CPUCLK_M = value
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}
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sub console_value2(ubyte value) {
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if is_emulator()
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EMU_CPUCLK_H = value
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}
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}
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